Starting at $1,650.00
  • Usually ships in 7-10 business days



  • Electrochemical Sensor
  • Loop-Powered (2-Wired), 4-20 mA output
  • 3 Character, 7 segment display screen with backlight
  • 3 Push-button interface (ADD, MENU, SUB)
  • Operating temperature range -40°C to +55°C
  • Aluminum device enclosure
  • 303 Stainless-steel sensor housing


The RKI Instruments T2A gas transmitter series toxic gas detector is a versatile assembly that uses an electrochemical sensor to detect a variety of gases. 2-Wire loop-powered to withstand extreme climatic conditions and harsh environments. Magnetic switches allow for nonintrusive calibration while in the field.

Industry application for the T2A include:

  • Petrochemical plants
  • Refineries
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Manufacturing facilities
  • Automotive
  • Semiconductor plants
  • Chemical plants