Digital Display Oxygen Gas Leak Detector specification as follow
Sensor: Electrochemical Principle
Detection Gas: Oxygen 02
Temperature Measurement: Ambient Temperature
Display Unit: O2: %VOL
Temperature: ?/?
Range: O2: 0~25%VOL
Temperature: -15~50?
Resolution: O2: 0.1% VOL
Temperature: 0.1?-0.1?
Response Time: T 90 Less Than 15s
Alarm: sound and light alarm
Alarm Point: low alarm point 19.5%VOL
High alarm point 23.5%VOL
Battery Type: 3 * AAA/7 alkaline batteries
Operating Temperature: -10~+50?
Operation Humidity: 15%-95%RH (no condensation)