The 9 Best Wet Bulb Temperature meters (2023 reviews)

Protmex line of meter come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The "wet bulb" temperature term is a hold over from the days of the sling psychometer where you have two thermometers in the sling and you "wet" the one with a little cotton sock on it. It is accurate to measure high humidity when it feels high to you and measures low when the humidity feels low. It is used for a high range of applications-hvac, industry, agriculture, meteorology, medical, daily life, building engineer, paranormal investigator, wine cellar, machine room and data storeroom.

This device is designed to detect the ambient temperature, relative humidity and the dew point. It comes with data retention, data storage, unit conversion, backlight, low battery indicator, automatic shutdown, maximum and minimum functions. The unit needs a few minutes to get a stabilized, accurate reading. It is easy to explain to those who may ask questions.

Why We Like This:

Always defaults to centigrade temperature, no off button
Very handy for determining humidity levels inside the house
Easy to use and affordable for starter use

Best For portable unit: Preciva Wet Bulb Temperature Meter

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate meter. The preciva wet bulb temperature meter is exactly that - it's a simple meter that hits all the right notes. It is a good hygrometer. It will display temperature, humidity, dew point, and wet bulb temperature in f and c. The display lights up when the instrument is turned on, but then extinguishes. The rubber button makes the meter more comfortable to use. It appears accurate and stabilizes pretty quickly. The readings are quick, and it even has a back list display which is super easy to read.

The size is very good for a portable unit, and has an easy to read screen. It has a backlit screen so that's a cool feature if you have to measure humidity in a dark space.

Why We Like This:

Good addition to an hvac bag
Nice compact size for storage and carrying around
Great product for bearded dragon cadges
Ability to measure dew point, wet bulb, dry bulb is also pretty neat

Best For tracking Dew point: Mengshen Wet Bulb Temperature Meter

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Next on the list, we've got yet another meter that manages to win our hearts. It's the mengshen wet bulb temperature meter and it's widely considered as one of the best convenient meter you can buy. This instrument measures temperature and humidity and then computes the wet-bulb temperature using a complicated (built-in) algorithm. It also directly displays dew point. It can be used indoors or outdoors for getting temperature, dew point, wet-bulb, and humidity readings. It works well, not for scientific studies but allows you to gauge moisture and any improvements after using a dehumidifier.

This meter is really really useful if you need humidity readings in other than % relative humidity. The read out screen is large and easy to see even in low light. It is made with many features.

Why We Like This:

Convenience of a single hand use instrument with automated computations
Really durable and usable and valuable for a technician
Bulb temperature using a complicated ( built - in ) algorithm
H.v.a.c tech, good for wet bulb temp for superheat

Best For HVAC TECH: Eray Wet Bulb Temperature Meter

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate meter. The eray wet bulb temperature meter is exactly that - it's a simple meter that hits all the right notes. This thermometer is very easy to use, feels like it is good quality and it is fairly accurate. It looks to be useful in fahrenheit or celcius. The graphing software provided with the device is quite decent for producing quick and informative charts, though somewhat limited in scale choices. It will store only 32, 000 samples for example 8.88 hours at 1 sample/sec.

The button on the unit actually starts and stops logging, but logging has to be enabled by the computer first. This works much better and allows full use of the device. It is used to test the attic temperature. It takes a little bit to get an accurate temperature.

Why We Like This:

Very rapid response to changing conditions
Takes along time for accurate temperature reading
Good investment for long term

Best For use: amprobe Wet Bulb Temperature Meter

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Compared with other meter in this category, the amprobe wet bulb temperature meter has a convenient design. The amprobe thwd-5 relative humidity, temperature meter with dew point, wet bulb and flexible probe features a large digital dual display with a backlight built in. This multi-faceted meter displays temperature and relative humidity percentage in a continuous readout in either Fahrenheit or Celsius and it is so sensitive the readings immediately change as it is taken from area to area, which is why it has a hold' button. It has Min/Max capability (will store minimum and maximum readings until you clear) and a HOLD capability so you can "freeze" the display reading.

This is a very nicely made instrument, comes with a leather slip-on case, and works great. It is suitable for use in a steam oven. This is an easy to use humidity and temperature reader. This meter is so easy to use, you simply push the button and it displays the humidity. It is very solidly built and professional in it's design.

Why We Like This:

Easy to use and more mobility
Very handy tool for reviewing humidity and temperature
Perfect for reading humidity, dry bulb and wet bulb temps

Best For those two things: VLIKE Wet Bulb Temperature Meter

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The vlike wet bulb temperature meter might be a relatively new release, but it's still nothing short of impressive this year. The new type of digital temperature and humidity moisture meter is designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dew point temperature. It is a measure of how much water vapor actually in the air. This handy device is very easy to use, small and compact. It is used for a high range of applications-hvac, industry, agriculture, meteorology, medical, daily life, building engineer, paranormal investigator, in wine cellar, machine room, in living and office area, traffic environment and data storeroom.

This device simply provides ambient temperature of the room you are in and Relative humidity. It is also useful for verifying humidity and temperature for optimal painting and finishing conditions. It is perfect for hvac, indoor air quality (iaq) and environmental applications. The Thermometer works great accurately and fast too.

Why We Like This:

Works well, reliable rh and temp meter
Good to have for folks who have wooden musical instruments
Simple & easy to use, highly recommended

Best For testing The unit: Fluke Wet Bulb Temperature Meter

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Compared with other meter in this category, the fluke wet bulb temperature meter has a convenient design. This meter measures relative humidity from 5% to 5%. It only measures wet bulb and dew point temperatures in other words this meter measures humidity only. It is invaluable for facility maintenance and utility technicians, hvac. It is easy to hold, and the fluke 971 is the perfect tool for monitoring problem areas.

The unit comes with batteries, all set to use and also a handy belt clip if you are using it in a more commercial way on a jobsite. These buttons are accessible inside and adjacent to the battery compartment. There is a button to turn on and off a display backlight. The clam shell package also pops open very easily. The instrument comes with batteries installed.

Why We Like This:

Lit lcd display and the readings were easy to read
Made meter, simple and a must for any hvac technician
New and hot release

Best For documenting work: lunarlipes Wet Bulb Temperature Meter

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Lunarlipes is known for creating pragmatic and minimalist meter for people on the go, and its line of lunarlipes wet bulb temperature meter definitely falls in line with that reputation. It is a measure of how much water vapor actually in the air. It is designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dew point temperature. It measures the lowest temperature that the current environment can reach by evaporating water alone. It is made of the best materials and combined with advanced design, and the finished products are sent to customers only after strict testing to ensure that they are durable.

This instrument can only detect the humidity of the space where it is located. It cannot detect the humidity behind the wall. It is widely used in hvac, industry, agriculture, meteorology, medical, daily life, building engineer, paranormal investigator, in the wine cellar, machine room, in living and office area, traffic environment, and data storeroom.

Why We Like This:

Perfect for hvac calculations and general temp and humidity readings
Digital temperature humidity meter, temperature with high-precision measurement
Dual display humidity and temperature meter

Best little device: Pyle Wet Bulb Temperature Meter

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The mini temperature humidity meter is designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dew point temperature meters. It allows portability and ease of use. It is ideal for hvac applications, industrial, agriculture, meteorology, medical, home fireplace, restaurant, greenhouse, storage rooms, wine cellar, machine room, data storeroom, etc. The control is super easy to use and it's quick to turn on, read and put away again. The humidity reading is always quick and accurate. It is great for 90%+ jobs. It comes with a nice protective bag.

Why We Like This:

Introduces a handy design allowing you to easily bring it anywhere it is needed
Easy to use, comes with a nice protective bag
New and hot release