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Gas Sensor Single Gas Commercial Module Single Gas Industrial Module Dual Gas Industrial Module 4-20mA Smart Gas Sensor Modle PPB Level Module Smart Sensor Detector

ES4-O2 -25%

High sensitivity

No electrolyte leakage

Large quantities of low cost

Separate calibration, including the test report

Preheat time is short

High signal-to-noise ratio

A quick response

 Technical parameters


Detection principle

Solid polymer electrochemical detection technology


0.2±0.03 nA/ppm

Part Number

01-ES4-O2 -25-01

Temperature Range

-20°C to 50°C



Pressure Range

800 to 1200 hPa


1% Lower

Operating principle

amperometric, 3-electrode

Resolution (16Bit ADC)



24 month

Detectable Limit (LDL)


Zero current

40-60 μA in Air

Maximum overload


Warm up time

< 600 s

Long Term Sensitivity Drift

<1 %/month




Contour diagrams


Product Application

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Ningbo AQSystems Technology Co.,Ltd.
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Post Code: 315100
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EC Sense GmbH
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Email: office@ecsense.com