Possible reasons for inaccurate measurement results of ozone monitor

Problem description: The deviation between the measured value and the actual value is large, and the data is unstable.

Possible causes:

The sensor is aged or damaged.

Air chamber contamination or optical path obstruction.

Calibration is inaccurate or not calibrated regularly.

Changes in ambient temperature and humidity affect measurement.

Solution:

Replace the calibration device regularly

Clean gas chamber and light path to ensure no pollution or blockage.

Calibrate equipment regularly according to the instructions, using standard gases.

Use the equipment in stable environmental conditions, or choose a model with temperature and humidity compensation.