Chlorine Dioxide (ClO2) Gas Sensor, 0-50ppm

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$148.53

Sell high quality chlorine dioxide (ClO2) gas sensor. This chlorine dioxide gas sensor uses an electrochemical three-electrode system to detect 0-50 ppm with a maximum load of 50 ppm. It has a sensitivity of -600 ±200 nA/ppm and maintains zero drift below 0.3 ppm. The ClO2 sensor offers 0.1 ppm resolution, a ≤60s response time, and operates under 90-110 kPa pressure and -30°C to 50°C temperatures.

SKU: ATO-GS-CLO2

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Overview

Low cost ClO2 gas sensor for detects 0-50 ppm with electrochemical technology, 50 ppm max load, -600 ±200 nA/ppm sensitivity, and <0.3 ppm zero drift. It has 0.1 ppm resolution, ≤60s response time, and works in 90-110 kPa pressure and -30°C to 50°C temperatures.

Specification

Model	ATO-S4-ClO2
Detection Principle	Electrochemical Three-Electrode
Detected Gas	Chlorine Dioxide (ClO2)
Detection Range	0-50 ppm
Maximum Load Concentration	50 ppm
Sensitivity	-600 ±200 nA/ppm
Zero Drift	<0.3 ppm
Resolution	0.1 ppm
Response Time	<60s
Operating Pressure	90 to 110 kPa
Temperature Range	-30°C to 50°C
Humidity Range	15%RH to 90%RH (Non-condensing)
Repeatability	<±2% Signal/Month
Long-term Stability	<2% Signal/Month
Linearity	Linear up to 50 ppm
Service Life	2 years

Dimension (Unit: mm)

Crossover Interference

The chlorine dioxide (ClO2) 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 Used (ppm)	Displayed Value (ppm/ClO₂)
CO	100	0
NO₂	10	14
H₂S	20	-5
H₂	3000	0
Cl₂	10	15
CO₂	5000	0

Basic Test Circuit

Application

Chlorine dioxide (ClO2) gas sensor can be used in industrial plant, medical field, catering industry, petroleum and petrochemical, coal mine tunnel, instrumentation, fruit tree garden, farm and ranch, agricultural greenhouse, floriculture, laboratory and so on.

Tips: What is chlorine dioxide (ClO₂), and why is it important to detect?

Chlorine dioxide (ClO₂) is a yellow-green gas commonly used in water treatment, disinfection, and bleaching processes. While effective for sterilization, ClO₂ is toxic at high concentrations, posing respiratory and eye hazards. Real-time monitoring helps ensure safety in industrial, medical, and environmental applications by preventing overexposure.

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