Top 10 Best psychrometer in 2026

Last Updated - 6/7/2026

🏆Best Choice

Protmex

Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient, Relative Humidity, Dew Point, Wet Bulb Thermometer, Min/Max Hold, LCD Backlight with Cover Protector

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【HIGH-PRECISION DIGITAL HYGROMETER】 High-precision digital temperature and humidity meter, top-notch probe sensor. Short response time, strong anti-interference ability, and more accurate data collection, for a wide range of applications.
•【MULTIPLE MEASUREMENT MODES】 4 modes of professional measurement: ambient temperature, relative humidity, wet bulb temperature, and dew point temperature. Choose what you want.
•【MULTIPLE FUNCTIONS】 HT607 has a 2.26” large screen and features data hold, unit conversion, backlight, low battery indicator, auto shutdown, and maximum and minimum functions.
•【MINI AND PORTABLE】 Ergonomic design, mini and portable, double injection precision case (ABS), Anti-dust and anti-drop waterproof triple protection using ABS material, hand grip comfortable. What's more, the additional protection cover better protects the sensor.
•【APPLICABLE SCENES】Can be used in industry and agriculture, household, laboratory, HVAC, industry, meteorology, medical, daily life, engineering, paranormal investigator, wine cellar, machine room, data storeroom, etc, keeping your family and property safe.

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$34.99

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Protmex

Protmex PT6508 Temperature Humidity Meter, Digital Thermometer Hygrometer Monitor with Ambient, Dew Point, Wet Bulb for Indoor/Outdoor MIN, MAX, Data Hold, LCD Backlight

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•PT6508 psychrometer HVAC is a new type of digital temperature and humidity meter, which is designed to combine the functions of a humidity meter, temperature meter, wet bulb temperature, and dew point temperature. And dew point is a measure of how much water vapor is actually in the air.
•Dual display humidity and temperature with accurate measuring: Humidity range: 0% - 100%RH. Temperature range: -20℃(-4℉) - 60℃(140℉). Dew point Temperature :-50℃(-58℉) - 60℃(140℉). Wet Bulb Temperature:-20℃(-4℉) - 60℃(140℉).
•Digital psychrometers are used for a high range of applications HVAC, including industry, agriculture, meteorology, medicine, daily life, building engineering, paranormal investigator, the wine cellar, machine room, and data storeroom.
•Multiple functions: With data retention, data storage, unit conversion, backlight, low battery indicator, automatic shutdown, and maximum and minimum functions.
•LCD display with backlight with high accuracy sensor, LCD brighter in the darker places. Auto shutdown without operation after 30 minutes.

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$54.99

$59.99

-8%

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Fieldpiece

Fieldpiece JL3RH Job Link Flex Psychrometer Probe w/Remote Data Logging for BLE 4.0 Devices, 2.4 GHz Radio Frequency, 0% RH to 100% RH Measurement Range

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Flex Psychrometer Probe
•Psychrometer probe for Job Link systems
•Compatible with SM380V and SM480V
•Powerful 350' wireless range w/no transmitter required
•Communicates with Job Link App

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$147.90

$174.00

-15%

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Mengshen

Mengshen Digital Psychrometer - Handheld Temperature and Humidity Meter Gauge with Dew Point and Wet Bulb Temperature - Battery Included

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•2 in 1 digital Humidity and Temperature Meter. Accurately measure any environments temperature, relative humidity (RH), dew point, wet bulb temperature,
•One-step switch between °C and °F,
•Device will power off automatically to save battery when not in use in several minutes,
•Adjustable LCD backlight for clearly showing data,
•Powered by 9V battery which is included. Please Attention: Now we use paper box packaging, the black bag shown in the picture is not included.

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$22.79

$23.99

-5%

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Preciva

Preciva Digital Psychrometer Thermo-Hygrometer, LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry, Agriculture, Meteorology (9V Battery Included)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•[2 in 1 FUNCTIONs] -- This digital Humidity & Temperature Meter & Wet Bulb Temperature Dewpoint Temperature is designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dewpoint temperature.
•[Multi- Applications] -- It is an ideal Humidity & Temperature Meter instrument with scores of practical applications for laboratory, industrial, engineer and professional.
•[Backlit & Portable] -- Small form factor easy to use, with a white backlit dual display LCD screen can be used in a dark environment.
•[Easy to Use] -- The humidity & temperature meter is equipped with a humidity/ semiconductor sensor., which is easy to use and read.
•[Features] -- Dual Display Temperature & Humidity; Resolution 0.01%RH, 0.01 °C/0.01 °F，Max Hold and Data Hold Function; Auto Power Off, Disable Sleep Mode.

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$22.79

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Testo

Testo 605i | Thermohygrometer for Indoor Temperature and Humidity Measurement | with Bluetooth Support

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Efficient: The testo 605i is ideal for measurements in rooms, ducts, crawl spaces, registers and environmental boxes/chambers due to the compact probe head bendable to 90°
•Smart: Enabling live data feed integration and automatic calculations which are conveniently displayed on your terminal device, the instrument is ideal for all HVAC/R technicians
•Versatile: The testo 605i thermo-hygrometer measures relative air humidity and temperature in rooms and ducts and calculates dew point and wet bulb temperature automatically
•Easy to use: The digital combometer allows accurate remote monitoring and is operated via mobile device. Supplied calibrated and with 3 AAA batteries for instant use
•App for Android and iOS: The free testo Smart Probes App is a powerful tool that allows you to read and log measurements and create custom reports which can be saved and shared

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$126.96

$145.00

-12%

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Fieldpiece

Fieldpiece PRH2 Digital Psychomotor

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Use for walk around testing or in-duct analysis
•Clip it to your pocket just like a pen
•Narrow tip for insertion into ductwork
•Twist cap protects sensors when not in use
•Bright backlight

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$89.25

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ERAY

Digital Psychrometer Thermometer Hygrometer with Backlight, ERAY Temperature and Humidity Reader Meter Thermo-Hygrometer with Dew Point and Wet Bulb Temperature, 9V Battery Included(Yellow)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•2-IN-1: This digital psychrometer is designed to combine the functions of humidity meter, temperature meter, wet bulb and dew point temperature. The dew point is a measure of how much water vapor actually in the air
•BACKLIGHT LCD DISPLY: ERAY temperature and humidity gauge is equipped with a bulb light in the LCD screen, user can easy to read the measurements in the darkness
•DUAL DISPLAY: Temperature range: -30 °C~60 °C (-22 °F~140 °F); Humidity range: 0~100 percent RH; Wet bulb/ Dew point temperature range: -50 °C~60 °C (-58 °F~140 °F)
•EASY TO USE: Unit switcher: °C and °F; Temperatue mode switcher: normal, dewpoint and wet bulb), Max Hold and Min Hold Function; Auto shutdown without operation after 12 minutes
•WIDELY USED: Used for HVAC, industry, agriculture, meteorology, medical, daily life, building engineer, paranormal investigator, in wine cellar, machine room, data storeroom and etc

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$23.74

$24.99

-5%

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Instrodots

INSTRODOTS Temperature Humidity Meter, High Precision Thermometer Hygrometer with Ambient, Dew Point, Wet Bulb Thermometer, Dual Display Temperature & Humidity with LCD Backlight, TH10

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•2-in-1 TEMPERATURE HUMIDITY METER - INSTRODOTS TH10 is a new type of digital temperature and humidity meter, which is designed to combine the functions of ambient temperature, relative humidity, wet bulb and dew point temperature. This temperature humidity monitor is compact and portable, safe and reliable. The Dew point is a measure of how much water vapor is actually in the air.
•HIGH-PRECISION THERMOMETER HYGROMETER - Different from traditional temperature humidity meter, we adopt a high-precision semiconductor sensor from SWITZERLAND to ensure measurements accurately and quickly. With short response time and strong anti-interference ability, the TH10 digital thermometer can be used for a wide range of applications.
•DUAL DISPLAY TEMPERATURE AND HUMIDITY MONITOR - The psychrometer has dual display humidity and temperature with accurate measuring. Humidity range: 0% - 99%RH; Temperature range: -20℃(-4℉) - 60℃(140℉); Dew point Temperature: -50℃(-58℉) - 60℃(140℉); Wet Bulb Temperature: -20℃(-4℉) - 60℃(140℉).
•USER-FRIENDLY HYGROMETER - The bright screen features °C and °F unit conversion, LCD Backlight and Low Battery Indicator functions. This wet bulb thermometer is also designed with an ergonomic design, double injection precision case, anti-dust, anti-skip and anti-drop triple protection using ABS material, comfortable hand grip, delicate and portable. All these convenient features make measuring work easier and accurate.
•WIDELY APPLICABLE SCENES - The INSTRODOTS TH10 digital humidity and temperature meter can be used for a wide range of applications to know changes in environmental information in real-time, such as HVAC, industry, agriculture, meteorology, medicine, laboratory, warehouse management, paranormal investigator, wine cellar, machine room, data storeroom, food hygiene, etc.

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$29.89

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intendvision

Portable Thermo-Hygrometer 4-in-1 Digital Psychrometer Mini Temperature Humidity Meter Pen Type Home Greenhouse Indoor Hygrometer with Dew Point & Wet Bulb Temperature, Max/Min, Backlight LCD Display

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【4-in-1 Psychrometer Thermo-Hygrometer】This 4 in 1 digital thermometer psychrometer is designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dew point temperature. Weighing only 1.62 ounces, measuring 7x1.2x1.2 inches, this pen type mini temperature humidity meter is compact and lightweight, easy to carry around.
•【Practical Functions】This pen type mini temperature humidity meter is equiped with backlight, LCD display, low battery indicator, automatic shutdown, max and min functions. Switchable °F/°C temperature. Suitable for warehouse, outdoor, freezer, lab, greenhouse, refrigerated truck, and etc. This thermometer hygrometer can perfectly meet your basic needs in daily life.
•【Accurate Measuring Humidity & Temperature】Ambient temperature range: -20℃~60℃ (-4℉~140℉); ambient temperature accuracy: 0℃~45℃±1℃ (other: ±1.5℃); humidity range: 0.0%~99.9%RH; humidity accuracy: 20%~80%±3.0%RH (other: ±4.0%RH); wet bulb temperature range: -20℃~60℃ (-4℉~140℉); wet bulb temperature accuracy: 0℃~45℃±1℃ (other: ±1.5℃); dew point temperature range: -50℃~60℃(-58℉~140℉); dew point temperature accuracy: 0℃~45℃±1℃ (other: ±1.5℃).
•【LCD Display with Backlight】Green backlight ensures clear visibility even in the dim light, give you a better using experience. Auto power off after about 30 minutes if there is no operations. Without complicated instructions or buttons, extremely simple to use. This mini Humidity/Temperature Pen can be used in home, apartment, greenhouse, aquaculture, terrarium, etc.
•【Why Choose Intendvision】Out of the box you can rest assured of this mini thermo-hygrometer and just enjoy 3-Year Warranty provided by Intendvision. Power by 2x1.5V AAA batteries (Batteries Not Included), it has a pen type body, which is easy to carry and can be used at any time. If you have any questions, please contact us through Amazon internal information. We attach great importance to the buyer experience and will solve the problem for you in a timely manner.

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$22.99

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