Dwyer Differential Pressure Gages and Switches
Differential Pressure Gauges and Switches with dial indicators for the difference between two pressures that also have switch outputs. Can also be used for single pressure.
Mini-Photohelic differential pressure switch-gage. Compact and low cost.
Photohelic switch/gage combines differential pressure gage with low/high set-points.
Photohelic Pressure switch/gage 3-in-1 indicating gage, lo-limit and hi-limit control
Capsu-Photohelic Pressure switch gage lo-limit and hi-limit control. Aluminum or brass case.
Photohelic Pressure switch/gage with integral transmitter. Indication gage, low and high limit control, 4-20mA transmitter.
ATEX approved Photohelic switch/gages with 24 VDC power. 3000MR or 3000MRS series in flame-proof ATEX enclosure.
ATEX Approved Photohelic switch/gages with 120, 240 or 24 VAC power. Photohelic switch/gages in flame-proof ATEX enclosures.