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Gas Detected: Oxygen (O2)
Detection Principle: Galvanic cell
Sampling Method: Diffusion
Detection Range (Service Range): 0 to 25 vol% (25 to 50 vol%)
Resolution: 0.1vol%
Indication Accuracy*1: Within ±0.5vol% ±1 digit
Alarm Set Value: 1st stage: 19.5vol%; 2nd stage: 18.0vol%
Response Time*2: 20s or less
Gas Detected: Hydrogen Sulfide (H2S)
Detection Principle: Electrochemical cell
Sampling Method: Diffusion
Detection Range (Service Range): 0 to 30.0 ppm (30.1 to 100 ppm)
Resolution: 0-35.0 ppm: 0.1ppm; 35-100ppm: 5ppm
Indication Accuracy*1: Within ±1.5ppm ±1 digit
Alarm Set Value: 1st stage: 10.0ppm; 2nd stage: 15.0ppm
Response Time*2: 30s or less
Display Mode: LCD (Manual backlight)
Alarm Mode: Buzzer sounds, flashing red light, vibrator
Approvals: Ex ib IIB T3 (TIIS)
Function: Remaining battery level, peak hold, memory of peak value, alarm functions except gas alarm (sensor malfunction, remaining battery level, air-adjustment malfunction), gas concentration indication
Operation Temperature: -10 to +40 °C, 30 to 85 %RH (non-condensing)
Operation Air Pressure: Air pressure ±10%
Power Source: 1 x AAA alkaline dry cell (LR03)
Battery Life*3: Up to 5,000 hours (at 20°C without alarm)
Dimensions: W65 x H64 x D22 mm (excluding protrusions)
Weight: Approx. 75g (including batteries)
Standard Accessories: 1 x AAA alkaline dry cell, 1 x safety pin adaptor (with fixing screw)
