DWYER – Series 647 Wet/Wet Differential Pressure Transmitter

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Description

Series 647 Wet/Wet Differential Pressure Transmitter

±1.0% Accuracy, NEMA 4 (IP56) Enclosure, 2-Wire

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 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.

Calibration Option available under Accessories.

Product Applications

  • Flow
  • Process control
  • HVAC automation
  • Pneumatic 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

 

Specifications

  • Service: Compatible gases or liquids on both pressure and reference sides.
  • Wetted Materials: Brass, vinyl, glass-filled polyester, silicon, and florosilicone.
  • Accuracy: ±1.0% FS.
  • Stability: ±1.5% FS output/year.
  • Temperature Limits: 32 to 122°F (0 to 50°C).
  • Pressure Limits: Ranges 1″ w.c. to 5 psi; 20 psi, 15 psi range; 45 psi, 30 psi range; 60 psi.
  • Thermal Effects: Zero: ±0.05% FS/°F, Span: ±0.05% rdg/°F.
  • Power Requirements: 18 to 30 VDC.
  • Output Signal: 4 to 20 mA, 2-wire.
  • Zero and Span Adjustments: Adjustable, ±10%.
  • Loop Resistance: 400 Ω @ 18 VDC, 600 Ω @ 24 VDC, 1000 Ω @ 30 VDC.
  • Electrical Connection: Screw terminals, reverse polarity protected.
  • Process Connections: Two 1/8″ female NPT.
  • Housing: Gasketed steel epoxy painted, NEMA 4 (IP56).
  • Weight: 14 oz (397 g).

 

Models & Ordering

 

Model Description
647-0 Wet/wet differential pressure transmitter, range 0-1″ w.c.
647-1 Wet/wet differential pressure transmitter, range 0-3″ w.c.
647-2 Wet/wet differential pressure transmitter, range 0-25″ w.c.
647-3 Wet/wet differential pressure transmitter, range 0-5″ w.c.
647-4 Wet/wet differential pressure transmitter, range 0-10″ w.c.
647-5 Wet/wet differential pressure transmitter, range 0-1 psid.
647-6 Wet/wet differential pressure transmitter, range 0-5 psid.
647-7 Wet/wet differential pressure transmitter, range 0-15 psid.
647-8 Wet/wet differential pressure transmitter, range 0-30 psid.

 

 

 

 

 

 

Additional information

Model

647-0, 647-1, 647-2, 647-3, 647-4, 647-5, 647-6, 647-7, 647-8

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