Handheld Oxygen (O2) Concentration Meter 0-25% Electrochemical
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Prices updated: 13 Oct 2026
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About this product
A handheld oxygen concentration meter that measures O2 in the 0 to 25 percent range using an electrochemical sensor. It is used to check oxygen levels in air samples and runs on a 3.7 V lithium battery, with a stated resolution of 0.1 and a basic error of 1.5 percent or less.
Specifications
- Gas detected
- Oxygen (O2)
- Range
- 0 ~ 25%
- Resolution
- 0.1
- Basic error
- Less than or equal to 1.5%
- Recovery time
- Less than 15 s
- Sensor principle
- Electrochemical
- Working temperature
- -10 ~ 50 °C
- Working humidity
- Less than 95% RH, no condensation
- Power
- 3.7 V lithium battery
- Product size
- 181 x 63 x 30 mm
Frequently asked questions
What power source does the meter use?
It runs on a 3.7 V lithium battery, as specified in the listing.
Can it be used in humid conditions?
The working humidity is specified as below 95% RH with no condensation, so avoid environments where moisture can condense on the sensor.
