Infrared Refrigerant Transmitter - ART

• Gases Detected: Refrigerants CFCs, HCFCs, HFCs, HFOs
• Sensor Range: 0 - 3500 ppm
• System Power: 24 VDC/VAC, 3 or 4-wire
• Operating Temperature​: -30°C to 40°C (-22°F to 104°F)​
• Operating Humidity​: 5 - 90% RH non-condensing​
• Response Time T90​: < 5 minutes​
• Analog output: 4-20 mA, 0-5V, 1-5V, 0-10V, 2-10V

  • Model Number: ART
  • Data Sheet: Date Sheet File
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  • Infrared Refrigerant Transmitter
  • Infrared Refrigerant Transmitter
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Product Specification

ART Infrared Refrigerant Transmitter Description
The ART gas detector is a state-of-the-art, fixed, non-dispersive infrared refrigerant transmitter used to detect a wide range of refrigerant gases. The fast-responding sensor accurately detects refrigerant gas leaks without cross interference from other gases. It can be used as a stand alone system or integrated into a building management system (BMS). 

The ART can be connected to a gas detection system using analog output wiring or Modbus® network communications wiring. It is compatible with the QCC Quad Channel controller and the FCS Flexible Control System controller as either an anlog or digital transmitter.

ART Infrared Refrigerant Transmitter Key Features
• Long life, non-dispersive infrared refrigerant sensor allows for accurate, low level leak detection with no cross interferences from other gases
• One relay
• Detects a wide range of refrigerants
• No f eld calibrations required
• Modbus® RTU interface to connect to BAS/BMS systems
• On-board alarm relay
• Bright, alpha-numeric, LED display with visual and audible alarms
• User selectable, analog output: 4-20 mA, 0-5V, 1-5V, 0-10V, 2-10V
• RoHS compliant circuit boards

ART Infrared Refrigerant Transmitter Applications
• Supermarkets/Convenience Stores
• Refrigerated Mechanical Rooms
• Commercial Chiller Equipment Rooms
• Food Storage/Processing Facilities
• and many more

ART Infrared Refrigerant Transmitter Technical Specifications

Calibrated to Target Gas Types
R22, R32, R123, R134a, R404a, R407a, R407c, R407f, R410a, R427a, R448a, R449a, 
R507, R422a, R422d, R452a, R513a, HFO1234YF, HFO1234Ze, HFO1233ZD


ABS (UL94V-0 rated)
180 g (0.40 lbs) (6.3 oz)
102 mm x 140 mm x 38 mm / 4.0" x 5.5" x 1.5"

Power Requirement
24 VDC @ 0.15 A min
24 VAC, 5VA min @ 50 - 60 Hz, 2.5 W max
Modbus® RTU over RS-485
Baud rate:
9,600 or 19,200 (selectable)
Start bits:
Data bits:
none, odd, even (programmable)
Stop bits:
1 or 2 (programmable)
Retry time:
500 ms (minimum)
End of msg:
silent 3.5 characters

Input / Output
Analog Outputs
4 - 20 mA; 0 - 5 V; 0 - 10 V; 1 - 5 V ; 2 - 10 V
One relay rated 1 A @ 24 VAC / VDC (0.5A, 125V AC UL rating)

Non-dispersive Infrared
0 - 3,500 ppm
Response Time T90
< 5 minutes

User Interface
Green LED Power ON indicator and bright, alpha-numeric LED real-time display
Visual Alarm
Red 4-digit LED display
Fault Monitoring
Fault codes presented to user
Audible Alarm
Internal buzzer; enable / disable
Alarm Delay
Selectable; 0 - 15 minutes

Operating Temperature
-30°C to 40°C (-22°F to 104°F)
5 - 90% RH non-condensing

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