Oxygen and gas leak detector with blue digital display 803, 10 + 50 ℃

Features:

1. 100% brand new and high quality.
2. Lightweight and novel appearance, easy to carry, easy to use.
3. Menu operation interface, real-time battery power.
4. Audible, visual, and vibrating alarm.
5. It is a kind of essential safety instrument that can continuously detect the oxygen concentration in the work environment.

Specifications:

Features:
1. 100% brand new and high quality.
2. Lightweight and novel appearance, easy to carry, easy to use.
3. Menu operation interface, real-time battery power.
4. Audible, visual, and vibrating alarm.
5. There is a kind of essential safety instrument that can continuously detect the oxygen concentration in the work environment
6. Widely used in metallurgy, power plants, chemicals, mines, tunnels, underground pipelines, and other places, effectively preventing hypoxia and oxygen poisoning.

Specification:
Condition: 100% Brand New
>Model: 803
Sensor: Electrochemical Principle
Sensing 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: T90 less than 15 s
Alarm: Audible and visual alarm
Alarm point: Low alarm point 19.5% VOL
High alarm point 23.5% VOL
Battery type: 3 AAA/7 alkaline batteries (not included)
Operating temperature: -10~+50℃
Operating humidity: 15% to 95% RH (non-condensing)
Weight: Approx. 176g / 6.2oz

Package list:
1 * Oxygen gas detector

Note:
1. Incorrect operation or use in an inappropriate environment may impair the instrument's performance. For the safest and most efficient use of the instrument, please read the following correct operating procedures and safety instructions.
2. Please read the user manual carefully before any operation.
3. The sensor window and filter membrane must remain clean. If the sensor window is blocked or filtered by a film of water, this may result in a reading lower than the actual gas concentration.
4. Battery replacement, maintenance parts, and other operations may only be performed in a controlled environment.
5. To ensure the safety and proper use of the instrument, its operation and maintenance may only be performed by qualified personnel.
6. Every day before use, please check the instrument's accuracy in fresh air to ensure that the measurement error is within the permissible range. If it exceeds the permissible error range, the instrument must be calibrated.
7. Keep the alarm in your mouth; no foreign objects should obstruct it, otherwise the alarm will not be heard or the alarm information will not be identified.
8. Battery removal and replacement must be carried out in a known and safe environment.