Update 11/4/2018: StarTop sent me an upgraded version of the unit when they saw that I had an issue with one of the 3 units I purchased. This replacement unit is accurate and I'm a happy customer. This is outstanding customer service, and I have changed my rating to 5 stars up from 4. I will be buying more units in the future. Thanks StarTop!
I bought 3 of these, and put all 3 down on the table next to each other to see how much variance there was. 2 of the 3 were in agreement right away within a couple of minutes to .3 F, and were an exact match on humidity. .3 F is close enough to call accurate, so that's good.
However, the 3rd unit was 5 degrees warmer than the other 2, and the humidity was 5 points low. Slowly over the course of a half an hour, the temperature dropped to within .2 F of the higher of the other 2 units, and within .5 of the lower unit. The humidity although starting 5% lower than the other two, ended up 1% higher than the other two after a half an hour.
In the end, the oddball unit which seems slow to adjust did in fact settle within .5F of both the other units, and within 1% of the other units for humidity. This is accurate enough to say the 3rd slower to adjust unit "works", but I can't help but feel like something is wrong with it. One time I picked it up for a minute, and the temperature jumped to 90F, and I had to remove the battery to get it to go back to normal. Maybe this sensor is very sensitive and holding a unit by hand will make the temp jump very quickly. As someone else said, they felt that they had a unit which wasn't working 100% normally, and the company replaced one of them. I would also like a replacement unit for the one which is slow to adjust because I do think something is off about it.
As far as the humidity indicator symbols, there is a rain drop graphic, and a smiley face graphic. There might be a frowning face too, but I haven't seen it. These symbols are so small, that someone casually glancing at the units wouldn't even be able to see them. You really have to put your face right in front of it to see it.
All in all I like these a lot and they will do the job. I would buy more of these.
Nice looking. Somehow it was smaller that I expected but still easy to read from 3 feet. I bought 2 because I want to compare temperatures in two rooms so accuracy is something that is important to me. So attached is a picture showing 2 side by side 5 hours after removing them from the package. There is a 0.7 degree difference.
Needed something small and simple to hang under a dumb electric heat thermostat. Small and very light weight and easy to attach to wall with a 3M command strip.
My unit has a small plastic shaving stuck behind the screen but it was easy enough with the right screwdriver set to take it apart and blow the shaving out.
It took about 30 minutes after unboxing for the unit to display accurate numbers. Pay attention to the item description as this thermometer can be as much as 2.7F off. This accuracy is fine for my use and the unit was under $10 so I can’t complain.
Giving 5 stars because this little thing taught me valuable Amazon lesson.
Read the description thoroughly.
Yes, I too thought this would be bigger. Didn't read the dimensions.
I too though it would be more accurate. Didn't read the description.
The seller/listing has done nothing wrong. The description lists the tiny demitions and the pretty generous swing in readings. It's on me that I failed to do more than look at a picture.
If you need a general idea on temp and humidity, have good eyesight than pick this up.
Oh, yeah. Take the battery door off to remove the plastic that keeps the battery from contact in the compartment before being sold. Will save some aggravation
I have recently become aware of how dry my bedroom gets and how it affects my breathing at night, as well as the moisture in my skin. In an effort to get the moisture level up a bit I added some plants to my room. This gauge has been perfect for letting me know how I am doing with the humidity. On the nights when it has a low reading or when I am going to run my space heater, I also have a bedside humidifier. With this gauge I know when I need to use the humidifier or not. It is quite small, so doesn't stand out or take much space. It was easy to set up. Just pull the battery tab, tap C/F to get the type of reading you want, then it jumps to the current readings within about a minute. It is amazing how dry air can negatively affect your sleep!!!!!!
Feature Product
- 【Lifetime Warranty】Habor mini temperature and humidity monitor (1.8 x 2.3 INCH, small and light enough for saving space and carrying around) comes with a Lifetime Warranty, you can contact us via email and our friendly customer service will respond within 12 hours.
- 【High Reliability & Accuracy】Fast response that measures every 10 seconds with 24 sensitive VENTS to provide updated and accurate readings, wide measuring range that measures temperature from 32.0℉ to 122.0℉（0.0℃~50.0℃), temperature accurancy range around ±2.7℉ ( ±1.5℃). Humidity sensor measures humidity from 20% to 95%, humidity accurancy range around ±5%.
- 【Comfort Level Indicator】Level icons indicate comfortable, un-comfortable and normal conditions. Habor hygrometer thermometer measures indoor humidity and indoor temperature in time help to adjust the humidifier, dehumidifier settings and humidistat, great for monitoring family's living conditions and health by preventing colds, dry skin, asthma, allergy, mold.
- 【Multiple Mounting Options】Habor humidity gauge room thermometer with magnet attaching, table standing, and wall hanging design, put anywhere you want, convenient mounting feature for every type of room like kitchen, garden, greenhouse, basement, baby room, guitar room and office.
- 【Easy Read & Operation】Habor humidity gauge indoor thermometer has no complicated function button（℉/℃ Switchable), Indoor thermometer displays temperature in Fahrenheit or Celsius. Bright and black front panel with a clear LCD display, easy to read even from a far distance. Comes with a free CR2 batteries and 6 months working time. ★Please remove the protective film before use.★
Description
Dimensions 2.3" H x 1.8" W Accurate Temperature and Humidity Measurement Sensitive temperature and humidity sensor with high accuracy make the mini digital hygrometer thermometer be the optimal choice for both your life and work. The measurement every 10 seconds provides fast response and updated readings for you. User Friendly Feature This mini digital hygrometer thermometer is widely available for monitoring both indoor and outdoor humidity and temperature. This humidity gauge is compact for you to carry it outdoor so that you can adjust your arrangement in time. Three mounting options allow you display it on the wall with hanging hole, put it on a flat surface with support bracket or attach it on a fridge or other place with magnetic backing. Easy-to-read Display The large LCD screen simultaneously displays big digits of temperature and humidity, which makes it easy and clear for you to get the readouts even in far distance. What’s more, the fashionable black appearance makes it match all applied places. Specification Temperature Display Range: 32.0℉~122.0℉（0.0℃~50.0℃） Accuracy: when temperature is between 10.0° C~40.0° C, the accuracy is +/- 1.5° C, if out of this range the accuracy will be +/-5° C Temperature Graduation: 1.0℉/℃ Temperature Resolution: 0.1℉（0.1℃） Humidity Display Range: 20%-95%RH Accuracy: for humidity between 40%~80%, the accuracy is +/-5%, if out of this range the accuracy will be +/-7% Humidity Graduation: 1%RH Battery: LR44 Note Please replace the battery if the battery had run down after months. Please clean the product regularly and do not use it near water. Warranty Every product provides a 45-day money back guarantee and 18-month warranty.
The seller sent me another one for free, and I’m happy with their attitude, so I’ll change my rating. Below is my original review.
———————————————————-First it’s super tiny, like two square inch, which I’m fine about. The problem is the temperature is not very accurate and takes a long time to change. The manual says it updates every 10 seconds, but it takes a lot longer to actually reach the accurate reading. Right now it’s been 20 minutes since I walked out of a 75 degree office to the 30 degree parking lot, and the thermometer still reads 56 degree while dropping like a degree per minute. I don’t think I’d be patient enough to wait for the reading most times
The dimensions are as specified. I just didn't realize how small it would be until I had it in my hand. The numbers are only 1/2 inch tall. With no back light they are hard to read unless close. Especially in a dimly lit room.
The readings are accurate. Compared to another thermometer and to my thermostat. The temperature is within one degree. The humidity differs by about 2%.
I ordered three of these units to help with adjusting the heating/cooling in my new home.
When left to equilibrate side-by-side their temperature readings ended up within one-tenth of a degree Fahrenheit of each other. Their humidity readings were identical. They were in close agreement with the temperature displayed on my digital thermostat.
The only gripe I have is, like other reviewers, I found it near impossible to pull out the plastic strip that isolates the battery prior to use. I had to pop off the battery cover with the tip of a knife on two of the three units. It is a one-time issue, and easily worked-around. So, no points off.
I love the small size of this thing, I bought this for our bedroom where our newborn is sleeping and used a poster sticky tac to put it on the wall above our diaper changing station. It did come with a nail to put in the wall but as I wanted to be able to move it around for future use thus I used the poster sticky tack, the thermometer is light enough so it works just fine on the wall.
Update:
StarTOP contacted me and sent me another thermometer free of charge. The new thermometer appears to be working correctly (or at least closer to the correct temperature). 5 stars for great customer service, 4 stars for the actual product.
Original Post:
The good - sleek design, compact, portable. Hygrometer appears accurate when compared to other brands.
The bad - temperature is off by at least 5 degrees when comparing to other thermometers.
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