Heres a mini review with some pictures:
Case: Seems to be sturdy, most parts are covered in rubber. On the downside the lens is barely recessed so its prone to scratches (its a fixed lens sadly) and I dont see any screws to take it apart.
App: I have tried it with my old phone that uses Android 9. There is a HTI app in play store that did not work but the app provided via a QR code did. I liked that it did not ask for nasty permissions (just camera I think?) all functionality seems to work except taking photos and videos... it just shows an error saying that it failed to store the picture. Could be because of my ancient Android version? I dont know, havent tested with other phones. For me this is not an issue though, I use it to look at it realtime and making a screenshot works.
App features: OK. Simple, has what I need:
- multiple color schemes.
- can set temperature range, either -20-120C or 120C-550C
- 3 ways to show temperature: show min/max/middle on a line or a rectangle or the whole screen
- Performance is good, fast startup. The live feed stops for like a second every minute or so to re-calibrate the sensor.
- The only thing I really miss is that the color scheme is always relative on what you see, e.g. red always means the highest temp on the picture and its not possible to pin down to a value. This results in a funky, color disco video when I'd love if I could set that use the actual color scheme for say 15-25C, this is sadly not possible.
Heat imaging quality: Sadly I have nothing to compare it to, but it looks excellent, more than enough for HVAC diagnosis. Video is pretty smooth, the advertised 25FPS and 256x192 resolution is realistic.
Summary: does what it says on the box
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