FAQ (frequently asked questions)
Q: Why is the PM2.5 reading constantly changing?
A: As PM2.5 concentration in the environment is changing all the time not
only due to environment factors like changes in airfow, humidity, wind
direction and etc. but also due to common pollutant sources like smoking,
cooking; exhaust emissions from vehicles, smoke from burning coal/chimneys/
furnaces and etc. All these may infuence the PM2.5 concentrations and
give differences in the readings.
Q: Why is the test result abnormal or below normal?
A: ① Please check whether the air inlet or outlet has been covered or fuid
is in.
② Gently shake the detector during detection to increase the interaction
with surrounding air.
③ The sensor may be not recovered, Please place the detector outdoors
for ventilation.
Q: Why is data reading unstable?
A: As the airflow in the environment changes, the distribution of the
measured substance concentration may not be uniform. It is temporarily
recommended to try again in an environment with stable airflow.
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