1. Calibrate the sensor: The accuracy of the sensor may be affected by time, usage conditions and environmental factors. Regular calibration of the sensor will ensure the accuracy of the detector. Calibrate with a standard gas according to the guidelines provided by the manufacturer to adjust the sensitivity and accuracy of the sensor.

2. Check storage conditions: Some gas detectors need to be stored within specific temperature and humidity ranges or their performance may be affected. Ensure that the detector is stored and protected correctly to maintain its proper working condition.

3. Understand interferences: Certain substances may interfere with the measurement results of the gas detector. Understanding and avoiding other gases or chemicals that interfere with the target gas can help improve the accuracy of the detector.

4. Clean the sensor: Contaminants or deposits on the sensor surface may affect its sensitivity and accuracy. Regular cleaning of the sensor surface removes dust, grease, and other impurities and improves the accuracy of the detector.

5. Check the battery: Low battery power may cause the detector's performance to deteriorate. Make sure the battery is fully charged or replace it with a new one to ensure the normal operation of the detector.

6. Follow proper use: Use the gas detector correctly according to the operation manual or the instructions provided by the manufacturer. Following the correct operating procedures and precautions will maximize the accuracy of the detector.

7. Repair or replace the sensor: If accuracy issues cannot be resolved after calibration and cleaning, it may be necessary to seek professional repair services or even replace the damaged sensor.