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SENPRO Sensortechnik GmbH Unsere Produkt-Bereiche Products Pressure Relative and differential pressure switch DW
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Relative and differential pressure switch DW

Differential pressure switch with switching output

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  • Dimensional drawing
  • Anschluss Schaltbild

Application

Suitable for flow monitoring in sanitary and heating systems or for level control in general process engineering, also for slightly aggressive liquids and gases. The functionally simple, extremely robust mechanical design allows a system pressure and a one-sided overload of up to 20 bar with high operational reliability.

Technical Data

Switching capacity:

1(0,5) A at 250V AC

Contact:

Changer

Housing:

Anodised aluminium, black
Nickel-plated brass

Membrane:

NBR base, EPDM, FPM, silicone

Medium temperature:

NBR bases 0...+80°C
EPDM -10...+80°C
FPM -10...+80°C
Silicone -40...+80°C

electr. Connection:

Flat plug (AMP pin lugs) 6.3mm

Contact material:

AgCdO

Pressure connection:

Internal thread G1/8
straight screw-in fitting (for pipe Ø 6mm) G1/8
screw-in nozzle (for hose inside Ø 6mm) G1/8

Cut-in pressure:

min. >/= 6mbar

Switching differential:

min. >/= 3mbar

Reproducibility:

± 5% of the switching point with NBR-based membrane / silicone min. ± 0.4mbar
±10% of the switching point with membrane FPM / EPDM min. ± 0.8mbar

Overload:

Pressure range 200 mbar 20 bar

Protection type:

IP54 according to EN 60529 with cover hood PG11
IP65 according to EN 60529 with cover hood PG9

Protection class:

II (EN 60730)

Accessories:

Cover hood, mounting bracket

Optional:

1 or 2 fixed switching points

  • Sensors

    DW-6 6...20 mbar

    DW-15 15...60 mbar

    DW-40 40...200 mbar

    DW-150 150...1000 mbar

    DW-1 1...3 bar

    DW-2 2...5.5 bar

Product World

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Concept & implementation: Werbeagentur MOHANTY

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