Single-point level sensor and switch detects the presence of refrigerants at specific points in refrigerant vessels, intercoolers, packaged chillers and other applications. Offered in ammonia refrigerant and halocarbon models byHansen Technologies Corp., the switch can be used to control pumps and solenoid valves, operate low and high level alarms or in computerized monitoring applications. Its low voltage signal output can be used directly with plant computers, PLCs and sold-state relays. Device has a stainless steel probe body and plug-in electronics.
November/December 2000, RS# 213
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