SR-Series

Gas transmitter for refrigerant gases Cool Guardian

Cool Guardian Refrigerant Leak Detector, characterized by fast response time, low-temperature performance (-40 .. 50°C), and integrated audio and visual alarms, simplifies and facilitates compliance to safety regulations.

  • Complete range of refrigerant gas sensor for different applications
  • Protection degree IP65.
  • Three relays to serve as fault detector, low and high-level alarm triggers
  • Up to 32 devices connectable via Modbus® RTU RS485 interface
  • Calibration and bump test with Seitron Guard app.
  • Built-in audible and visual alarms for an immediate danger warning
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SR-Series
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Applications

Seitron Cool Guardian is designed to be installed in all those industrial and commercial establishments which use air cooling systems.

Some examples are the food, pharmaceutical, chemical and electronic industries, or in the commercial sector, the cold rooms of supermarkets.

In these industries, refrigerant gas detectors help ensure the safety, efficiency and sustainability of processes, while also helping to prevent damage to the environment due to refrigerant gas leaks.

Calibration and Bump Test

Seitron Guard mobile app simplifies configuration, maintenance, and interaction with Cool Guardian gas transmitters:

  • Bump test / Calibration
  • Product Configuration: device renaming for easy locating, alarm thresholds setting and output settings management
  • Maintenance: LED tests, buzzer function and relay control
  • User friendly monitoring 
Technical features
  • Power supply voltage 24 Vac ± 30% or 12 .. 24 Vdc ± 20%
  • Power absorption 5 W
  • Relay outputs 3 x 1A 30 Vac (voltage free)
  • Analog output 4-20mA, 0-5V, 0-10V, 1-5V, 2-10V - configurable via App
  • Modbus® output Via RS485 with Modbus® RTU protocol. Up to 32 connectable devices
  • Protection degree IP65 (With the cables/plugs inserted in the cable glands)
  • Operating temp. -40 .. +50 °C (-40 .. +122 °F)
  • Operating humidity 20% .. 90% RH (non-condensing)
  • Storage temp. -40 .. +50 °C (-40 .. +122 °F)
  • Storage humidity 20% .. 90% RH (non-condensing)
  • Size (W x H x D) 190,14x176,23x112,4 mm (7.5x7x4.4 inch)
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