Net Safety Millennium II ST3 XChem Toxic Gas Sensors

High-Specificity Electrochemical Sensors for Accurate Toxic Gas Detection

The Net Safety Millennium II ST3 XChem Series delivers fast, reliable toxic gas detection using advanced electrochemical sensing technology. Designed for integration with the Millennium II M21, M22, and M2B Universal Gas Transmitters, these sensors provide long life, precise gas specificity, and superior performance in extreme industrial environments.

With features like sensor end-of-life diagnostics, SimpleClick plug-and-play design, and field-selectable gas ranges, the ST3 XChem sensors simplify installation, enhance uptime, and reduce total lifecycle costs for toxic gas monitoring applications.

Key Features:

  • Universal Transmitter Compatibility: Seamlessly integrates with Net Safety M21, M22, and M2B transmitters for flexible system configuration.
  • SimpleClick Plug-and-Play Design: Pre-calibrated at the factory and automatically recognized by the transmitter, minimizing setup time.
  • Sensor End-of-Life Diagnostics: Built-in diagnostics monitor sensor health and issue alerts when replacement is needed—helping to ensure ongoing safety and compliance.
  • Triple Electrode Design: Enhanced sensor life and performance through robust sensing, reference, and counter electrodes.
  • Field-Selectable Gas Ranges: Customize the sensor’s detection range on-site based on the application requirements.
  • Extreme Environment Ready: Designed to withstand industrial conditions such as humidity, temperature variation, and gas interference.
  • Long-Range Separation: Supports remote sensor placement up to 2,000 ft (600 m) from the transmitter via digital communication.
  • Low Power Consumption: Optimized for energy efficiency, reducing load on power-limited systems.
  • Advanced Environmental Immunity: Humidity control, temperature compensation, and hydrophobic barrier ensure stable and accurate readings in harsh environments.

Available: BC, AB, SK, MB


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Description

Sensor Types & Gases Detected:

  • ST3 XChem sensors are available for a wide variety of toxic gases, including (but not limited to):
  • Hydrogen Sulfide (H₂S)
  • Carbon Monoxide (CO)
  • Nitrogen Dioxide (NO₂)
  • Ammonia (NH₃)
  • Sulfur Dioxide (SO₂)
  • Chlorine (Cl₂)

Please contact Westech Industrial for a full list of available sensor configurations.

Applications:

Perfect for use in refineries, chemical plants, water and wastewater treatment, mining, pulp and paper, and power generation—anywhere reliable toxic gas monitoring is essential for worker and process safety.

Why Choose Westech Industrial?

Westech Industrial is your authorized distributor for Net Safety toxic gas detection products in Canada. We offer expert consultation, custom system design, and local support to keep your operations safe and compliant.

🔧 Need Help Selecting the Right Toxic Gas Sensor?

Contact Westech Industrial to speak with a gas detection specialist or request a quote.

Documents

Emerson_Net Safety_ST3 XChem_Data sheet_Dec 13, 2019_Westech.pdf

Emerson Net Safety-FGD-BRO-Safety-Monitoring_Westech_Sept_10_2020.pdf

 

Manufacturer info

Emerson concentrates on the most complex and profound challenges facing the world in the process, industrial, commercial and residential markets. We refocused our business portfolio to deliver solutions that bring greater value to our customers. Learn how we’ve transformed and why.

https://www.emerson.com