Dwyer Instruments' Series AT1ADPS Pressume Switches
The Series AT1ADPS Atex-approved adjustable differential pressure switch is designed for pressure, vacuum and differential pressures. The dual-scaled adjustment knob in inches water column and Pascal allows changes to the switching pressure to be made without a pressure gage. It is available with settings from 0.08" w.c. (20 Pa) to 16" w.c. (4000 Pa). It has a silicone diaphragm and PA 6.6. Flame-proof ATEX enclosures are available.