Refrigerant leak

Refrigerant Leak Monitor

Unitor fixed leak detector is the natural first choice when you need an economical solution to provide round-the-clock leak detection and monitoring.
Refrigerant leak monitor

Sensors detect ambient refrigerants to levels as low as 100 ppm. (Standard setting 500 & 1000 ppm.)

  • Increase crew safety
  • Reduces environmental impact
  • Help reduce refrigerant consumption

Optional sensors

  • Designed to minimise false alarms from background gases
  • Sensor PCB design with incorporated test points
  • Simple annual maintenance
  • IP66 sensors for high humidity, wash down areas, and fast response
optional sensors


  • Crew Safety: Safeguards crew members from long-term exposure to high levels of refrigerant gas.
  • Cost Saving: Helps reduce costs due to accidental loss of refrigerants from unmonitored leaks
  • Environmentally Sound Solution: Reduces the risks of global warming and damaging the Ozone layer by instantaneous warning of leaks
  • Class Compliant: The leak detection system is compliant with classification societies requirements (LRS, DNV, ABS and more)

Extra Advantages

  • Relatively easy to install, requires no special preparations
  • Economical solution
  • Robust, with no moving parts
  • Low maintenance requirements
  • Can be connected to existing engine room alarm systems
  • Single phase 230V 50/60 Hz (110V on request)
  • Can be recalibrated on board by ships crew


  • No moving parts
  • Inexpensive and long-lasting semi-conductor technology
  • Detects a range of gases including all CFC, HCFC & HFC refrigerants.
  • Can detect multiple refrigerants simultaneously
  • Available as 4 or 6 channel monitor kits (one sensor per channel)
  • 2 level alarm system
  • Low level alarm resets automatically
  • High level alarm needs to be manually reset

The greatest environmental impact from an AC system over its lifetime arises from energy consumption. A leaking system is less efficient and a 10% refrigerant loss increases energy consumption by up to 20%.

Unitor Fixed Leak Detector - Product Nos


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