The Series DM-2000 from Dwyer Instruments Inc.
, Michigan City, IN, is a differential pressure transmitter designed to mount in the same dia. cutout as the company's standard Magnehelic differential pressure gauge. The device senses the pressure of air and compatible gases and outputs a standard 4–20 mA signal. Standard and bidirectional ranges extend down to 0.25 in.w.c. F.S. Features include inherent pressure connections, digital push buttons for zero and span, and an optional LCD.