15 Best Hygrometer to Monitor Indoor Humidity with Buying Guide

Don’t most of us love summertime? Summer is one of the best seasons according to me, aside from a bunch of cool activities we can indulge in, summer naturally makes you feel so relaxed and optimistic, everything is alive and lively. Besides the sun is on its best and brightest behavior!

A little warm weather never hurt anybody but don’t you hate it when you start feeling sticky and moist? Isn’t it a pain when the air seems thick, heavy, or dense and gets all frizzy while your clothes stick to you? All this is because of the humidity around you. In this article, we explained more about humidity and listed the best hygrometers to monitor the humidity levels in your home.

best hygrometer review

What is Humidity?

Humidity can be considered as the amount of 'wetness' present in air content. Specific humidity is the mass of water vapor present in one kg of air while relative humidity is the amount of water vapor in the air compared to the maximum amount of vapor possible to be retained at that temperature.

Humidity is caused by condensation and evaporation. In humid weather, the air is saturated with water vapor already, which actually slows the process of evaporation, which means the body retains heat longer. In other words, the sweat stays on your body longer which adds to feelings of discomfort and not help you to cool down. It’s that uncomfortable sticky feeling.

Humidity has been linked with sleepiness, lethargy, lack of observation, attention problems, irritability, heatstroke and exhaustion. High humidity can also cause moisture stains, swelling, molds, and damage in the structural integrity of buildings. Meanwhile, low humidity dries out and damages furniture. It can also cause dry, itching, chapped lips and skin. Thus it is necessary to maintain the right level of humidity.

What is a Hygrometer?

A hygrometer is a device that can measure or monitor the humidity of the air. It is composed of a substance that attracts water vapor or moisture and changes itself depending on how hydrated it is. They are commonly used in industrial areas, greenhouses, military capacities, and other situations where humidity control is required.

Owning a hygrometer becomes an essential thing these days. But purchasing the best hygrometer is the real headache for everyone. So we spent a lot of time in analyzing several hygrometers in the market and listed you the best hygrometer for purchase!

Product Image
Editor's Choice
ThermoPro TP63B Waterproof Indoor Outdoor Thermometer Digital Wireless Hygrometer Humidity Gauge...
SMARTRO SC42 Professional Digital Hygrometer Indoor Thermometer Room Humidity Gauge & Pro Accuracy...
Best Price
AcuRite 00613 Digital Hygrometer & Indoor Thermometer Pre-Calibrated Humidity Gauge, 3" H x 2.5" W x...
ThermoPro TP67A Waterproof Weather Station Wireless Indoor Outdoor Thermometer Digital Hygrometer...
La Crosse Technology WT-137U Digital Thermometer/Hygrometer with Comfort Meter
Name
ThermoPro TP63A
SMARTRO SC42
AcuRite 00613
ThermoPro TP67
La Crosse Technology WT-137U
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Battery
Battery
Battery
Battery
Editor's Rating
4.8 out of 5.0 stars
4.5 out of 5.0 stars
4.4 out of 5.0 stars
4.4 out of 5.0 stars
4.0 out of 5.0 stars
Prime Benefits
Editor's Choice
Product Image
ThermoPro TP63B Waterproof Indoor Outdoor Thermometer Digital Wireless Hygrometer Humidity Gauge...
Name
ThermoPro TP63A
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Editor's Rating
4.8 out of 5.0 stars
Prime Benefits
Price
Product Image
SMARTRO SC42 Professional Digital Hygrometer Indoor Thermometer Room Humidity Gauge & Pro Accuracy...
Name
SMARTRO SC42
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Editor's Rating
4.5 out of 5.0 stars
Prime Benefits
Price
Best Price
Product Image
AcuRite 00613 Digital Hygrometer & Indoor Thermometer Pre-Calibrated Humidity Gauge, 3" H x 2.5" W x...
Name
AcuRite 00613
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Editor's Rating
4.4 out of 5.0 stars
Prime Benefits
Price
Product Image
ThermoPro TP67A Waterproof Weather Station Wireless Indoor Outdoor Thermometer Digital Hygrometer...
Name
ThermoPro TP67
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Editor's Rating
4.4 out of 5.0 stars
Prime Benefits
Price
Product Image
La Crosse Technology WT-137U Digital Thermometer/Hygrometer with Comfort Meter
Name
La Crosse Technology WT-137U
Indoor Humidity
Outdoor Humidity
Power Source
Battery
Editor's Rating
4.0 out of 5.0 stars
Prime Benefits
Price

Best Digital Hygrometer Reviews in 2021

1. ThermoPro TP63A - Best Hygrometer for Precision

Best Hygrometer for Precision

Review

Weatherproof
Accuracy
Battery Life
Easy to Read
Value for Money

Overall Rating - 4.75/5

ThermoPro TP63A humidity monitor provides highly accurate and precise readings about the indoor or outdoor humidity levels, it is one of the best hygrometer in the market. Apart from a hygrometer, a thermometer is also included which measures the temperature inside and outside. These readings of indoor and outdoor temperature and humidity are all displayed simultaneously at once on the display unit.

Humidity meter works completely by wireless transmissions through a range of 200 feet away, leading to less hassle, irritation and problems due to the absence of wires and cables. It can link up with nearly three different humidity sensors to observe the readings in different locations. The sleek and compact design includes the presence of a tabletop stand, wall mount, as well as a magnetic back design making it simple and easy to mount anywhere we want.

The highest and lowest measurements are stored on a daily basis for you to access. Trend arrows are also integrated into the display unit, letting you know whether the temperature and humidity are rising or falling, allowing you to make required adjustments. The lithium battery of this humidity gauge is rechargeable.

The humidity sensor is completely sealed, which means you can use it anytime regardless of the weather, as it can withstand cold and severe weather with no problems in transmissions. It is smooth even when the weather falls to sub-zero conditions in rain or snow. The rechargeable battery can withstand very cold and low temperatures till -31°F.

Final Words:

This humidity gauge is manufactured by one of the leading thermometer brands in the world, which means you can trust their products without a second thought. They also ensure their products are continually improved by following customer suggestions, requests and feedback.

Customer support is hassle-free and extremely user friendly, always ready to help. TP63A humidity meter also comes with a three-year warranty. The fact that it can transmit during rain or snow doesn’t hurt either. The amalgamation of these facts makes it the best hygrometer to rely on without a second thought.

Features

  • Paired with up to 3 Different Sensors
  • Weather and Cold Resistant
  • Penetration Power of 433 MMHz
  • Completely Sealed Sensor
  • Rechargeable Lithium Battery Technology

Pros

  • Presence of Backlit Touchscreen
  • Accurate and Error-free Readings
  • Multiple Mounting Options
  • Feedback Based Design
  • Cold Resistant and Waterproof

Cons

  • Does Not Support IFTT or Alexa

2. SMARTRO SC42 - Best Digital Hygrometer for Accuracy

Best Digital Hygrometer for Humidor

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4.5/5

SMARTRO SC42 hygrometer is powered by professional-grade and built-in industrial-grade humdity sensors. These sensors are sensitive enough to detect the slightest of subtle humidity changes immediately. It refreshes the displayed data every 10 seconds, ensuring you get immediate access to the measurements. You can interchange between °F or ° C to express data by the touch of a button.

A comfort humidity indicator icon is also present to let you know if the humidity levels are in the preferred range in order to control your environmental factors. The display is an LCD screen which features a backlight that can be easily enabled by just pressing the top part gently. A multitude of placement options are available, and you can place the sensor based on your convenience.

The ergonomic design has a retractable stand, two powerful magnets, and a wall-mount hole for multiple mounting options. This humidity meter is perfect for keeping the family's living conditions at an optimum. The accurate humidity sensors ensure good sleep, avoiding headaches, and improves general well-being. These functions make this device the most accurate hygrometer among the crowd.

SMARTRO SC42 digital tester is suitable for children's rooms, nurseries, schools, greenhouses, offices, wine cellars, and other places where temperature and humidity need to be maintained. According to this humidity sensor, low humidity has an RH of less than 30% while high humidity has an RH greater than 50%. The normal humidity range is between these two values. A colour scheme on display lets you know which range the humidity is in.

Final Words:

Accuracy and precision are the first things that come to mind while describing this humidity meter. The fact that seals the deal is that the humidity gauge is made up of high precision digital sensors. It has achieved a calibration certificate from the aerospace institute for metrology and measurement technology. It showed accurate results in various temperature and humidity tests. If a highly accurate hygrometer is what you desire, look no further.

Features

  • Records Lowest and Highest Values
  • Trend Arrow Shows Rise or Fall
  • Refreshes Every 10 Second
  • Three Colour Scheme to Indicate Humidity Range

Pros

  • Presence of Comfort Level Indicator
  • Supports Health and Sleep
  • Backlight LCD Display
  • Various Mounting Choices
  • Provides Accurate Readings

Cons

  • Need of Manual Calibration

3. ThermoPro TP49 - Best Indoor Humidity Monitor for Extended Battery Life

Best Indoor Humidity Monitor for Extended Battery Life

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4.4/5

ThermoPro TP49 is a wireless hygrometer which is used to observe indoor humidity readings. It consists of both Thermometer and Hygrometer. The temperature and humidity recordings together help you understand the climactic conditions of your surroundings. There is a comfort humidity indicator to show the levels of humidity present inside. It lets you know if the Humidity is too dry, too wet or just right.

Knowing the humidity levels helps you plan on controlling it in case the humidity level is out of the preferred range. We can set it in °F or °C based on our preference. The power consumption is incredibly low, and the battery really lasts long.

The display is compact and ergonomic. The digits are quite large and can be read easily from a distance as well. The price is relatively reasonable for the wide array of features it offers. It is manufactured by a trustworthy brand and has a 3-year warranty as well.

You can improve your family's health and lifestyle by maintaining and monitoring your air quality, thereby keeping dry skin, allergies, asthma, moulds, colds and other ailments at a distance.

The comfort indicator is the most important aspect of this best indoor humidity meter. It is indicated by a face, like being happy under normal conditions and alarming at high or low conditions. If the Humidity is below 30%, then the comfort indicator shows that the conditions are dry. If the Humidity is above 60%, then it is high. Intermediate Humidity is deemed normal by the comfort indicator.

Final Words:

Are you irritated by the thought of replacing batteries frequently, every few weeks? We understand your trouble. If that's what is worrying you, then this device is the best indoor humidity monitor that you can invest in as it has ultra-low power consumption system. The battery lasts incredibly long for nearly 18 months, which making it an amazing choice.

Features

  • Compact Display with Large Digits
  • Feedback Based Design
  • Ultra-low Power Consumption
  • °C/°F Selector

Pros

  • Easy to Read at Any Angle
  • Reliable and Simple
  • Highly accurate
  • 10-Second Refresh

Cons

  • No Alarm Function

4. AcuRite 00613 - Best Hygrometer Under Budget

Best Hygrometer Under Budget

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4.4/5

AcuRite 00613 hygrometer is essential in maintaining proper humidity conditions and quality of air. It contains a digital temperature sensor and thermometer as well to help in giving you a complete picture of your environmental conditions. It is manufactured by an American company.

The display is large, with big digits, good contrast and viewing angles. The display of this wireless hygrometer shows both temperature and humidity readings simultaneously to let you know all the required information at a glance. You can ensure that your surroundings are healthier with the best quality air by means of this device. You can make sure that the humidity is in the required range and improve your health.

Final Words:

The sleek ergonomic design makes this device the best hygrometer under budget. It allows you to mount it on a variety of places based on your convenience. It can be placed on a stand, hung on a wall or stuck with magnets. A major vantage point is a clip. It can be clipped anywhere, like a backpack. Due to all of these factors, it is incredibly easy to carry and place this unit, proving immensely useful.

Features

  • Humidity Expressed as Percentage Values(%RH)
  • Humidity Level Icon
  • Records Highest and Lowest Values
  • Magnetized Back

Pros

  • Displays Daily High and Low Values
  • Temperature Control
  • Easy to Read Display
  • Clip and Magnet Mountable

Cons

  • Accuracy Reduces with Time

5. ThermoPro TP67 - Best Indoor Hygrometer for Home Use

Best Indoor Hygrometer for Home Use

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4.4/5

ThermoPro TP67 is one of the best digital hygrometers with built-in professional grade sensors. It provides accurate and precise readings every time. Powered by a rechargeable lithium battery, the receiver can sync with the measurements of close to 3 outdoor sensors and display them. The hygrometer updates it's display data every 50 seconds. It measures the humidity conditions by means of 6 extremely sensitive vents, providing reliable readings. 

The humidity detector presents the readings in the form of temperature and humidity percentages. The display also comprises of trend arrows to let you know whether the temperature and humidity increases or decreases. The weather forecasting data allows you to adjust accordingly. The sensor can record and tabulate barometric pressure in the form of hPa or in Hg and also display the data in graphical form over a 12-hour interval. This leads you to easy access to information.

The display of this humidity reader is large, clear and bright and can be viewed easily from any angle. It is supported by a backlight with a broad field of view, allowing you to observe the display even in low light and dim conditions. An incredible fact about the device is that it also completely sealed to be waterproof and cold resistant to ensure transmission in rain or snow. But direct exposure to rain and sunlight must be avoided. 

Final Words:

If you don't want to keep investing in batteries that need to be replaced every few months, then this is the best hygrometer that you must buy. This sensor is not only more power-efficient but is long-lasting as well. The battery of the sensor is rechargeable as in you just need to connect it up to a USB cable to power it up, without the hassle of replacement, saving a lot of money. The fact the sensor is sealed completely and is completely cold resistant and weatherproof helps as well.

Features

  • Sensor can be Removed
  • Multiple Mounting Options
  • Records Maximum and Minimum Values
  • 330ft. Wide Transmission Range
  • Paired with up to 3 Outdoor Sensors

Pros

  • Responsive and Precise Readings
  • Waterproof
  • Clear, Bright Display
  • Unaffected by Harsh Weather

Cons

  • Must be Placed in Open Areas

6. AcuRite 01080M Pro - Best Indoor Humidity Monitor for Easy Use

Best Budget Friendly Indoor Humidity Monitor

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4.4/5

AcuRite 01080M Pro is a digital humidistats with compact and sleek design. We found it quite easy to use due to its simple interface. The user manual provided in the box was of great help too. The battery is long-lasting and powerful. A thermometer is also present to measure the temperature of your surroundings to help you know your environmental conditions better.

The humidity reader records the highest and lowest humidity values of the day with a 24 hour recording time. Information is updated every 10 seconds so that you have real-time information about your humidity conditions. It has industry-leading support with a one year warranty.  

An interesting concept of the device is that it can display high and low values at all times. A wide range of wireless humidity sensors present in this hygrometer helps in achieving professional Accuracy.

Final Words:

The alarm features on this humidity monitor is second to none other devices in the market. You can program and customize them to alert you on recording the values you desire. There are also High and low humidity alarms present which let you know that the Humidity is out of the desired range and allowing you to make corrections and modifications. If you like to be notified constantly about changes in the measurements of data, then this the best humidity monitor for you.

Features

  • Programmable Humidity Alarm
  • Wide Temperature and Humidity Range
  • Level Light Indicators
  • High and Low Humidity Alarms

Pros

  • Reliable Information
  • Top-Notch Readings
  • Highly Intuitive Design
  • Excellent Level Light Indicators

Cons

  • No Backlighting

7. La Crosse Technology WT-137U- Best Hygrometer for Portability

Best Hygrometer for Portability

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4/5

La Crosse WT-137U is one of the best portable hygrometers in the market. It is very easy to handle and can operate by laymen as well. It includes a temperature sensor as well, which records data in either °C or °F based on your needs. The display can also relay the recorded humidity percentage values. 

This digital hygrometer has an ergonomic design and has a clear framed body which is small and compact. The miniature size allows you to carry and place the wifi hygrometer in a number of locations.

The display is bright and clear, with good viewing angles. There is an option for you to set the desired humidity range, and with the help of custom alarms, the hygrometer alerts you with notifications when the humidity is out of range so that you can make adjustments.

The calibrated hygrometer can store the highest and least values of humidity reached on that day. You can keep the hygrometer indoors or outdoors to measure humidity by resetting the device when moving from outside to inside and vice versa.

Final Words:

The efficiency of this hygrometer is a wonder. Not only does it give accurate and reliable readings, but you can also depend on it without a second thought. It comes with all the features required for smooth operation and planning. The tabulated readings are also presented in an easy to understand colour-coded format.

Another factor increasing the efficiency of this digital hygrometer is the battery indicator icon on the display which informs you when your battery is running low or weak. All in all, if you desire the best hygrometer with less irritation, don't hesitate to buy this!

Features

  • Battery Power Icon
  • Stores the Highest and Lowest Humidity Values
  • Expresses RH% values
  • Comfort Level Bar Dial

Pros

  • Low Battery Indicator
  • Wide Temperature Range
  • Small and Compact
  • °C/°F Switchable
  • Displays Current Humidity

Cons

  • No Backlight
  • Screen is too Small

8. Ambient Weather WS-3000-X3 - Best Indoor Hygrometer

Best Hygrometer for Reptiles

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4/5

Ambient Weather WS-3000-X3 hygrometer can monitor graphs and three humidity sensors at once. It includes a full-colour display with graphing and monitoring of temperature, humidity, dew point, heat index. The clock automatically synchronizes the time numerous times a day based on the radio signal. This clock is accurate and includes 24 time zones throughout the world. 

This wireless hygrometer can monitor humidity conditions in three different locations by syncing with three outdoor remote sensors. The humidity monitor graphs the recorded data from the sensors at once. The devices can store the maximum and minimum values of temperature and humidity recorded in its memory for easy usage.

The display is a coloured one which can showcase the graphing of temperature, humidity, dew point, heat index point. The hygrometer can also be easily reset in case you want to start afresh. Software for advanced data analysis, programming and extraction of data is well defined and easy to use. This helps in giving you access to professional-level data.

Final Words:

The best aspect of this device is it's superior alarm features. You can set alarms for any of the measured parameters like temperature, humidity, heat index, few points and more. The clock is very accurate as it synchronises itself to radio signals to set the time several times a day.

The clock can also be set depending on 24 time zones of the world, proving immensely useful. The alarms give you audible and visual alerts when any value is recorded out of the desired range. With the alarms being second to none on this best indoor hygrometer, we definitely recommend this purchase. 

Features

  • Supports up to 8 Thermo-hygrometer Remote Sensors
  • Additional SD Card Option
  • Well Programmed PC Software
  • Advanced Data Extraction and Analysis
  • Radio-controlled Clock

Pros

  • Accurate Reading
  • Calculates Dew Point
  • Includes 24 Time Zones

Cons

  • Only WH31 Remote Sensors can be Used
  • Operation is Difficult

9. IncuTherm Plus 1109 - Best Digital Hygrometer for Incubators

Best Digital Hygrometer for Outdoor Usage

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4/5

IncuTherm Plus 1109 is a commonly used hygrometer for incubators. It has the capacity to measuring indoor humidity levels. This unit includes a thermometer and remote humidity sensors as well. So that you will have a better idea about your surroundings. You can view the highest and lowest values recorded with respect to temperature and humidity with just a press of the memory buttons. 

You can reset the hygrometer easily in case you want to observe and record the highest and lowest values in a new interval of time specifically. It is also easily convertible between Celsius and Fahrenheit based on your preference.

The remote sensors are hardwired, ensuring that you face no connectivity issues and is as such irritation-free. The design is amazing and innovative. Magnets fixed in the back allow the unit to stick to any magnetic surface. A pop-out kickstand keeps your unit propped up so you can read the screen easier.

Final Words: 

You may want to measure the humidity conditions inside your egg incubator but be apprehensive of sunlight, heat, and other external and environmental factors affecting the build and working of the sensor. In that case, look no further than this hygrometer because the probe can accurately measure humidity inside the incubators. This is your best bet for your incubators, so pick up the best hygrometer right away!

Features

  • Thermometer and Remote Sensors Available
  • Large LCD Screen
  • Minimum and Maximum Readings are Stored in Memory
  • Remote Probes

Pros

  • Small and Compact Design
  • Large Display
  • Magnetic Back and Pop-out Kickstand
  • Probe Fits into the Incubator Vent Hole

Cons

  • Calibration Issues
  • Accuracy Issues

10. Veanic 4-Pack - Best Humidity Gauge

Best Hygrometer for Guitar

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 4/5

Veanic is one of the best humidity gauge that are accurate and reliable with the least economic costs. It comes in a pack of four, and each unit is incredibly compact and miniature, which lets you keep it in a number of places. It also means that the hygrometer is small enough to be mobile and carried easily from one place to another. 

Apart from the humidity monitor, digital thermometers are also present in all the four units which record the temperature measurements quite accurately. One thing to remember is that the back of the unit contains the sensor units, so you need to find open space in a room in case you want to hang them on walls to ensure that the vent can function. The units are designed to benefit the user's every requirement, and they can click into rectangular holes as a mounting option.

Final Words:

These come in a pack of four, so you can place them in different locations to tabulate the humidity readings. After various trials, we can conclude that the units are not only highly accurate and precise but are also consistent with each other, as all of them show the same readings when placed together. But, are you apprehensive of putting in a lot of money to buy a humidity monitor? Well, fret no further because this is one of the best humidity gauge at a low price and you will get four units instead of just one!.

Features

  • ABS Plastic Body
  • LCD Screen Display
  • Built in Probe
  • Temperature Expressed in °F

Pros

  • Accurate Readings
  • Compact and Lightweight
  • Easy to Handle
  • Comes in Pack of 4

Cons

  • Plastic Build is Flimsy
  • LCD Screen

11. Inkbird ITH-10 - Best Humidity Meter

Best Humidity Meter for Musical Instruments

Review

Weatherproof
Accuracy
Battery Life
Easy to Use

Battery Life
Value for Money

Overall Rating - 4/5

Inkbird ITH-10 is a digital thermometer build with mini digital humidity monitor that allows one to easily know the temperature in the surroundings as well as the Humidity. It is a popular indoor digital humidity meter which allows you to know the Humidity of your immediate surroundings easily. This is one of the easiest monitors to use among the several we encounter in the market.

It's simple formatting and interface allows easy operation by anyone. The display is also bright with large digits and easy viewing. The display of both humidity and temperature recordings is a win. Placement of this humidity monitor is quite easy due to its sleek and compact design which is not clunky. 

Due to its mobile build, the device can be transported easily from one place to another, and you can keep it in an instrument case without causing any obstruction to the instrument. Mounting is hassle-free and fast. They are usually used in guitar cases, greenhouses, offices, labs, libraries, schools and a variety of other places.

Final Words:

The best aspect of this humidity monitor is it is used for maintenance and observation of musical instruments. Many musicians swear by this device. If you want to check the humidity conditions of your musical instruments and their cases to ensure that nothing favouring moulds are present then choose this humidity monitor without a second thought.

Features

  • Supports Conversion Between °F and °C.
  • Record Max and Min Values of Humidity
  • Simultaneous Display of Humidity and Temperature
  • Low Resolution

Pros

  • Immediately Records Data
  • Easy to Use
  • Accurate Reading
  • Multifunctional Scenes
  • Display is Easy to Read

Cons

  • Weak Design
  • Fragile

12. ThermoPro TP55 - Best Air Humidity Monitor

Best Cigar Hygrometer for Humidor

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 3.9/5

ThermoPro TP55 is one of the most accurate hygrometers which can be used to measure humidity conditions both indoors and outdoors. This digital hygrometer display is composed of a 4 inch large LCD screen for easy viewing of data. The display is a touch screen which allows for simple handling of the device. The screen is also aided by a backlight to ensure that you can see the readings even in dark, dim or low light conditions.

Not just a humidity monitor, the device also comes with a room thermometer to help measure the indoor temperature readings. You can choose to display the temperature data in either °C or °F. The hygrometer informs you about the current air quality and conditions, thus letting you ensure that there are no allergens or pollutants present in the atmosphere.

The thermometer and hygrometer can store the highest and lowest values recorded in a day. The data from both these sensors are updated every 10 seconds, ensuring you have access to real-time data. The indoor hygrometer presents the trends of the measured readings, whether they keep increasing or decreasing, letting you predict and plan ahead. There are a number of mounting options from which you can choose one based on your convenience, including a stand, wall hook and magnet mounts as well. 

Final Words:

ThermoPro TP55 is one of the best hygrometers which checks all the necessary boxes. It is accurate and efficient with industrial-grade sensors and is user friendly and simple to use. If you want a no-frills, simple and reliable hygrometer, this is your best bet.

Features

  • Large LCD Touchscreen Display
  • Backlight Support
  • Room Thermometer
  • Data is Refreshed Every 10 Seconds

Pros

  • Easy to Place
  • Lightweight
  • Many Mounting Options

Cons

  • Design is Old Fashioned
  • Accuracy Diminishes with Use

13. JEDEW [2 Pack] B07GR65CNT - Best Indoor Humidity Meter for Small Size

Best High Speed Indoor Humidity Meter

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 3.9/5

JEDEW mini hygrometer is relatively cheap and inexpensive humidity monitor which comes in a pack of two. It can be used to take humidity measurements for both indoors and outdoors. Apart from the hygrometer, a thermometer measuring temperature values is also present.

A feature which I find impressive is the two units are consistent with each other, which is surely a testament of its accuracy. It is used in various public areas like offices, labs, cars, schools, labs and places with AC.

And it comes pre-calibrated from the factory and works like a charm right out of the box. Also, it is cheap for the features it undertakes. Button batteries are included as well. It gives a fast response with the presence of 24 sensitive vents which helps in accurate readings. This make this device the best indoor humidity monitor in this list.

Final Words:

Are you one of those people who needs to do everything as fast as possible? Is speed your signature move? Then this the best humidity meter seems to be made for you as it provides a fast response compared to others in this price range. What are you waiting for? Buy it as fast as you can!

Features

  • Ergonomic and Feedback Based Design
  • Convertible Between °C and °F
  • Round Shape and Portable
  • Long-Lasting and Durable

Pros

  • Mini Size
  • Accurate Humidity Readings
  • Build Quality

Cons

  • LCD Display
  • Not Waterproof

14. Vicks V70 - Best Indoor Humidity Monitor for Health Conscious

Best Indoor Humidity Monitor for Health Conscious

Review

Weatherproof
Accuracy
Battery Life
Easy to Use
Value for Money

Overall Rating - 3.9/5

This Hygrometer is manufactured by the famous Vicks company, known for manufacturing anti allergens, cold, cough medicine, syrups and vaporub among others. Vicks humidity monitor helps in controlling our health as it indicates when humidity levels are getting dangerously high.

It also helps us prevent the contagious spreading of flu and other viruses while also clearing nasal passages. It maintains Humidity between 40-60%, which is the ideal condition for the best quality of air. There are various comfort zones present to let us know humidity levels. In case of Humidity is not as desired, it lets us know when to turn on and turn off the Humidifier.

Final Words:

This indoor humidity monitor is definitely for those health nuts who obsess on their well-being as it is manufactured by a health company known to all. Rather than checking the humidity conditions for your garden or instruments, this device mainly serves to alleviate your health and living conditions. It's a useful tool to prevent colds, dry skin, asthma, allergy and moulds. All I can say is it the best indoor humidity monitor for persons who are giving more care about their health.

Features

  • Extra-Large Display
  • Child Safe and Maintains Health
  • Mercury-Free Battery
  • Celsius or Fahrenheit Options

Pros

  • Easy to Read Display
  • Highly Accurate
  • Approved for Medical Use
  • Three Comfort Zones

Cons

  • Display Causes a Reflection
  • Basic Design

15. Goabroa Mini B07QF9C73N - Best Compact Humidity Meter

Best Compact Humidity Meter

Review

Weatherproof
Accuracy
Battery Life

Easy to Use

Value for Money

Overall Rating - 3.9/5

Goabroa Mini Hygrometer is one of the most incredibly compact and miniature humidity monitors in size. The body build is composed of ABS plastic and has its dimensions as 0.66×1.89×1.13 inches. The small and ergonomic design is a huge advantage as it proves the monitor to be an ideal fit for using in incubators, reptile and fish tanks, guitar cases, humidor, and other places.

It comes with two LR44 batteries which last a lifetime. Apart from the humidity monitor a thermometer measures temperature readings. Despite the small stature of the device, the display is a large LCD screen which is easy to read from a distance as well.

Its tiny design helps it to be used anywhere at any time. When used in households, they prevent mould formation. They are most ideal for maintenance of musical equipment. It's best feature is the compact and tiny size allowing it to observe the Humidity in really small spaces.

Final Words:

It's incredibly compact, and miniature size is the winning feature of this hygrometer. As it's really tiny, you can observe humidity levels in really small spaces. If you need to observe the Humidity in congested or minute places, then this is the humidity monitor for you.

Features

  • Humidity Sampling Period is 10 Seconds
  • Accurately Measures Humidity Conditions
  • Ideal for Maintenance of Musical Instruments

Pros

  • Incredibly Compact and Small
  • Simple Operation
  • Easy Installation

Cons

  • LCD Screen
  • Can't be Directly Placed on a Heat Source

Best Hygrometer Buying Guide

  • Hygrometer

Types of Hygrometer

A hygrometer is a specific instrument that is used to find the humidity levels around you. But, the interesting fact is that there are a variety of hygrometers available in the market. These hygrometers have different underlying working principles, but all work on the same lines to offer the users accurate readings. You can grab the type that suits your requirements and works perfectly for your place as per your location preferences.

Here are some of the prominent types of hygrometers that you can get in the market and avail of their benefits. Let's have a sneak-peak through them to know more about it.

1. Electrical/Digital Hygrometers

Electrical hygrometers are one of the most common types of hygrometers that use the phenomenon of resistance or capacitance to measure the humidity levels. The humidity in these types of hygrometers is measured with the assistance of two metal plates facing each other, having the void for air between them. As soon as the air between the plates becomes moist, it facilitates measuring the humidity around the place. This phenomenon is observed when the capacitance is used to measure the humidity levels.

On the other hand, if the resistance is used in an electrical hygrometer to measure the humidity levels, then a ceramic substance is used to pass through the hygrometer. When the ceramic material is exposed to the air, the water vapor condenses. When the humidity levels change, then the changes in the resistance levels are observed.

2. Psychrometers

A psychrometer is a type of hygrometer that takes advantage of two bulbs in a single go. Dry and wet bulbs are used in this hygrometer. The two bulbs work in a fashion such that when the wet bulb experiences evaporation, the temperature drops off below the temperature of the dry bulb. The difference in both bulbs measures the humidity level. This is the phenomenon adopted by the psychrometers.

3. Dew point hygrometers

If you have been searching for one of the most precise and reliable hygrometers, then a dew point hygrometer is the best fit to go for. This hygrometer is responsible for keeping a tab of moisture levels in the air. The dew point hygrometer is best suited to measuring small amounts of moisture. It works well in these conditions, but if you want to measure a large amount of moisture, this dew point hygrometer is not optimal.

4. Hair-tension hygrometers

Hair-tension hygrometers are a unique type of hygrometers that use animal or human hair to find the humidity changes. In these hygrometers, hair is put under pressure to measure the humidity levels. The hair that is put under the pressure will witness moisture levels. As soon as the humidity level changes around your place, you will witness the hair's length increase or decreases as per the change in moisture content around the environment.

5. Metal-paper coil hygrometers

If you want to go for a low-cost and efficient solution for the hygrometer, then a metal-paper coil hygrometer is one of the best choices. This hygrometer comes bundled with a salt-impregnated strip attached to a metal coil.

When the humidity level changes in the environment, the strip absorbs the moisture content and changes its shape. This change is recorded on the dial with the help of a needle that helps to get the hygrometer reading for the user.

6. Chilled mirror hygrometers

If you have been longing for a digital hygrometer that will offer precise readings, then going for the chilled mirror hygrometer will serve your purpose. This hygrometer is the variation of the dew point hygrometer with enhanced precision levels. It works with the assistance of a chilled mirror and an optoelectronic mechanism. The mirror surface is designed in such a way that it records the condensation levels.

The electronic mechanism in this hygrometer plays a vital role in maintaining a balance between the evaporation and condensation levels. These levels have a crucial role to play in depicting the readings of the humidity variations.

7. Gravimetric hygrometers

A gravimetric hygrometer is considered one of the most accurate hygrometers you can get in the market. It is based upon one of the most accurate and reliable concepts of measuring the humidity levels around the place. This hygrometer uses the mass of an air sample compared to an equal amount of dry air to measure the humidity levels of a place.

8. Thermal hygrometers

When it comes to thermal hygrometers, they use the thermal conductivity of air to verify the humidity levels. This type of hygrometer is specifically designed to read the absolute humidity levels rather than relative humidity levels. Thermal hygrometers come with built-in sensors that help the user to come across the humidity levels.

9. Optical hygrometer

An optical hygrometer is one of the essential types of the hygrometer that uses the light emitter and the light detector. The humidity levels are observed with the help of water absorption levels by the air present between the emitter and detector used in the optical hygrometer. The detector helps to analyze the humidity levels of the place with the help of an optical hygrometer.

How to Use a Hygrometer

When you get the hygrometer for your place, the first question that strikes your mind is how to use it? If you are a beginner, then you must be haunted by the technical facts and calibration things. In that case, further reading will answer most of your questions, and you can easily analyze how to use a hygrometer without taking any professional help.

If you want to get the apt readings with the hygrometer, you should make sure that it is calibrated at least once a year to meet your expectations. The most important part of using a hygrometer is to understand how to read it well. If you can't read the readings depicted by the hygrometer, then it is entirely futile to possess it because it is not serving the intended purpose.

Reading the hygrometer properly requires understanding the type and model of your hygrometer. If you are not well-versed in this aspect, it can pose a problem for you. Otherwise, reading the hygrometer is not as difficult as it seems at the very first glance. For instance, if we consider a hygrometer model that comprises wet and dry bulbs, let's have a sneak-peak of how we can use this model of hygrometer.

To read the readings of humidity levels with the assistance of this model, we need to keep a tab of dry bulb temperature, wet bulb temperature, as well as the difference between the first and second temperature observed with wet bulb, i.e., wet-bulb depression. Now once we have these required values, the following are the steps that you must follow to read the humidity levels with a hygrometer.

  • Have a glance at the chart made on the front of the hygrometer
  • From the chart, start reading the temperature of the wet-bulb in the downward fashion
  • On similar grounds, find the temperature of the dry bulb
  • Check for the point where both the temperatures meet
  • The intersection point will give the relative humidity of the surroundings

Using this simple approach, you can easily use the hygrometer and read its readings precisely without any hindrance or obstructions. On a similar line, you can even read the readings of the various other hygrometer models to get acquainted with the humidity levels around you.

Factors Need to Consider Before Buying a Hygrometer

When you plan to buy a hygrometer, the first and foremost question that comes to your mind is which one to buy? There are bundles of brands available in the market that give neck-to-neck competition to each other to lure maximum customers. With the advent of technology, various models of hygrometers come into the market with every passing day with something unique in its treasure. Among all such options, one gets confused and stuck. So, to ease up your confusion levels, we have come up with several factors that you need to consider before buying a hygrometer.

These factors will act as a deciding parameter to check that the hygrometer you will possess will serve the intended purpose. So, let's get started to have a clear insight into what you should never neglect before grabbing the hygrometer for your home.

1. Choose application area

The first and foremost factor you need to consider before buying the hygrometer for your home is the application area you are grabbing it. There are various places where you can place the hygrometer to check the humidity levels so getting familiar with the application area is very important. The hygrometer can be used in a house, greenhouse, cigar, terrariums, etc.

Among the various application areas, if you are not sure about the place of application, it can pose many problems for you shortly. There are instances when you need temperature and humidity values at a single place, and in that scenario, you will require a different sort of hygrometer. So, always remain particular about this thing because failing in it can cause various other issues. Never neglect this factor before grabbing the hygrometer.

2. Accuracy

Accuracy is one of the key aspects for which you buy a hygrometer. If you don’t get the accurate humidity readings for your place, then grabbing the hygrometer is no use. It would help if you were particular about the precision levels that you seek in a hygrometer. Few require high precision, whereas other are fine with a bit of error factor.

Before buying the hygrometer, you should also check the accuracy ratings and the ranges so that you can be sure of buying it. While reading the hygrometer, keep a tab that whether you are witnessing a +_ %RH rating. This rating helps to find the marginal error factor in the readings. 

Based upon this marginal error factor, you can easily check that whether the hygrometer is accurate enough to suffice your needs or not. The marginal error factor of the sensor depends upon the models of the hygrometer. So, it becomes the need of the hour that you should properly check this factor before buying the hygrometer for your place.

3. Source of working

Checking the working source of the hygrometer before buying it is one of the essential things that you should never ignore in the sparkle of luring features of the hygrometer. You should be sure that whether you want a hygrometer with a wired connection or wireless connectivity.

This is one of the prime questions that must strike your mind while buying the hygrometer. If it consists of wired connectivity, then check that whether it suits your requirements or not. If it goes well with your requirements, then you are good to go with it.

If the hygrometer that comes across your way supports wireless connectivity, then the next thing you should check is the type of batteries it supports. Once you know the type of batteries, you also need to be sure about the longevity of the batteries. If these requirements are sufficient enough to fulfill your needs, then you can go with this one.

4. Remote monitoring and alerts

Before grabbing the accurate hygrometer for your place, you need to be particular about the remote monitoring and alerts. When you want to observe the humidity readings, then you are not bound to sit all the time at your place. You should be allowed to keep an eye on the changing humidity levels from wherever you go.

So, this is one of the essential features that you should never miss out on. Also, seek the alerts that come with the hygrometer. These alerts inform you whenever the humidity levels at your place exceed a particular threshold. 

The alerts are not supported in all the models of hygrometers. If you seek some extra features, you undoubtedly need to pay a bit extra for them. But, go for these features if you really need them, and don't go blindly in a rat race to grab this feature. Suppose everything is going well without even this feature, then no need to bother about the same.

5. Additional sensors

If you want to possess a hygrometer for keeping a tab of humidity levels of various places with a single unit, you should connect additional sensors with it. So, if you need to use a hygrometer for this purpose, you should keep a check on this functionality. Always check that the unit you are going to buy is having enough caliber to accommodate additional sensors. Also, check the areas for which you want to use the hygrometer.

6. Impeccable display

Having an impeccable and clear display for viewing the readings is one of the key factors you should never neglect before buying the hygrometer for your home. Make sure that the one you will buy has a good screen resolution and displays the values even from some distant place.

Always focus on the readability of the display because if you cannot read the readings properly, then there is no fun in possessing the hygrometer. Try to get the idea of the hygrometer by reading its specifications and reviews of previous customers so that you can come up with a better conclusion.

7. Historical data

If you are interested in keeping a tab of historical readings of the humidity values, you should go for the hygrometer that supports great data logging. If the one you are looking for is not up to the mark of data logging, then you need not go for that. There are only a few models of hygrometers that support enhanced data logging features. So, you need to keep a keen eye on whether the one you are selecting to buy is optimum for you or not.

8. Affordability

Affordability is one of the major factors while buying the hygrometer that is often neglected while purchasing one. There are various luring features that a hygrometer has to offer to a user.

But, you should be aware with the fact what you want from a hygrometer and what your budget is. There are many products that you can get in the market lying in your budget range. So, it is one of the most important things to maintain.

Don't rush behind all those features that you don't even require in the long run. Stick to your requirements and pay for what you need in a hygrometer.

Frequently Asked Questions About Hygrometers:

1. What is a Hygrometer?

A hygrometer is a device used to record and measure the amount of humidity or water vapour content in the atmosphere in a particular region. They rely on other factors like temperature, pressure, mass, and other quantities to measure temperature.

2. Since When Hygrometer Have Been Used?

Hygrometers are in use since centuries. Leonardo Da Vinci developed the first crude hygrometer. In 1480, a modern hygrometer was constructed by Johann Heinrich Lambert. Francesco Folli is credited with the design of most hygrometers in use today.

3. What are the Types of Hygrometers?

  • Electrical hygrometers
  • Dew point hygrometers
  • Hair tension hygrometers
  • Metal paper coil hygrometers
  • Psychrometer

4. What are the Units of Measurement of Hygrometers?

Hygrometers measure humidity, which is unitless. Instead, humidity can be expressed in terms of specific, absolute and relative humidity. The value of actual water vapour in the air is absolute humidity. The value of water vapour in a unit mass of air is specific humidity. The ratio of absolute to theoretical humidity is relative humidity. Hygrometers usually express humidity in terms of relative humidity, which is a percentage value.

5. How does a Digital Hygrometer Work?

 A digital hygrometer consists of either a capacitor or resistor for the sensors, which vary in just the electrical properties. The hygrometer is constructed from a moisture absorbent material which changes the electric properties of the sensor as it gets saturated. These changes in properties are reported to a digital console which displays the readings in terms of relative humidity percentage.

6. What is the Average Cost of a Hygrometer?

Hygrometer costs depend on various points. The accuracy, build, brand, materials, features and more play into the pricing. But, most good hygrometers for household use is around $20, even though you get hygrometers cheaper and expensive than that.

7. How to Mount a Hygrometer?

They must be placed above the ground at an eye-level which is a minimum 4 to 6 feet above the ground on a natural surface and it must away from heat and radiation sources. The horizontal distance is at least twice the height of nearest obstructions. They must be kept away from heat and evaporation sources.  

8. How are Hygrometers Useful for Household Purposes?

Hygrometers are essential to measure the humidity levels in the air and can indicate if the humidity range is dry wet or just right. They can be used in households, offices, schools, saunas, museums, incubators and to care of the surrounding temperature. By using the readings of hygrometers, you can prevent moulds, improve your family’s health and structural integrity of the building by altering humidity using a humidifier.

9. What Features does an Ideal Hygrometer Have?

An ideal hygrometer should be easy to install, with a hassle-free mounting process. It should also be quite easy to handle with simple operation. Accuracy and reliability are the major factors required for good operation with a small, compact, ergonomic design. It should also be reasonably priced for the features it offers.

10. How does a Hygrometer Present Readings?

Since humidity has no unit of representation, hygrometers present data in the form of relative humidity, which is the ratio of absolute humidity to the theoretical humidity in the atmosphere. It is a percentage value, and humidity between 30-60%RH is considered ideal.

Conclusion

Wouldn’t you want to breathe quality air indoors or outdoors? Hygrometers are deemed as useful tools, which utilize calculation of pressure and temperature changes. It is a helpful device in office buildings and homes as well as manufacturing and industrial processes. It comes handy in storing cigars, musical instruments and other objects in the humidor.

Hygrometers are necessary for weather forecasting as it can help indicate the chance of rainfall, fog, and dew. It tells us the recommendation for the range of humidity in a home environment.

It affects our comfort as high humidity causes moulds and allergens while low humidity causes sinus issues and dry itching skin. It is needed in the care of pets with high sensitivity to humidity. It’s an absolute necessity for pharmaceutical and processing industries. All in all, hygrometers are worthy investments and choosing the right one makes all the difference.

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About the Author

Tim

I am Tim, a weather enthusiast who loves to watch hurricanes and all other harsh weather conditions. I studied B.Sc(Meteorology) at the University of Miami. With excellent knowledge of Weather Forecasting, Meteorology, and Environmental Science, I am currently working in San Francisco as a Meteorologist. Also, I am a member of The Weather Channel and AccuWeather. In this blog, I will write a detailed review of Weather instruments that you need for survival and other activities.