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Function: gas detected: CH₄, O₂, CO, toxic gas
Measure range:
CH4: 0 ～100%LEL; Resolution: 1%LEL
O2: 0-30%VOL; Resolution: 0.1%VOL
CO: 0-1000ppm; Resolution: 1ppm
Response time (T90): ≤30/60/180 s
Accuracy: ≤±5%FS
Repeatability: ≤2%FS
Sampling method: diffusion
Battery: rechargeable Li-battery 1800 mAh, nominal voltage 3.7 V
Continuous operation: ≥9 h
Charging time: 4–6 h
Alarm method: sound, LED light, vibration
Sound intensity: ≥90 dB
Display: TFT color display screen
Button: 3 (UP, DOWN, ENTER)
Ingress protection: IP66
Operating temperature: -20°C to +60°C
Operating humidity: 10–95%RH non-condensing
Operating pressure: 80–120 kPa
Body material: PC+ABS
Weight: 200 g
Dimensions: 66 × 127 × 46 mm
Certificate: Ex idb II CT4 Gb
