Net Safety Millennium II Single (M21) Channel Transmitter

Reliable Fixed Gas Detection with Universal Sensor Support

The Millennium II (M21) Single Channel Transmitter has been engineered from the ground up to deliver the innovative features that industrial operators demand—providing stable, accurate, day-to-day performance even in the harshest conditions. With its rugged design, universal compatibility, and intuitive OLED display, the M21 sets a new benchmark in single-point gas detection.

Key Features:

  • Single Channel, Universal Design: Supports a wide variety of toxic and combustible gas sensors, ideal for single-point detection applications.
  • Sensor Compatibility: Fully compatible with Net Safety SC3 and ST3 series sensors, including electrochemical, catalytic bead, and infrared technologies.
  • Smart Sensor Recognition: Sensors arrive pre-calibrated and are automatically recognized by the transmitter, which uploads the correct gas curve and configuration profile.
  • Advanced Display: The only full-character graphic OLED display available in this class—clear and readable in any lighting.
  • Long-Range Sensor Separation: Supports remote sensor installation up to 2,000+ ft (600 m) away, providing maximum flexibility in hazardous locations.
  • Digital Communications: Ensures fast and stable communication between sensor and transmitter for reliable, real-time detection.
  • Easy-To-Use Interface: Menu available in English, French, Portuguese, and Spanish, with a simple setup and calibration process that doesn’t require a manual.
  • Flexible Protocols: Seamlessly integrates with both legacy and modern systems using analog, relay, Modbus® RS485 RTU, and HART® protocols.
  • Low Power Consumption: Operates efficiently, reducing system load and maximizing compatibility in remote or power-limited installations.
  • Field-Proven Reliability: Uses robust sensor technology designed to withstand contamination, misalignment, and extreme environments—ideal for industrial safety.

Available: BC, AB, SK, MB


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Description

Applications:
Perfect for use in oil & gas, chemical processing, mining, utilities, and industrial manufacturing, where accurate, reliable gas detection is critical to safety.

Why Choose Westech Industrial?
Westech Industrial is the exclusive distributor and authorized service provider of Net Safety products in Canada. Our team delivers technical expertise, hands-on support, and tailored gas detection solutions to meet your site-specific safety requirements.

🔧 Need Help Choosing the Right Sensor or Setup?
Contact Westech Industrial today to speak with a gas detection specialist or to request a quote.

Documents

Emerson_Net Safety_Millenium 2 single channel_Spec sheet_July 2016_Westech.pdf

Emerson_Net Safety_Millenium 2 single channel_Manual_May 2019_Westech.pdf

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

Manufacturer info

No matter how extreme or demanding the conditions, your people and facilities come first. That is why Emerson is dedicated to offering the most comprehensive and advanced flame and gas detection technologies available. Our flame and gas monitoring systems are designed to excel under the toughest conditions to help you streamline day-to-day operations and, more importantly, keep your people safe.

Website: https://www.emerson.com