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DPRE-28 Differential Pressure Transmitter

Brand: Delta Mobrey

The model DPRE-28 SMART Differential Pressure Transmitter is suitable for measuring pressures from psi: -1.45 to 1,015 (kPa: -10 to 7,000, bar: -0.1 to 70) with maximum working pressures up to psi: 6,092 (kPa: 42,000, bar: 420).
Features
  • Accuracy ±0.1%
  • 4-20 mA output signal
  • Fully HART compatible
  • Static pressure limit up to psi: 6,092 (kPa: 42,000, bar: 420)
  • ATEX certified (Intrinsic Safety)
  • Gold plated diaphragm option
  • Hastelloy® C-276 wetted parts option

Specifications

Brand

Accuracy

  • ≤ ± 0.1 % of Calibrated Range

Applications

  • Differential Pressure
  • Flow
  • Level

Approvals & Certifications

  • ATEX
  • BSI Kitemark
  • ISO 9001

Approvals & Certifications

  • UKAS

Cable Length

  • 9.8 feet (3 metres)

Communication

  • HART

Compensated Temperature

  • -25° to 80° C (-13° to 176° F)

Damping Adjustment

  • Additional Electronic: 0 to 30 seconds

Diaphragm Material

  • 316L Stainless Steel
  • Gold-Plated (Au)
  • Hastelloy C-276

Electrical Connectors

  • DIN 43650 Connector
  • M12 x 1
  • Packing Gland: M20 x 1.5

Element

  • Active Sensing Element: Piezoresistive Silicon

Enclosure, Body Material

  • 304 Stainless Steel
  • 316 Stainless Steel
  • 316L Stainless Steel
  • Cast Aluminum Alloy

Environmental Protection

  • Intrinsically Safe
  • PD Typical: IP65
  • PM12 Typical: IP67
  • PZ & PZ316 Typical: IP66
  • SG & SGM Typical: IP68

Flange Material

  • Cover Flange: 316 Stainless Steel

Gasket Material

  • FPM Viton
  • NBR
  • PTFE

Materials of Construction

  • Mounting Bracket: Stainless Steel
  • Mounting Bracket: Zinced Steel

Media

  • Gas
  • Liquids
  • Vapor

Metric Connection

  • Cover Flange: M10
  • M20 x 1.5 Male

Mounting

  • 2” Pipe Mounting Bracket

NPT Connection

  • 1/4” NPT Female

Operating Pressure

  • Maximum

Operating Temperature

  • -25° to 85° C (-13° to 185° F)
  • Ex ia: -25° to 80° C (-13° to 176° F)

Output

  • 4-20 mA, 2-Wire

Overpressure & Static Pressure Limits

  • Static Pressure psi: 290.1 to 6,092 (kPa: 2,000 to 42,000, bar: 20 to 420)

Power Supply

  • 7.5-55 Vdc
  • Ex ia: 7.5-28 Vdc

Power Supply Effect

  • 0.002 % of Full Scale Output/V

Pressure Range

  • bar: -0.5 to 70
  • kPa: -50 to 7,000
  • psi: -7.25 to 1,015

Resistance

  • Communication: Min. 240 ohms

Response Time

  • 16 to 230 milliseconds (Programmable)

Rotation

  • Casing: 0° to 355° Relative to Sensor
  • C-Typical Process Connection: 90°

Service

  • Oxygen Service

Stability

  • Long Term Stability: ≤ ± 0.1 % of Calibrated Range for 3-Years

Temperature Effect

  • < ± 0.08 % of Full Scale Output/10° C (18° F)
  • Maximum

UNF/UNC Connection

  • Cover Flange: 7/16” UNF - Option

Wetted Materials

  • 316L Stainless Steel
  • Hastelloy C-276

Zero Offset

  • Zero Shift Error: 0.01 % of Full Scale Output/10 bar - Static Pressure
  • Zero Shift Error: 0.03 % of Full Scale Output/10 bar - Static Pressure
  • Zero Shift Error: 0.06 % of Full Scale Output/10 bar - Static Pressure
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