Spec

• Measurement Principle/Air Gathering System/Dimensions/Weight: Battery Type/Diffusion Type/48 (W) 37 (D) x 105 (H) mm (Including Protrusion)/Approx. 110 g (Including Battery/Sensor)
• Buzzer Volume/Explosion-Proof/Structure: Approx. 95db (at a distance of 10 cm)/Essential Safety Explosion-Proof Structure Ex ia IIC T3 Ga Passing Number: TC No. 22573/Dust-Proof Droplet Proof Structure (Equivalent to IP 64)
• Measurement Range/Indicated Accuracy/90% Response Time/Display System: 0.0~25.0%(Service coverage: 25.1~42.0%; more than 42.0% shows HI)/±0.5% (Oxygen Concentration)/within 15 seconds (at 20°C)/Minimum Scale: 0.1%
• Alarm value (initial setting)/Alarm value setting range/Alarm system: Acid shortage alarm: 18.0% or less Oxygen concentration excess alarm: OFF/Acid shortage alarm: 18.0% to 19.5% Oxygen concentration excess alarm: 23.0~25.0% (0.5% unit can be set within the range)/Buzzer, LED lamp flashing, indicator lighting, vibration, automatic return type
• Power supply/Continuous service time/Other functions: 1 AAA alkaline battery (LR03, manufactured by Panasonic Corporation)/4,000 hours or so (when there is no alarm)/Automatic sensor check, automatic circuit operation check, battery replacement warning, measures against radio wave and static electricity damage
• Number of units: 1