1. When replacing any sensor, it is necessary to calibrate the instrument.

2. Before daily use, the self check process of the instrument should be completed.

3. Regularly test the instrument with standard gas to check if the sound, light, and vibration alarms are normal.

4. When calibrating, standard gases provided by manufacturers or nationally certified qualified enterprises should be selected.

5. Calibration should be carried out in a well ventilated environment to avoid contamination.

5. Do not calibrate the instrument when the battery is low.

6. Do not use this instrument in an oxygen rich environment.

　　

Reminder: Mastering correct usage can not only improve work efficiency but also effectively extend the service life of the oil low-temperature characteristic tester. We hope everyone can take it seriously.