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.
 | Series MP Mini-Photohelic differential pressure switch-gage. Compact and low cost. |  | Series 3000MR/MRS Photohelic switch/gage combines differential pressure gage with low/high set-points. |
 | Series A3000 Photohelic Pressure switch/gage 3-in-1 indicating gage, lo-limit and hi-limit control | | Series 43000 Capsu-Photohelic Pressure switch gage lo-limit and hi-limit control. Aluminum or brass case. |
| Series 3000SGT Photohelic Pressure switch/gage with integral transmitter. Indication gage, low and high limit control, 4-20mA transmitter. |  | Series AT223000MR/MRS ATEX approved Photohelic switch/gages with 24 VDC power. 3000MR or 3000MRS series in flame-proof ATEX enclosure. |
 | Series AT3A3000 ATEX Approved Photohelic switch/gages with 120, 240 or 24 VAC power. Photohelic switch/gages in flame-proof ATEX enclosures. |