Description: Ultra High Sensitivity SF6 Trace Gas Leak Detector-Q200 Sensor: Electron capture Leak Rate:1 x 10-8 ml/s 0.1ppm [With optional capillary inlet,1 x 10-10mL/s SF6] Response:1 sec (85% of reading) Concentration Sensitivity 0.01 ppm Recovery time 1sec Options Calibrated leaks Battery use time 20 Hours Display Alpha numeric VFD Manufacturing Standards To ISO 9001:2015 Certified,to CE requirements Service life:more than 20years