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Q: The product i CE [ Europe -no Chine Export] mark ?

demandé par info sur 2020-01-02 05:32:50

enkayy Ithas a China export mark if I'm not mistaking.

2020-02-02 01:23:44 Utile (1)
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petrpr There is no calibrations. But I have to restart it for CO2 calibrating after about 5 days. In the outdoor is CO2 about 400 ppm and the Tester showed about 1000 ppm. After power off for 10 minutes it start calibrating CO2 and TVOC - it is one sensor.

2019-08-25 11:23:52 Utile (0)
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