BTMETER Ammonia Gas Detector 535G, Air Quality Meter Monitor Indoor NH3 Gas 0~100 PPM, Relative Humidity and Temperature, Rechargeable Ammonia Gauge with Alarm, Backlit LCD Display

Product worked great for a large event that I catered.

0.0 PPM literally right next to the litter box while my nose was hurting.

Large digital clear and bright, very nice and cool, I love it so much, thanks

Works fine and gives credible numbers. Could run a little faster though.

It does what it is supposed to do. Unit doesn’t last long, though. It’s made pretty flimsy. Definitely the best price you’ll find

This meter works well and had the same ammonia reading as the five gas meter we were using. The readout is hard to see in bright sunlight but is great inside silos.

This ammonia gas detector can accurately detect gas/ammonia while also keeping track of the temperature (both C/F) and humidity. It has a tripod mount port so you can mount it and have it continually monitor things to get an accurate reading of change in the same spot. The case could be better, but it gets the job done and the detector works great.

For a accuracy tool that's supposed to for safety. It sure is inaccurate. And low quality. It's saying the inside of my house is 85 degrees. It's 77 I double check with two other thermometers. If it can't get that right how can I be sure it get the nh3 sensing right or accurate. Nowhere to talk to someone at the company for feedback only amazon help line. It's ease of use Manuel is hard to read with the terrible English grammar too.