Spec

• Target gas: Oxygen/Hydrogen sulfide
• Measurement range: Oxygen/0 - 25%, Hydrogen sulfide/0 - 30ppm
• Measurement principle: Oxygen/galvanic battery type, Hydrogen sulfide/controlled-potential electrolysis type
• Gas sampling method: Diffusion
• Display system: Liquid crystal digital display type (with lighting)
• Indication accuracy: ±0.7%O2, within ±5% of full scale (At the time of calibration, under the same environment)
• Alarming value: First alarm…Oxygen/18% or less, Hydrogen sulfide/10ppm or more
• Second alarm… Oxygen/Without, Hydrogen sulfide/30ppm or more
• Alarm method: Lamp/first alarm: Slow flashing, Second alarm: Fast flashing
• Buzzer/first alarm: Slow intermittent sound, Second alarm: Fast intermittent sound
• Vibration/first alarm: Slow intermittent operation, Second alarm: Fast intermittent operation
• Usage environment conditions: Temperature -10 - 40℃, humidity 30 - 90%RH
• Power supply: AAA Alkaline dry cell (2 pieces), 1000 hours or more (except for the time of alarming, at 20℃ or more)
• Dimensions: 70 (W) x 33 (D) x 61 (H)
• Weight: 115g
• Explosion-proof performance: i2G3, certificate number is T62160
• Accessories: 5m extension hose