AP-881W Heat Stress Meter Anemometer, 3 in 1 WBGT (Wet Bulb Globe Temperature) with Wind Speed/Humidity/WBGT Alarm and Temp(℃/℉) for Outdoor HVAC Vents, Boat Sailing, Shooting

I fly drones and also do some hiking up some fairly large hillsides. I use the anemometer to check for wind speeds before flying my drones. I also like to check values when getting at the top of the hillsides from my hikes. It is nice to see if there are any heavy wind speeds or other values the the meter can detect. I has a very nice quality build.

There is a delay when pushing the different buttons throughout the controls.The most annoying thing is that when you push the “Wind” button to change the units for the wind meter, the units aren’t displayed for the (feet/min, knots, mph).In other words, only the units are shown when on (m/sec, km/hr) but it does not display the units for the rest. So you don’t have a good idea of which units you’re measuring in. The overall accuracy of the device is ok.

Pros: Put battery in and it auto turn on. Fan seem to be very sensitive and working as advertise.Cons: Input delayed when pressing button. When press power off, unit no longer turn on when pressing power again, I have to removed battery and installed it again for it to turn on. Pretty much DOA if I can't turn the unit on by pressing power button.I wish this unit work, but with the power problem, I can't recommended this unit to anyone.

Got this primarily as a measurement tool for HVAC use, and that anemometer is a bit TOO sensitive. I'm sure it's probably fine, but it does feel a bit like it might be throwing slightly over the top measurements because of that.

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