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Series MP mini-Photohelic® differential pressure switch/gage

Differential pressure switch/gage, range 0-0.5" water.


Item# MP-000

In stock

Lead Time (If not in stock): 4 weeks
Differential pressure switch/gage, range 0-0.5" water. MP-000 MP-000
  • Gage reading unaffected by switch operation and will continue to read pressure even during power loss
  • Visible switch status LED provides indication of set point switching state
  • Compact design but with the power of larger devices can meet the same application specifications

MP-000 Model Options

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Pressure Range
Pressure Type
Pressure Port Size
Accuracy Value
Accuracy Class
Dial Size
Alarm Types (DC/AC)

  • Accuracy ±5% FS @ 70°F (21.1°C). Gage face mounted in vertical position.
  • Electrical Connections Screw type terminal block. Accepts 22-12 AWG wire.
  • Electrical Rating 5 A @ 120/240 VAC resistive; 5 A @ 30 VDC.
  • Mounting Orientation Gage face in vertical position.
  • Power Requirements 24 VDC / 24 VAC 50/60 Hz 4 W.
  • Pressure Limits 30 psig (2.067 bar).
  • Process Connections Barbed for 3/16" ID tubing (STD); 1/8" male NPT (optional).
  • Service Air and non-combustible, compatible gases.
  • Set Point Adjustment Push buttons.
  • Size 4-1/8" (104.78 mm) depth x 3-1/16" (77.79 mm) diameter.
  • Switch Type (2) SPDT relays.
  • Temperature Limits 20 to 120°F (-6.7 to 49°C).
  • Weight 23 oz (652 g).
  • Wetted Materials Consult factory.
  • Standard Accessories (2) mounting screws, (1) .050" hex allen wrench.
  • Compliance CE, cULus.
  • Enclosure Rating Designed to meet NEMA 4X (IP66).

The Series MP Mini-Photohelic® Differential Pressure Switch/Gage combines the time proven Minihelic® II differential pressure gage with two SPDT switching set points. The Mini-Photohelic® switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. Switching status is visible by LED indicators located on the front and rear of the gage. Set points are adjusted with push buttons on the back of the unit.

Product Applications

  • Fume hoods
  • Dust collection
  • Pneumatic conveying
  • Clean room
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