Both units measure 0-to-5 and 0-to-15 psi and include … - in. - NPT male and 7/-20 UNF male fittings. They also offer assorted cable lengths with conduit fittings or a Hirschmann DIN 43650A. The AST43LP is UL/cUL 1604 (CSA 213) Class 1 Div. 2 Groups A, B, C, and D listed and is recommended for use in hazardous areas. The AST44LP is intended for intrinsically safe areas. It carries UL/cUL 913 (CSA 157) and is rated for Class 1 Div. 1 Groups C and D when installed with an approved barrier.

American Sensor Technologies Inc., 450 Clark Dr., Mt. Olive, NJ 07828, (973) 448-1901, astsensors.com

Low-pressure transmitters