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Jason Childress
> 24 hourDoes not integrate with the new Testo Bluetooth gauges. Has to used a stand-alone app on your phone. Poor range as well.
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Leslie
> 24 hourVery accurate
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Hannah
> 24 hourBought this tool for my boyfriend who’s a HVAC tech. App is clean and easy to use. He was very pleased.
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Anthony Pruitt
> 24 hourGreat product, easy to use
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Ruslan
> 24 hourI really liked the hygrometer. Came with calibration protocol. I recommend
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Hammerhead
> 24 hourIf you want to set this unit up somewhere that is not easily accessible and walk out of Bluetooth range the Bluetooth shuts off after 10-15 minutes or so. So then you have to climb back up to where ever to restart the Bluetooth so you can reconnect to it. I was going to buy more of these tools but they all probably have this issue. There should be a way to disable auto shutoff.
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vipx
> 24 hourIt seems to be reasonably accurate. I have no means of verifying calibration. However, it is serving the purpose of measuring temperature and humidity across floors and rooms in my home very well. It confirmed my suspicion that my home thermostat is over reporting the temperature and under reporting humidity levels, and that I have significant variation of both thru my home.
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William Cates
> 24 hourGreat item, I have others by Testo
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Bobby
> 24 hourIf you have an older phone or a phone that hasnt been updated to the newest android or ios then this tool will work great. However, if you have a newer phone, particularly a samsung, then check the reviews on the play store. The app is nearly unusable on newer phones. Several features dont work properly and it is extremely buggy.
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J Scott
> 24 hourHelps when tracking temperature and humidity in many applications. I use it to check the temperature inside WI coolers during unit startup. This probe along with the pressure and temperature sensors allow for TEV adjustment and monitoring out side the cooler in most cases. You can also use it to determine the correct charging of AC systems using piston type metering devices to determine wet bulb temperature of the space. I’ve just loaded the new testo App but the older one worked well for me.