Editorial Reviews:
Product Description
The Liebert OpenComms EM is a compact device designed to monitor temperature, humidity and contact closures and notify personnel when those conditions exceed user-defined limits. The OpenComms EM, which takes up zero U rack space, is available in two models. Both models have two sensor ports and ship with one sensor, permitting the second sensor port to be used for another sensor: contact closure, temperature, humidity or combination temperature/humidity.
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