The G.R.I. 2826 Sensor was designed in response to a direct request for a small electronic sensor capable of detecting non-volatile liquids in remote hard to reach locations. The sensor, in conjunction with your favorite wireless transmitter, can be used to detect and report the encroachment of non-volatile liquids into an isolated sensitive location.Detects Non-Volatile LiquidsFor Use With Wireless TransmittersMicroprocessor ControlledInstalls Easily?C? Form Relay Contacts