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Norman B. Bernstein
Reviewed in the United States on April 6, 2025
A recording/logging thermometer is ordinarily thought of as an industrial/scientific instrument, but it has uses around the home, as well. For example, when going on vacation, a log of your refrigerator temperature could tell you if there had been a power failure while you were away, and whether the food is still safe to eat. You can also use a recording thermometer to look at the performance of your heating/cooling system at home, and it can reveal faults in your thermostat.Sadly, this particular recording thermometer (it does humidity, as well) isn't very useful.When this product arrived, I noticed two things: first, there were only three buttons on the device, and I was aware that there would be a multitude of configuration settings that would have to be dealt with, using just a few buttons. Second, I went to read the instructions... and couldn't.The 'instruction manual' for this product is a tiny multifold, barely 4" x 2", and it is printed using a font which can only be described as microscopic. Not even two pairs of reading glasses, one on top of the other, made the print even remotely readable. I resorted to scanning the thing on my flatbed scanner, hoping to enlarge the text on my computer so I could read it... but even when scanned at 1200 DPI, it was still unreadable... only a magnifying glass or microscope would make the instructions readable.After great difficulty reading the documentation, I could see that the operation of this complex device, via just three buttons, was going to be hard. The buttons themselves are completely non-intuitive. Some functions require simultaneous depressions of multiple buttons; other functions are dependent on either a long press or a short one. I could see that the instructions would have to be handy every time the product was used.The minimal buttons and complex operation could be at least partially excused, if the instructions were readable... but there's simply no excuse here. Surely, the cost of a larger piece of paper printed with a larger font would not jeopardize the profit margin for the manufacturer.For these reasons, and irrespective of the actual operation of the device, I can give the product only one star.
Rob P
Reviewed in the United States on April 2, 2025
I wanted a permanent humidity and temperature monitor for my 3D printing room. I saw this one on Amazon at a reasonable price and decided to try it out. It came equipped with a wall-mount, appropriate wall mount screws, and the unit has a built-in, rechargeable battery that charges over USB-C. I plugged it in to charge for a bit, then came back to turn it on. The first problem was that there isn't a labeled on/off switch, just a back arrow, settings (gear), and right arrow key. I couldn't figure out how to turn it on and almost gave up, but then read the manual. You hold the right-arrow key to get it to turn on (and off, apparently). Simply labeling that key would have gone a long way to making it infinitely easier to use. Then after getting it to turn on, I was unable to get the settings (gear) key to do anything. Back to the manual and I read that holding down the left-arrow key AND the right-arrow key for a "short press" locks and unlocks the unit. Unfortunately, the unit AUTO-locks. While there is a small indicator on the screen (seen in the upper right corner of the picture I've shared), it wasn't obvious it was locking out the controls, plus even if you unlock it, it'll just re-lock itself. All of these issues would be solved by labeling keys. Since it works as advertised and I was able to get it configured correctly (date, time, and temperature in F), I only took off 1 star for the usability issues.
Ant
Reviewed in the United Kingdom on April 13, 2025
A promising bit of kit, but frustrating to use unfortunately.The first thing the manufacturers should do is provide a link to a PDF of the instruction manual, as the tiny one included is virtually impossible to read. I actually gave up after a while and tried to figure it out myself through trial-and-error (with 'some' success).The main thing I'm struggling with is the 'Excel' feature. I can get the PDF file no problem, but the former would prove to be so more useful (and is actually required for programming the unit itself).I've taken a break from it for a while, and will go back with a fresh approach to see if I can get it up and running to its' full potential.Build quality-wise it's 'OK', but the casing (and the separate backplate) does have a cheap feel about it... more like a brittle-type of plastic than I'd like. How it would stand up to being accidentally dropped is anyone's guess.If I'd been able to use this fully straight out of the box (after perusing the instructions) it would have been a solid 4-Stars. As it is:On a quality/value-for-money basis.... a generous 3-Stars.
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