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27-12-2018, 06:26 PM #1
Testo 550 with unstable pressures reading.
Hello!!!
I hope this is the correct place to this post!!!
I have a Testo 550 about 2.5 years.
Now the readings are constantly unstable.
Do anyone see something like this?
https://youtu.be/n5KQrOViqP0
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27-12-2018, 10:58 PM #2
Re: Testo 550 with unstable pressures reading.
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Transducers self calibrate in atmospheric air pressure.
Check that the sensor is not blocked at the connection point and check the batteries are good and powerful enough.
Rob
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30-12-2018, 09:39 PM #3