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Dwyer Wet/Wet Differential Pressure Transmitter, Series 647

Series 647 Wet/Wet Differential Pressure Transmitter

Brand: Dwyer Instruments, LLC
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Monitor differential pressure in air/liquid flow systems, HVac automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter.

Units are temperature compensated and provide a 4-20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.
Features
  • Versatile for liquid or gas supports designs requiring more precise measurements in support of application
  • Temperature compensated improves performance of device for accurate measurement under different operating environments
  • Output signal provides capability to interface with automation systems to centralize monitoring

1 - 12 of 14 Part Numbers
647-0
647-0
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-1" W.C.
  • Pressure Range - Inches WC: 0 to 1
  • Certificates - None
647-0-NISTCAL-PT1
647-0-NISTCAL-PT1
  • Pressure Range - Inches WC: 0 to 1
  • Certificates - NIST Traceable Calibration Certificate
647-1
647-1
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-3" W.C.
  • Pressure Range - Inches WC: 0 to 3
  • Certificates - None
647-1-NISTCAL-PT1
647-1-NISTCAL-PT1
  • Pressure Range - Inches WC: 0 to 3
  • Certificates - NIST Traceable Calibration Certificate
647-2
647-2
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-25" W.C.
  • Pressure Range - Inches WC: 0 to 25
  • Certificates - None
647-2-NISTCAL-PT1
647-2-NISTCAL-PT1
  • Pressure Range - Inches WC: 0 to 25
  • Certificates - NIST Traceable Calibration Certificate
647-3
647-3
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-5" W.C.
  • Pressure Range - Inches WC: 0 to 5
  • Certificates - None
647-3-NISTCAL-PT1
647-3-NISTCAL-PT1
  • Pressure Range - Inches WC: 0 to 5
  • Certificates - NIST Traceable Calibration Certificate
647-4
647-4
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-10" W.C.
  • Pressure Range - Inches WC: 0 to 10
  • Certificates - None
647-4-NISTCAL-PT1
647-4-NISTCAL-PT1
  • Pressure Range - Inches WC: 0 to 10
  • Certificates - NIST Traceable Calibration Certificate
647-5
647-5
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-1 psid.
647-6
647-6
DWYER Wet/Wet Differential Pressure Transmitter, Range 0-5 psid.
1 - 12 of 14 Part Numbers

View_Details

Specifications

Brand

Accuracy

  • ± 1 % of Full Scale

Electrical Connectors

  • Screw Terminal

Enclosure, Body Material

  • Steel, Epoxy Painted

Environmental Protection

  • IP56
  • NEMA 4

Loop Resistance

  • 1,000 ohms at 30 Vdc
  • 400 ohms at 18 Vdc
  • 600 ohms at 24 Vdc

Media

  • Compatible Gases
  • Compatible Liquids

NACE & NIST

  • NIST Traceable Calibration Certificate

NPT Connection

  • 1/8” NPT Female

Output

  • 4-20 mA, 2-Wire

Power Requirement

  • 18-30 Vdc

Pressure Range

  • Inches WC: 0 to 25

Pressure Type

  • Differential

Reverse Polarity Protection

  • Yes

Span & Zero Adjustments

  • ± 10 % of Full Scale Adjustment

Stability

  • ± 1.5 % of Full Scale Output/Year

Temperature Effect

  • Span: ± 0.05 % of Reading/°F
  • Zero: ± 0.05 % of Full Scale/°F

Temperature Range

  • 0° to 50° C (32° to 122° F)

Wetted Materials

  • Brass
  • Fluorosilicone
  • Glass-Filled Polyester
  • Silicone
  • Vinyl

  • Flow
  • Process control
  • HVAC automation
  • Pneumatic systems

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