Dwyer, 43000B-80MM, Series 43000 Capsu-Photohelic® Pressure Switch Gage, Range 0-80 mm w.c4.7 stars, based on 80 reviews
Easy to adjust set point indicators are controlled by knobs located on the gage face
Individual set point deadband is one pointer width - less than 1 of full scale
Lo-Limit and Hi-Limit Control, Brass Case Capsu-Photohelic 174 Switch/Gage function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic 174 gage design
Set points can be interlocked to provide variable deadband - ideal for control of pumps, etc.
The Capsu-Photohelic 174 switch/gage employs an encapsulated sensing element for use with both liquids and gases at pressures to 500 psig
Two phototransistor actuated, DPDT relays are included for low/high limit control