DWYER – Series MP Mini-Photohelic® Differential Pressure Switch/Gage

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Description

Series MP Mini-Photohelic® Differential Pressure Switch/Gage

Compact, Low Cost Switch/Gage

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.

NIST CALIBRATION available in Product Configurator.

 

Product Applications

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

 

Specifications

 

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

 

Features

  • 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

 

Models & Ordering

 

Inches of Water

Model Description
MP-000 Differential pressure switch/gage, range 0-0.5″ water.
MP-001 Differential pressure switch/gage, range 0-1.0″ water.
MP-002 Differential pressure switch/gage, range 0-2.0″ water.
MP-003 Differential pressure switch/gage, range 0-3.0″ water.
MP-005 Differential pressure switch/gage, range 0-5.0″ water.
MP-010 Differential pressure switch/gage, range 0-10″ water.
MP-020 Differential pressure switch/gage, range 0-20″ water.

 

MM of Water

Model Description
MP-100MM Differential pressure switch/gage, range 0-100 mm water.
MP-25MM Differential pressure switch/gage, range 0-25 mm water.
MP-50MM Differential pressure switch/gage, range 0-50 mm water.

 

Pascals

Model Description
MP-125PA Differential pressure switch/gage, range 0-125 Pa.
MP-250PA Differential pressure switch/gage, range 0-250 Pa.
MP-500PA Differential pressure switch/gage, range 0-500 Pa.

 

Kilopascals

Model Description
MP-125PA Differential pressure switch/gage, range 0-125 Pa.
MP-250PA Differential pressure switch/gage, range 0-250 Pa.
MP-500PA Differential pressure switch/gage, range 0-500 Pa.

 

 

 

 

 

Additional information

Model

MP-000, MP-001, MP-002, MP-003, MP-005, MP-010, MP-020, MP-100MM, MP-25MM, MP-50MM, MP-125PA, MP-500PA, MP-1KPA, MP-3KPA

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