1. [WIDE APPLICATION] This handheld O2 meter is suitable for various environments such as factories, homes, offices, and public places.
2. [EASY TO USE] The large LCD backlit display allows for easy reading in the dark, saving you effort.
3. [PORTABLE & LIGHTWEIGHT] Take this portable and lightweight monitor anywhere to detect O2 levels, temperature, and switch between ℃/℉ units.
4. [ACCURATE DETECTION] Get quick response gas detection with sound and light alarm instructions for peace of mind.
5. [HIGH MEASUREMENT ACCURACY] Utilizing electrochemical principle measurement, this detector provides precise readings with features like battery indicator, alarm value setting, and adjustable volume.

Spec:
Item Type: Oxygen Detector
Material: ABS
Model: AR8100
Battery: Lithium battery 3.7V 1000mAh (built in battery)
Uses: Widely used in factories, homes, offices and public places.
Support Language: English
Alarm: Audio and light
Working Time:> 90h
Working Temperature: -10-50℃
Measuring Range: 0~30%
Resolution: 0.1%
Accuracy: Response Time: Recovery Time: Sample Mode: Electrochemical principle

PackageList:
1 x Oxygen Detector
1 x USB Cable
1 x Manual

Notice:
The influence of oxygen deficient and oxygen enriched ambience
Oxygen concentration (%) Symptoms (atmospheric pressure)
100% fatal, 6 minutes (absolutely closed environment, such as hyperbaric oxygen chamber)
50% is fatal and can be cured after 45 minutes of treatment. (Absolutely closed environment, such as hyperbaric oxygen chamber)
>23.5% oxygen enriched
20.96% normal
19.5% minimum
15~19% reduces efficiency, causing problems in the head, lungs and circulatory system
10~12% Shortness of breath, loss of judgment, purple lips
8~10% treatment failed, syncope, coma, , nausea and vomiting
6~8% 8 minutes, low , rapid heartbeat, mouth breathing, stop breathing quickly
4~6% 40 seconds, convulsions, respiratory arrest, death