RKI Instruments

RKI Air Alert Transmitter (R404A) w/AC & 2 Relays

Ships in 6 - 8 weeks
1 Year Warranty
RKI Instruments
RKI Air Alert Transmitter (R404A) w/AC & 2 Relays
1 Year Warranty


RKI Air Alert Stand-Alone R404A Transmitter is a Freon Gas Detector with AC Power and two relays. Wire powered (115-240 VAC) with 4-20 mA analog and RS-485 Modbus outputs. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics.

Please call Customer Service at 800-829-9580 if you have questions in choosing the correct product.

Compatible with AirLink 7010, AirLink 7032, Beacon 110, Beacon 200, Beacon 410, or Beacon 800 Controllers.

Applications: Petrochemical plants, Refineries, Water & wastewater treatment plants, Pulp & paper mills, Manufacturing facilities, Chemical plants

Key Features:

  • Freon (R404A) 0-2000 ppm, Electrochemical
  • 115-240 VAC power standard
  • With power cord & cable grip
  • Operating temperature range of -40°C to +70°C
  • 3 Push-button interface (ADD, MENU, SUB) with 3 corresponding magnetic, non-intrusive switches
  • 2 relays
  • Graphical LCD with LED backlight
  • Output options: 4-20mA (3-wire) analog, RS-485 Modbus
  • 1-Year warranty

Specification Sheet: Specification Sheet

Manual: Manual

Part Numbers:
66-5A64-20-R - 0-2000 ppm

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Additional Information

Country of Origin:
United States
5.00 LBS
5.00 (in)
5.00 (in)
5.00 (in)
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