Dwyer Photohelic Gauge Pressure Switch, Series A3000
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A3020

Series: Series A3000 Photohelic Pressure Switch/Gauge Brand: Dwyer Instruments, LLC
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Specifications

Brand

Accessories

  • Flat Flush Mounting Bracket

Accuracy

  • ± 2 % of Full Scale at 21.1° C (70° F)
  • ± 3 %
  • ± 4 % of Full Scale

Adjustment Type

  • Adjustable Knobs on Face

Approvals & Certifications

  • CE
  • CSA
  • UL

Electrical Connectors

  • Screw Terminal 75° C (167° F) Copper Conductors Only

Electrical Rating

  • 10 A at 120/240 Vac
  • 10 A at 28 Vdc

Media

  • Air & Non-Combustible, Compatible Gases

NPT Connection

  • 1/8” NPT Female

Power Requirement

  • 120 Vac, 50/60 Hz
  • 24 Vac
  • 240 Vac

Repeatability

  • ± 1 % of Full Scale

Sensor Orientation

  • Diaphragm in Vertical Position

Set Point - Decreasing

  • Inches WC: -10 to 100
  • kPa: 0 to 30
  • Millimeters WC: 0 to 100
  • Pa: -250 to 750

Set Point - Increasing

  • Inches WC: -10 to 100
  • kPa: 0 to 30
  • Millimeters WC: 0 to 100
  • Pa: -250 to 750

Size

  • Dial: 4” (101.6 mm)
  • Dial: 5” (127 mm) O.D. x 8-1/4” (209.55 mm)

Switch Type

  • DPDT (Each Set Point Has 2 Form C Relays)

System Pressure

  • bar: 5.5
  • kPa: 550
  • psig: 80 (For hp Version. 35 for MP Version & 25 for Regular Version)

Temperature Range

  • -6.7° to 48.9° C (20° to 120° F)

Documentation

Approvals

Catalogs

Manuals

View Product Series

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