Ethylene Oxide (ETO) Gas Sensor, 0-100ppm

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$148.73

Competitive price ethylene oxide (ETO) gas sensor for sale. This ethylene oxide gas sensor has a 0-100 ppm measuring range and uses an electrochemical three-electrode system. Gas sensor can handle a maximum load of 200 ppm and has a sensitivity of 250 ±100 nA/ppm. The sensor has 1 ppm resolution, ≤120s response time, and works under 90-110 kPa pressure and -30°C to 50°C temperatures.

SKU: ATO-GS-ETO

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Overview

Ethylene oxide (ETO) gas sensor detects 0-100 ppm with electrochemical technology, 200 ppm max load, 1 ppm resolution, and ≤120s response time. Works in 90-110 kPa pressure and -30°C to 50°C temperatures.

Specification

Model	ATO-S4-ETO
Detection Principle	Electrochemical Three-Electrode
Detected Gas	Ethylene Oxide (ETO)
Detection Range	0-100 ppm
Maximum Load Concentration	200 ppm
Sensitivity	250 ±100 nA/ppm
Zero Drift	0-10 ppm
Resolution	1 ppm
Response Time	≤120s
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/Year
Linearity	Linear up to 200 ppm
Service Life	2 years

Dimension (Unit: mm)

Electrochemical gas sensors size

Crossover Interference

The ethylene oxide (ETO) 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.

Gas	Chemical Formula	CF Factor
Ethylene Oxide	CH₂CH₂O (ETO)	1
Carbon Monoxide	CO	1.6
Vinyl Chloride	C₂H₃Cl	2.5
Methanol	CH₃OH	0.3
Isobutylene	(CH₃)₂C=CH₂	0.9
Ethanol	CH₃CH₂OH	0.8
Formic Acid	HCOOH	1.4
Formaldehyde	CH₂O	0.4

Basic Test Circuit

Gas sensor basic test circuit

Application

Ethylene oxide (ETO) gas sensor can be used in industrial plants, transportation tunnels, energy and electric power, petroleum and petrochemical coal mine tunnel, instrumentation, fruit trees and gardens, farms and pastures, agricultural greenhouses, floriculture, laboratories and so on.

Electrochemical gas sensor applications

Tips: What is ethylene oxide (ETO), and why is it important to detect?

Ethylene oxide (ETO) is a colorless, flammable gas with a sweet odor, widely used in sterilization, fumigation, and chemical production. It is highly toxic and classified as a carcinogen, making accurate gas detection essential in workplaces where ETO is used. Prolonged exposure can cause respiratory issues, eye irritation, and severe health risks, necessitating real-time monitoring to ensure safety and compliance with industrial regulations.

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