GASTEC Wearable Hydrogen Sulfide Detector Alarm (No Cord) HS-7A Series

Specification
Main unit + Calibration certificate (with test report) + Traceability system diagram * Measurement principle/Air sampling method/Dimensions/Weight: Constant potential electrolysis type/Diffusion type/48 (W) 37 (D) x 105 (H) mm (protrusion) )/Approx. 110g (including battery and sensor) * Buzzer volume/Explosion-proof performance/Structure: Approx. 95db (at a distance of 10cm)/Intrinsically safe explosion-proof structure Ex ia IIC T3 Ga Pass number: TC22574/Dust-proof and splash-proof structure ( IP64 equivalent) Measurement range/Indication accuracy/90% response time/Display method: 5.0 to 30.0ppm (Service range: 30.1ppm to 50.0ppm, HI display above 50.0ppm)/Within ±5% of full scale/20 seconds Within (at 20°C)/Minimum scale 0.1ppm Alarm value (initial setting)/Alarm value setting range/Alarm method: 1st alarm: 10.0ppm or more 2nd alarm: 30.0ppm or more/1st alarm: 5.0ppm to 10.0 ppm 2nd alarm: 10.0ppm to 30.0ppm (can be set in 1ppm increments within the range)/buzzer, LED lamp flashing, display illumination, vibration, automatic reset type Power supply/continuous use time/other functions: AAA 1 alkaline battery (LR03, manufactured by Panasonic Corporation)/Approximately 3,500 hours (when no alarm occurs)/Automatic sensor check, automatic circuit operation check, battery replacement alarm, radio wave/static electricity interference prevention - Quantity: 1 set