Ethylene Oxide Detection Sensor Amphenol EC4-100-ETO with Calibration Capability and RoHS Compliance

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Product Description

Product Overview

The EC4-100-ETO is an Ethylene Oxide Electrochemical Sensor designed for performance measurement using Carbon Monoxide. It offers a measurement range of 0-100 ppm with a sensitivity of 440-1080 nA/ppm. This sensor features a fast response time (t90

Product Attributes

  • Brand: SGX Sensortech
  • Model: EC4-100-ETO
  • Label Colour: Silver
  • Certifications: RoHS compliant
  • Origin: Registered in England
  • Warranty: 2 years
  • Storage Life: 6 months in original packaging (0 - 25 C)

Technical Specifications

Specification Value
Performance Range (CO) 0 - 100 ppm
Sensitivity 440 - 1080 nA/ppm
ETO Zero in air at 20 C -200 to +2500 nA
Resolution 1 ppm
Linearity Linear across range
Response time, t90 <45 s
Long-term output drift <2% signal/month
Operating Temperature Range -20 to +50 C
Operating Humidity 15 - 90% RH (non-condensing)
Pressure Range 90 - 110 kPa (nominal)
Applied Potential +300 mV
Weight 5 g approx.
Dimensions See outline

Cross-Sensitivity Data (Reference Only)

Gas Concentration (ppm) Sensor Response (As ppm CO)
Carbon Monoxide 100 100
Ethylene Oxide 100 1056
Ethanol 100 325
Methanol 100 800
Propan-1-Ol 100 207
Butan-1-ene 100 279
1,3 Butadiene 100 915
Ethene 100 342
Propene 100 310
Vinyl Chloride 100 113
Vinyl Acetate 100 511
Formic Acid 100 167
Formaldehyde 100 715
Acrylonitrile 100 113

Important Note: Do not solder to the connector pins as this may damage the sensor and thereby invalidate the warranty. Details on recommended connector pins can be found in the Frequently Asked Questions within the Gas Sensor section of the SGX website.


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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person Coral

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