Electrochemical hydrogen sulfide sensor Amphenol EC4-100-H2S with high sensitivity and fast response

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Product Description

Product Overview

The EC4-100-H2S is an electrochemical hydrogen sulfide (H2S) sensor designed for accurate gas detection. It offers a performance range of 0-100 ppm with a high sensitivity and good linearity. The sensor operates under standard environmental conditions and is RoHS compliant. It is suitable for various applications requiring H2S monitoring.

Product Attributes

  • Brand: SGX Sensortech
  • Model: EC4-100-H2S
  • Label Color: Silver
  • Certifications: RoHS compliant
  • Warranty: 2 years
  • Origin: Registered in England

Technical Specifications

Specification Value
Performance Range 0 - 100 ppm H2S
Maximum Overload 500 ppm H2S
Sensitivity 600 - 1000 nA/ppm H2S
Zero in air at 20 C <0.6 ppm H2S
Resolution 0.1 ppm H2S
Linearity Linear across range
Response time, t90 <35 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 0 V
Storage Life 6 months in original packaging (0 - 25 C)
Weight 5 g approx.
Dimensions See outline

Cross-Sensitivity Data

Gas Concentration (ppm) Sensor Response (As ppm H2S)
Carbon Monoxide 300 <1.5
Sulfur Dioxide 5 <1
Nitric Oxide 35 <0.7
Nitrogen Dioxide 5 <-1
Hydrogen 100 0

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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