Dwyer Differential Pressure Switch, 1640
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1640-1-PRESET

Series: Series 1640 Floating Contact Pressure Switch Brand: Dwyer Instruments, LLC
Price
$179.00 CAD
Stock
50+ In Stock
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  • Base Model - Floating Contact Null Switch for High & Low Actuation
  • Pressure Range - Inches WC: 0.20 to 1.0
  • Tag - No Tag
  • Adjustment Type - Preset (Not Field Adjustable)
  • Conduit - No Conduit Option
  • Options - No Additional Options
  • Accessories / Options - Standard Temperature

Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE

Electrical Connectors

  • 3 Screw Typical

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • Inductive: 1 A at 110 Vac, 0.5 A at 220 Vac, 0.5 A at 24 Vdc (De-Rate 70 % to 80 % for Every Slow Pressure Changes)
  • 2.5 A at 110 Vac, 1.5 A at 220 Vac, 1 A at 24 Vdc, 0.5 A at 110 Vac

NPT Connection

  • 1/8” NPT Female

Operating Temperature

  • -34° for Dry Air or Gas to 43° C (-30° to 110° F)

Proof Pressure

  • bar: 1.7
  • kPa: 172.37
  • psig: 25

Set Point - Decreasing

  • Inches WC: 0.01 to 12
  • kPa: 0.005 to 3

Set Point - Increasing

  • Inches WC: 0.01 to 12
  • kPa: 0.005 to 3

Standard Features

  • Weatherproof

Switch Type

  • SPDT

System Pressure

  • bar: 0.68
  • kPa: 68.95
  • psig: 10

Weight

  • 4 lb 13 oz. (2.18 kg)

Documentation

Data Sheets

Approvals

Catalog

Manuals

View Product Series

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