Frequently Asked Questions
Why the readings are inaccurate?
The air does not circulate during storage and transportaon,
to achieve the best performance of the device, it needs to
be placed in the outdoor venlaon for at least 6 hours
before the first use. Meanwhile, each sensor has individual
differences, just like everyone is with different alcohol
metabolic abilies, so a small number of sensors may
require longer venlaon. In this situaon, to extend the
venlaon me will be advised.
Please be noted that gases such as alcohol, carbon
monoxide, and hydrogen sulfide may interfere with the
tesng of the sensor. Keep away from alcohol, cigarees
(including carbon monoxide), soot (including acrolein), and
fruits (including ethanol) before tesng. If the detector is
exposed to a high-concentraon air pollutant environment,
which will damage the sensor and make it work improperly.
Under these condions, please place the detector in a
well-venlated place for 6 hours again.
The M2000 Series supports calibraon. Please kindly find
the "Calibraon zero" opon in the menu to calibrate the
sensor.
If the reading is sll not normal, please feel free to contact
customer service for further processing.