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Add the Indicating Type Differential Pressure Switch with Bellows Element P640 Series to your store or catalog  
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Wise Differential Pressure Switch, P640 Series

Indicating Type Differential Pressure Switch with Bellows Element P640 Series

Brand: Wise Control Inc
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The P640 series are designed to measure differential pressure from 25 kPa to 2.0 MPa at static pressure 10 MPa and have electrical contact.

A set of two stainless steel bellows mounted on a force balance allows direct reading of the actual differential pressure.

Specifications

Brand

Accuracy

  • ± 1.5 % of Full Scale
  • ± 1.0 % of Full Scale

Case & Cover

  • ALDC12.1, Black Painted Screwed Typical

Conduit Connection

  • 3/4" PF (°F)

Contact

  • DC 250 V 0.2 A / 125 V 0.4 A / 30 V 4 A
  • Dielectric Strength: AC 500 V/MIN
  • Contact Rating: AC 250 V 3 A / 125 V 5 A
  • Typical: Micro Contact, One & Two SPDT

Degree of Protection

  • EN 60529 / IEC 529 / IP65

Dial

  • White Aluminum with Black Graduations

Element

  • 316L Stainless Steel, Monel & Hastelloy C
  • Bellows

Filling Liquid for Differential Cell

  • Silicone Oil

Nominal Diameter

  • 150 mm

Options

  • 3-Way Manifold Valve (316 Stainless Steel, Monel)
  • 5-Way Manifold Valve (316 Stainless Steel, Monel)
  • Mounting Bracket with 316 Stainless Steel for 2" Pipe
  • Remote Seal - Not Available with less than 40 kPa of Differential Pressure Range

Pointer

  • Black Painted Aluminum Alloy (Zero Adjustable)

Pressure Connection

  • 316L Stainless Steel, Monel & Hastelloy C

Process Connection

  • 1/2" NPT Female at 3-Way & 5-Way Manifold Valve
  • 1/4" NPT Female

Scale Range (MPa, KPa, bar, Mbar)

  • 0 to 0.4 MPa to 0 to 2.0 MPa (P642 Model)
  • 0 ~ 25 kPa to 0 ~ 0.25 MPa (P641 Model)

Standard Accessories

  • Mounting Bracket for 2" Pipe Mounting with Silver Gray Finished Steel

Static Pressure

  • Maximum

Temperature Effect

  • ± 0.5 % Per 10° C of Full Scale
  • Accuracy at Temperature Above & Below the Reference Temperature (20° C) Will be Effected by Approximately

Window Material

  • Safety Glass

Working Temperature

  • Ambient: -20° to 65° C
  • Fluid: Max.

Documentation

Data Sheets

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