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  • -40° to 54°C (-40° to 129°F) operating temperature
  • Output Options:
    • 900 MHz or 2.4 GHz radio
    • 4-20mA (3-wire) analog
    • RS-485 modbus (4 wire)
  • 3 Push-button interface (ADD, MENU, SUB)
  • Graphical LCD with LED backlight
  • Two individually configurable alarms
  • Two front panel LED indicators (amber and red)
  • Hazardous location approvals:
    • Class I, Division 1&2, Groups B,C&D
    • Nema 3,4,4X,7(B,C,D)9(E,F,G) - Enclosure only
  • 1-Year warranty


The RKI Instruments AirLink VOC Pro PID Wireless Gas Detector is a versatile transmitter with explosion proof housing. It uses a PID sensor to detect a variety of gases and is wire powered (12 to 35 VDC) with wireless communication to an RKI wireless controller. It also has a 4-20 mA analog and RS-485 Modbus outputs are standard. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics.

PID sensor options:

  • 10.0 eV lamp
  • 11.7 eV lamp
  • 10.6 eV Lamp, High PPM Range PID
  • 10.6 eV Lamp, Low PPM Range PID

Example Applications:

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