IR-SNIF-MCD

IR-SNIF MCD Multiple Zone Refrigerant Loss Monitor

The Environmental System IR-SNIF-MCD are reliable low cost "Early Warning" loss detection and monitoring systems designed specifically for refrigerants

SenTech IR-SNIF-MCD monitors provide compliance with ASHRAE Standard 15. 

The IR-SNIF-MCD systems are based on an advanced infrared technology that can detect multiple refrigerant types at concentration levels as low as one part per million (PPM). 

Call for additional information on the IR-SNIF series and other SenTech single and multi-zone monitors.

  • Features
  • Allows Compliance with ASHRAE Standard 15
  • Detects all halogen based refrigerants
  • Refrigerant type can be field changed without recalibration
  • Continuous digital display of system status
  • Analog output for remote monitoring
  • System malfunction detection and indication
  • Visual alarm indication
  • Models are available to accommodate sampling points located up to 250 feet (76 meters) from unit
  • Fresh air inlet for automatic rezeroing
  • Individually adjusted alarm points for each gas type being monitored
  • Multizone capability at a modest premium over single zone units
  • MODELS
  • IR-SNIF-MCD1 1 Zone, 3 Alarm levels
  • IR-SNIF-MCD2 2 Zone, 3 Alarm levels
  • IR-SNIF-MCD4 4 Zone, 3 Alarm levels
  • IR-SNIF-MCD8 8 Zone, 3 Alarm levels
  • IR-SNIF-MCD16 16 Zone, 3 Alarm levels
  • Built In Optons
  • 4-20ma analog output
  • Individual zone alarm output relays
  • Custom NEMA 4 Enclosure
  • High volume air draw pump for harsh environments
  • Ethernet interface with web server for remote access
  • Specifications
  • Sensitivity - As low as 1 PPM
  • Weight - 32 lbs, (14.4 Kgs) 
  • Power Requirements  - 120 Volt 60 Hz or 230 Volt 50 Hz 
  • Range - 0 to 1000 PPM
  • Alarm Trip Points
    Low Alarm 0 to 100% of Full Scale
    Main Alarm 0 to 100% of Full Scale
    High Alarm 0 to 100% of Full Scale
  • Operating Environmental Range - 32 - 125 Fahrenheit / 0 - 50 Celsius
  • Alarm Outputs
    Indicator Light
    Alarm Relays with 4 Form C contacts (5 amps maximum)
  • Accessories
  • Combination Horn/Strobe Alarm - 120 vac 60 hz , white light
  • Combination Horn/Strobe Alarm - low voltage 24 vdc, white, amber or blue light
  • Strobe Alarm - low voltage 24vdc, white, amber, blue, green or red light
  • Power Supply - low voltage 24 vdc for low votlage alarms
  • 250ft Roll of 1/4" O D Tubing
  • Remote Reset Switch Assembly
  • Remote PPM Indicator with Reset Switch
  • Remote Hand Auto Switch Assembly - to control external devices in parallel with refrigerant monitor outputs
IR-SNIF-MCD2

Typical Configuration

(for small room with two chillers and two entrances)

IR-SNIF MCD2 Two Zone Refrigerant Monitor
4-20 mA analog output option
ACC 020 Combination Horn Strobe Alarm (Quantity 3)
ACC 030 250 Foot Roll 1/4" FRPE Pneumatic Tubing

IR-SNIF-MCD4

Typical Configuration

(for larger room with two or more chillers and two entrances)

IR-SNIF MCD4 Four Zone Refrigerant Monitor
4-20 mA analog output option
ACC 020 Combination Horn Strobe Alarm (Quantity 3)
ACC 030 250 Foot Roll 1/4" FRPE Pneumatic Tubing

IR-SNIF-MCD8

Typical Configuration

(for Commercial Refrigeration)

IR-SNIF MCD8 Eight Zone Refrigerant Monitor
4-20 mA analog output option
Individual Zone Relay option
ACC 020 Combination Horn Strobe Alarm (Quantity 3)
ACC 030 250 Foot Roll 1/4" FRPE Pneumatic Tubing

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