Dwyer WWDP Differential Pressure Transmitter

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Dwyer Instruments

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Rp.26.193.000
Availability:
4 - 6 WEEKS
Product Code:
WWDP
Brand:
Dwyer Instruments
Update Terakhir:
03 Jul 2023
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The Dwyer WWDP Differential Pressure Transmitter offers everything in one package by having 30 field selectable variations in just 3 models. The WWDP provides field selectable unidirectional and bidirectional pressure ranges, configurable 0 to 5, 1 to 5, 0 to 10 VDC, and 4 to 20 mA output. It also provides an auto-zero capability. The field selectable port swap feature eliminates costly re-plumbing if the unit is improperly installed or if the transmitter is simply replaced. An optional LCD display is available for on-sight indication of line and differential pressure. The all cast aluminum housing is rated NEMA 4 (IP66). These features make the WWDP transmitter an ideal instrument for measuring the flow of various liquids and gases, pressure drop across filters, measurement of liquid level or pressurized vessels, and for use in energy management and process control systems.

  • Uni-directional or bi-directional
  • Selectable outputs
  • Gas or liquid compatible
  • Accuracy: ±1 FS or ±2% FS (low range)
  • Field selectable
  • NEMA 4 rated enclosure
  • 0 to 5, 1 to 5, 0 to 10 VDC, and 4 to 20 mA outputs
  • Applications:
  • Chiller monitoring
  • Filter monitoring
  • Liquid level
  • Pressure vessels
  • Process control
  • Energy management

  • Service: Gases or liquids compatible with 17-4 PH stainless steel.
  • Accuracy: All pressure ranges have ±1% full-scale accuracy except the
  • lowest selectable range of each unit is ±2% full-scale.
  • Stability: ±0.5% per year.
  • Temperature Limits: Compensated temperature range: 32 to 130°F (0 to 54°C); Operating temperature range: -4 to 185°F (-20 to 85°C).
  • Pressure Limits: Max working pressure: WWDP-1: 50 psi; WWDP-2: 100 psi; WWDP-3: 250 psi; Proof pressure: 2.2X of full-scale; Burst pressure: 40X of full-scale.
  • Thermal Effect: 2% FS/100°F (50°C) includes zero and span.
  • Power Requirements: 12 to 30 VDC/18 to 28 VAC (reverse excitation protected).
  • Note: 4-20 mA output cannot be powered with AC voltage.
  • Output Signal: Selectable 0 to 5, 0 to 10 and 1 to 5 VDC; 4 to 20 mA.
  • Zero & Span: Digital “re” zero button (should be used when changing ranges). Span can be adjusted by changing between field selectable ranges.
  • Response Time: 1 to 5 s (selectable).
  • Loop Resistance: 1000 Ω.
  • Current Consumption: VDC power: 0 to 5, 1 to 5 VDC output 4 mA (typ); 0 to 10 VDC output 5 mA (typ); 4 to 20 mA output 20 mA max. Current consumption will equal the transmitter output in current mode.
  • VAC power: 0 to 5, 1 to 5, 0 to 10 VDC output 40 mA (typ).
  • Electrical Connections: 1/2˝ conduit.
  • Process Connections: 1/8˝ female NPT internal.
  • Enclosure Rating: Designed to meet NEMA 4 (IP56).
  • Mounting Orientation: Vertical; mount
  • the pressure ports down (keeps debris from building up inside the pressure port).
  • Weight: 1.5 lb (680.4 g).
  • Agency Approvals: CE

  • (1) WWDP Differential Pressure Transmitter
  • (1) Instruction Manual


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