Process Controls Corporation - RKI Instruments

The T3A Gas Detector is a fixed systems gas detection transmitter used for ambient air hazardous gas detection in industrial facilities.

It supports electrochemical, infrared, or catalytic bead sensor elements, allowing the unit to be configured for a range of gas detection requirements within compatible fixed gas detection systems.

Designed for wired installation, the T3A Gas Detector operates on 12 to 35 VDC power and includes standard 4-20 mA analog and RS-485 Modbus outputs.

Process Controls Corporation - RKI Instruments T3A Gas Detector

Its LCD display, push-button interface, magnetic non-intrusive switches, configurable alarm settings, and optional relay outputs support field setup, calibration, and system integration in demanding industrial environments.

Key Characteristics

  • 3-wire explosion proof transmitter for fixed systems gas detection
  • Electrochemical, infrared, or catalytic bead sensor options
  • 12 to 35 VDC wired power with standard 4-20 mA analog and RS-485 Modbus outputs
  • LCD display with LED backlight and front-panel LED indicators
  • Magnetic non-intrusive switches for field calibration, settings, and diagnostics
  • Two individually configurable alarm settings with optional programmable alarm relays

Ideal Applications

  • Petrochemical Plants & Oil Refineries: Monitors for explosive gases (like Methane or Propane) and toxic byproducts (like Hydrogen Sulfide).
  • Water and Wastewater Treatment: Measures hazardous gases like Chlorine, Ozone, and Hydrogen Sulfide generated during treatment processes.
  • Chemical Plants: Detects leaks of volatile organic compounds (VOCs) and highly reactive process gases.
  • Pulp and Paper Mills: Protects workers by monitoring Sulfur Dioxide and other toxic gases created during manufacturing.
  • Manufacturing Facilities: General workplace safety by ensuring breathing air remains safe and oxygen levels stay stable.

Product Family Includes

  • T3A Gas Detector fixed systems gas detection transmitter
  • Sensor configurations for combustible, oxygen, and selected toxic gas detection applications
  • Analog and digital output options for integration with Beacon controllers, DCS systems, and PLC systems
  • Optional remote sensor kit configurations based on sensor type and installation requirements

Industries Served

  • Petrochemical Plants
  • Refineries
  • Water & Wastewater Treatment Plants
  • Pulp & Paper Mills
  • Manufacturing Facilities
  • Chemical Plants
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