Product Overview

The Gas Detection Controller (4-Channel) provides centralized monitoring and alarm control for industrial gas detection systems. Designed to support up to four 4–20 mA sensors or transmitters, it combines real-time LCD monitoring, configurable alarm levels, programmable relays, and Modbus® connectivity in a single control platform.


Built for integration into demanding industrial environments, the controller offers multiple enclosure configurations, expandable alarm outputs, and flexible communication options for connection with PLCs, DCS systems, PCs, and other compatible devices.

Product Description

A flexible multi-channel controller for gas detection and process monitoring. Supports up to four 4–20 mA sensors or transmitters, wireless transmitters, configurable alarms, relay outputs, and Modbus® communication.

Features:

  • Up to 4 sensor/transmitter inputs
  • 3 adjustable alarm levels per channel
  • Graphic LCD with 30-minute trend display
  • Two programmable 5 A SPDT relays standard
  • RS-485 Modbus® master/slave communication
  • Supports up to 128 Modbus® devices
  • Push-button zero/span calibration
  • Lockable configuration settings
  • Touch and magnetic keypad operation
  • Non-volatile configuration memory

Enclosure Options:

Non-metallic • Epoxy-coated steel • 316 stainless steel • NEMA 4X • NEMA 7 explosion-proof

Available Options:

Additional relays • 4–20 mA outputs • Event logging • Strobe lights • Audible annunciators • 50 W / 120 W power supplies

Certification:

CSA C22.2 No. 152 • Class I, Division 2, Groups A, B, C & D

Key Features

  • 4-Channel Monitoring
  • Advanced Alarm Control
  • Modbus® Connectivity

Common Applications

Industrial Gas Detection

Centralized monitoring of combustible and hazardous gas sensors across industrial environments.

Process & Facility Monitoring

Monitor multiple sensor points used in production areas, equipment rooms, storage areas, and process systems.

Safety & Alarm Integration

Integrate gas detection with PLCs, DCS systems, audible alarms, strobes, and other facility safety equipment via relays and Modbus® communication.

Handling & Storage

Protect from Impact
Handle carefully during transport and installation to prevent damage to the enclosure, display, and internal electronics.


Keep Clean & Dry

Store in a clean, dry environment and protect from excessive moisture, dust, and contaminants when not installed.


Follow Enclosure Rating

Install and store according to the selected enclosure rating and applicable environmental requirements. Avoid exceeding the manufacturer’s specified operating and storage conditions.

Safety Notes

Installation, wiring, calibration, and servicing should be performed by qualified personnel in accordance with manufacturer instructions and applicable electrical and hazardous-location requirements. Disconnect power before servicing and verify all sensors, alarms, and connected safety devices are functioning properly before operation.

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