Ribble Enviro Ltd.

Specialists in Portable and Fixed Gas Detection

Bacharach MultiZone Refrigerent System


Bacharach's Multi-Zone Gas Monitors offer superior performance, flexibility and functionality for low level continuous monitoring of refrigerants, carbon dioxide and ammonia. The 10 inch / 250 mm infrared sensor enables the Multi-Zone to accurately measure lowest ppm levels. A built-in library of over 50 gases and the scalability of the number of zones facilitate customization of the system. The large graphic LCD display and status LEDs provide a system-wide overview at one glimpse.



The Multi-Zone is not only a leak detection system, but enables refrigerant management of e.g. a whole supermarket. The sooner a loss of refrigerant is detected, the earlier countermeasures can be initiated, resulting in smaller recharge quantities of refrigerants. With the on-board relays and the optional Remote Display, the Multi-Zone fulfills the regulatory requirements as a refrigerant detection system. Using the Modbus interface or analog output, the monitor can be integrated into any BMS/BAS system.

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    • Type 4 to 16 point sampling system using IR sensor technology Gases Refrigerants: CFCs, HFCs, HCFCs, HFOs Natural Refrigerants: Ammonia, Carbon Dioxide Measuring Range * Refrigerants 0 to 10,000 ppm Ammonia 25 to 10,000 ppm Carbon Dioxide 300 to 8,000 ppm Sensitivity * Refrigerants 1 ppm Ammonia 25 ppm Carbon Dioxide 10 ppm Sampling Distance 0 to 1,200 ft. (0 to 365 m) for each sampling point Display Backlit, graphic LCD 160 x 128 pixel; three status LEDs Output Digital Modbus® RTU via RS 485 Analog 4 to 20 mA (optional) Power Supply 100 to 240 VAC, 50 / 60 Hz Relay 3 alarm relays, 1 fault relay, SPDT Rating 5 A @ 250 VAC, resistive load Ambient Conditions Temperature 32 to +122 °F (0 to +50 °C) Humidity 5 to 90 %RH, non condensing Altitude 0 to 6,560 ft (2,000 m) Enclosure Powder-coated aluminum Size (w x h x d) Approx. 13.7" x 12.3" x 5" (350 x 315 x 130 mm) Weight Approx. 15 lbs. (6.8 kg) Approvals CE, UL, CSA, EN 61010-1, EN 61326, EN 14624

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