The makers of the 90EP Adjustable Electronic Pressure Switch say it is ideal for a number of ind-ustrial applications, including hvacr. It allows factory set switching points or manually set switching points with a PIN for security. It can also electronically interface with main hosts and actuators. Pressure ranges are 0-75 and 0-30,000 psi with the option of one or two relays.

Texas Instruments Inc., Sensors and Controls Division, 888/438-2214; fax 508/236-2349; www.tisensors.com.

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