There is never a bad time to check the status of your gas detection. Your safety depends on properly functioning equipment, and there are a number of variables to consider. Use the checklist below to help you stay prepared. Are your sensors still under warranty? Is the pump functioning properly? Do your rechargeable batteries last an entire shift? Are the filters clean and undamaged? Does your sample tubing look clean, not dirty or discoloured? Is your calibration gas still current and not expired? Does the regulator indicate adequate pressure in your calibration cylinder? Our service engineer visit on your site for calibration service, calibrate gas detectors with self-provide portable gas cylinder and authentic certificate.