Extech RHT510 Hygro-Thermometer Psychrometer

Name: Extech RHT510 Hygro-Thermometer Psychrometer
Price: 142.94 USD
Availability: InStock
Rating: 4.6 (51 reviews)

Curated from 51 real Reddit conversations

Refreshed on: March 28, 2025

Extech RHT510 Hygro-Thermometer Psychrometer

Brand: Extech

Price: $142

Snoop Score:

4.6

Sentiment

2.5

Popularity

0.8

Technical

6.3

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Snoop's Take

The Extech RHT510 Hygro-Thermometer Psychrometer is a versatile device designed to measure temperature, relative humidity, wet bulb, and dew point. It features a backlit LCD for easy viewing in low-light conditions and includes functions such as data hold, minimum/maximum readings, and auto power off options. User feedback reveals mixed sentiments about the product. While some users appreciate its accuracy, stating, "this was the fix! Found it just fine, and temp readings are accurate!", others criticize it for being inferior to digital thermometers. The recurring theme among dissatisfied users is the perceived inaccuracy of humidity readings, with one user noting, "Humidity very inaccurate; I have 6 sensors and all of them are more than 10% lower in RH readings." Given the varied consumer opinions, the Extech RHT510 may not be the best choice for those seeking highly accurate readings, especially in comparison to digital options. Potential buyers should weigh the pros and cons before making a decision, particularly if precise measurements are crucial for their needs.

Not for you? Check out our other rated Hygro Thermometers

This was the fix! Found it just fine, and temp readings are accurate!
Positive Feedback

Is the bulb and the bedding safe to use for my gecko? Also has anyone used this thermometer from thi
Negative Feedback

4.6

Extech RHT510 Hygro-Thermometer Psychrometer

Buy on Amazon for $142

Reptile Habitat Monitoring

7 / 10

Amphibian Enclosure Management

7 / 10

Greenhouse Climate Control

8 / 10

Laboratory and Educational Settings

7 / 10

See how this compares to all Hygro Thermometers

What it does well!

Key strengths users can’t stop talking about.

Accurate temperature readings

“This was the fix! Found it just fine, and temp readings are accurate!”➕

“You can use the Meat It 2023 app with the Yummly thermometer. Dock looks different, but the probe is”➕

Compatible with the Meat It app

“I imagine it will keep working after yummly shuts theirs down.”➕

“Took a few tries to get it to connect, but it worked!!”➕

Accurate to one decimal place

“It works as advertised, and is accurate to one decimal place.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Thermometer is considered trash compared to digital options

“Is the bulb and the bedding safe to use for my gecko? Also has anyone used this thermometer from thi”➕

“The thermometer is trash, you want a digital one.”➕

“Thermometer: nope use a digital one not a analog.”➕

“What is the typical humidity in your home? My Ecobee is constantly giving me high humidity readings,”➕

Thermometer is considered inferior to digital options

“I've been trying to regulate the temperature the best I can since I'm still pretty new at this.”➕

Inaccurate humidity readings

“Humidity very inaccurate I have 6 sensors and all of them are more than 10% lower in RH readings.”➕

“15 $7 hygrometers will not render more accurate results than one $7 hygrometer.”➕

Perceived inferiority to digital options

“Having multiple of the same type of sensor doesn't really increase accuracy.”➕

Analog hygrometers are less accurate than digital options

“The fix is don't use analog hygrometers or thermometers. They're nowhere near as accurate or precise as they should be.”➕

“Disk monitors are only useless if you don't know how to calibrate them.”➕

Considered inferior to digital options

“fucking blows. $100 down the drain.”➕

“It’s possible to get it working with another app.”➕

“time for another round! you guys are awesome, y'all have been giving me some great seed information for these articles.”➕

Difficult to connect with apps

“I tried that app, it recognizes the thermometer, tries to connect but never works.”➕

“I’ve been trying, but it won’t connect.”➕

User dissatisfaction with price/value

“$200 for a meat thermometer, in general, is BS.”➕

“Meat app works with it perfectly.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
Triplett RHT22 Digital Indoor Hygro-Thermometer	$38	7.6	Details	Buy
ACTIVE AIR ActiveAir Hygro-Thermometer	$16	5.9	Details	Buy
Triplett RHT70 Hygro-Thermometer and Infrared Thermometer	$150	5.8	Details	Buy
Extech RHT510 Hygro-Thermometer Psychrometer	$142	4.6	Details	Buy
Extech RH390 Hygro Thermometer Psychrometer	$284	4.2	Details	Buy
Extech CTH10A Radio Controlled Hygro-Thermometer Clock	$88	3.5	Details	Buy
Extech RH490 Hygro-Thermometer	$551	2.0	Details	Buy
Extech 445713 Big Digit Indoor/Outdoor Hygro-Thermometer	$59	1.6	Details	Buy
szdealhola 145mm Dial Stainless Steel Wall Mount Thermometer	$22	0.9	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Discussion on preferences between analog and digital devices

“digital is a step backwards- it doesn't matter how precise or your personal preference.”➕

“I think they can be pretty accurate.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Recommendations for different types of bulbs and bedding

“I honestly figured it was all trash it came in the enclosure I got for him.”➕

Recommendations for temperature levels in tanks

“Your average temps are too low. Try to heat it up a little more.”➕

Discussion on humidity levels in different climates

“In my state most homes are always 50% or higher inside.”➕

“I’m in Michigan and 50% is usually the min in the summer lol.”➕

“excessive humidity during summertime air conditioning is almost always due to an oversized AC system.”➕

Experiences with humidity in Hawaii

“LOL... as someone who lived in Hawaii for several years.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Discussion on app discontinuation

“It’s been our privilege to support your culinary adventures, and we hope the Yummly Smart Thermometer made cooking smarter, simpler, and more delightful for you.”➕

“I’m expecting nothing out of this.”➕

Experiences with customer service refunds

“they gave me $100 back and that's what I had spent.”➕

“I guess they're refunding my full amount.”➕

Extech RHT510 Hygro-Thermometer Psychrometer

Curated from 51 real Reddit conversations

Extech RHT510 Hygro-Thermometer Psychrometer

Snoop's Take

Extech RHT510 Hygro-Thermometer Psychrometer

Reptile Habitat Monitoring

Amphibian Enclosure Management

Greenhouse Climate Control

Laboratory and Educational Settings

What it does well!

Where it needs some work!

Compare On All Talked About Dimensions

Core Power Plays

Buyer’s Cheat Sheet

Cautionary Callouts

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