Michigan City, Ind. -The stainless-steel Mark 1 Position Indicator from Proximity Controls employs a patented magnetic coupling that totally isolates its switches and/or transmitter from the surrounding atmosphere. Housing is 304 SS or 316 SS-both housing and visual indicator are also available in polished stainless steel. The indicator's two adjustable windows (56°/w 90° fixed) show open, closed, and degrees in 5° increments on the inner drum, which is adjustable in increments of 15° over the range of 360°. It is designed to meet NEMA classifications 1,2,3,3R 3S, 4,4x, 6,6P, 7,9,12, and 13. Current demanding applications include oil tankers and clean rooms.
Dwyer Instruments Inc.