Refrigerant level sensors

Refrigerant level sensors detect the presence of refrigerants at a specific point in refrigerant vessels, intercoolers and packaged chillers. Previously available only for ammonia, the single-point sensors and switches have now been developed for R-22, R-134a, R-404A and R-507.

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Refrigerant level sensors detect the presence of refrigerants at a specific point in refrigerant vessels, intercoolers and packaged chillers. Previously available only for ammonia, the single-point sensors and switches have now been developed for R-22, R-134a, R-404A and R-507. Devices can be used to control pumps and solenoid valves; operate low- and high-level alarms; or send signals to plant computers for level monitoring and control. The low-voltage signal output can be used directly with plant computers, programmable-logic controllers and solid-state relays. (Hansen Technologies Corporation) Circle 17