Nitrogen Dioxide (NO2) Gas Sensor, 0-20ppm

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$149.56

Ex Tax: $149.56

Stock: In Stock
Model: RDDLZ-GS-NO2
Weight: 1.00
SKU: RDDLZ-GS-NO2

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Additional Product Info

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The NO2 gas sensor uses an electrochemical three-electrode system to detect 0-20 ppm, with a 200 ppm max load. Sensitivity is -600 ±150 nA/ppm. Ideal for air quality monitoring, industrial robotics, and urban pollution control.

Specification

Model	RDDLZ-S4NO2-20
Detection Principle	Electrochemical Three-Electrode
Detected Gas	NO2 (Nitrogen Dioxide)
Detection Range	0-20 ppm
Maximum Load Concentration	200 ppm
Sensitivity	-600 ±150 nA/ppm
Zero Drift	0-1 ppm
Resolution	0.5 ppm
Response Time	<30s
Bias Voltage	0 mV
Load Resistance	5-30Ω
Temperature Range	-30°C to 50°C
Humidity Range	15%RH to 90%RH (Non-condensing)
Repeatability	2% Output Signal
Long-term Stability	<2% Signal/Month
Linearity	Linear
Operating Pressure	90 to 110 kPa
Warranty	12 months after delivery
Service Life	2 years

Dimension (Unit: mm)

Crossover Interference

The nitrogen dioxide (NO2) gas sensor also responds to gases other than the target gas. For reference, the response characteristics of the sensor to several common interfering gases are listed in the table below. The data in the table are typical responses of interfering gases at a given concentration.

Interfering Gas	Gas Concentration (PPM)	Displayed Value (PPM/NO2)
CO	400	0
SO₂	5	<3
H₂S	25	<1
Cl₂	11	-2
NO	30	0
C₂H₄	20	0

Basic Test Circuit

Application

The nitrogen dioxide (NO₂) gas sensor is suitable for indoor environmental air quality monitoring, industrial robotics, urban environmental pollution, instrumentation, automotive manufacturing industry, agriculture, forestry and livestock production environment monitoring.

Tips: How does this NO₂ sensor compare to optical or infrared sensors?

Electrochemical NO2 sensors offer higher sensitivity and lower power consumption than optical or infrared sensors, making them ideal for portable and battery-powered applications. However, optical sensors typically have a longer lifespan and lower drift but may not detect very low NO2 concentrations as accurately.

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