GASTEC Wearable Oxygen Concentration Indicator/Alarm Meter, No Cord, GOA-7H Series

Specification
Main body + Calibration certificate (with test report) + Traceability system diagram *Dimensions/Weight: 48 (W) 37 (D) x 105 (H) mm (including protrusions)/Approx. 110 g (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: TC22573/Dust-proof and drip-proof structure (equivalent to IP64) *Measurement range/Indication accuracy/90% response time/ Display method: 0.0 to 25.0% (service range: 25.1 to 42.0%, HI display above 42.0%)/±0.5% (oxygen concentration)/within 15 seconds (at 20°C)/minimum scale 0.1% * Alarm value (initial Setting)/Alarm value setting range/Alarm method: Oxygen deficiency alarm: 18.0% or less Oxygen concentration alarm: OFF/Oxygen deficiency alarm: 18.0% to 19.5% Oxygen concentration excess alarm: 23.0 to 25.0% (0.5% increments within the range) (can be set)/Buzzer, LED lamp flashing, display illumination, vibration, automatic reset * Power supply/Continuous use time/Other functions: 1 AAA alkaline battery (panasonic corporation LR03)/4,000 Approximate time (when there is no alarm)/Automatic sensor check, automatic circuit operation check, battery replacement alarm, radio wave/static interference prevention *Quantity: 1 set