【DIGITAL DISPLAY OXYGEN GAS DETECTOR】Easy operate, LCD real-time display. Three Alarm for light, sound and vibration indication. Menu operation interface, battery power real time. There is a kind of essential safety instrument which can continuously detect the oxygen concentration in the working environment 【TECHNICAL DATA】Sensor: Electrochemical Principle; Detection Gas: Oxygen O2; 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: Less Than 15s; Alarm: sound and light alarm; Alarm Point: low alarm point 19.5%VOL; .High alarm point 23.5%VOL. 【WIDE APPLICATION】Oxygen Gas Detector is widely used in metallurgy,power plant, chemical, mine, tunnel, underground pipelines and other places, effective prevention of hypoxia and oxygen poisoning. When air quality is compromised, these devices are used for personal . Examples of hazardous gas environments include confined spaces. 【WATM TIPS!】Tho replacement of batteries, maintenance parts and other operations can only be carried out in a environment. Keep the alarm through the mouth , no foreign objects clogging, otherwise it will to not hear the alarm or alarm information identification. Removing and replacing the battery must be performed in a known, no hazardous environment. 【SATISFACTION GUARANTEE】 We promises every customer a shopping satisfaction, feel to us if you have any questions about your purchase. If you received our product is damaged or other question, please us refund or replacement. Add to cart no longer need to worry about choosing gifts!!! Specification:
Features:
1. brand new and .
2. Appearance of light and novel, easy to carry, easy to operate
3. Menu interface, battery power real time.
4. Sound, light and vibration alarm
5. There is a kind of essential safety instrument which can continuously detect the oxygen concentration in the working environment
6. Widely used in metallurgy,power plant, chemical, mine, tunnel, underground
pipelines and other places, effective prevention of and oxygen poisoning.

Specification:
Condition: Brand New
Model: 803
Sensor: Electrochemical Principle
Detection Gas: Oxygen O2
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: 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 batteries(not included)
Operating Temperature: -10~+50℃
Humidity: 15%-95%(no condensation)
Weight: Approx. 176g / 6.2oz

Package List:
1 * Oxygen Gas Detector

Note:
1. Improper or inappropriate use of the environment may weaken the operating performance of the instrument. For the safest and most effective use of the instrument, please read the following correct operating procedures and safety
2. Please read the manual carefully before any is performed.
3. The window and filter membrane of the sensor must be kept . If the sensor window is blocked or filtered by the water film, it may result in a reading below the actual gas concentration
4. Tho replacement of batteries, maintenance parts and other can only be carried out in a environment.
5. In order to ensure