LTD Differential Transmitter

Brand: Winters Instruments

Features
  • Designed to measure the wet to wet differential pressures of liquids and gases
  • Compact, efficient design available in Low or High psi ranges that facilitates installation in tight spaces
  • Low Range housing is constructed of stainless steel and aluminum
  • High Range housing is made from a 316-grade stainless steel ideally suited for an industrial environment
  • Fast response sensor and signal conditioned electronic circuitry provide quick and accurate readings
  • Unique isolation system responds to pressure changes approximately 20 times faster than conventional transmitters with ranges below psi: 100 (kPa: 689.5, bar: 6.895) [Low Range model]
  • CE approval is standard on all models
  • NEMA 4 approval is standard on the Low Range model

Specifications

Accuracy

  • ± 0.25 % of Full Scale Output

Approvals & Certifications

  • CE
  • RoHS

Burst Pressure

  • psi: 20 to 250 (kPa: 138 to 1,724, bar: 1.38 to 17.24) - Low Range Model
  • psi: 750 to 10,000 (kPa: 5,171 to 68,950, bar: 51.7 to 689.5) - High Range Model

Compensated Temperature

  • High Range Model: -18° to 76° C (0° to 170° F)
  • Low Range Model: 0° to 65° C (30° to 150° F)

Electrical Connectors

  • High Range Model: DIN 43650 with Mate
  • Low Range Model: Barrier Strip Terminal Block with Conduit Enclosure & 0.875 Diameter Conduit Opening

Enclosure, Body Material

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

Environmental Protection

  • IP65
  • IP66
  • NEMA 4

Excitation Voltage

  • High Range Model: 8-38 Vdc
  • Low Range Model: 9-30 Vdc

NPT Connection

  • 1/4"-18 NPT Female

Operating Temperature

  • High Range Model: -40° to 93° C (-40° to 200° F)
  • Low Range Model: -17° to 79° C (0° to 175° F)

O-Ring Material

  • Viton

Output

  • 4-20 mA, 2-Wire
  • Low Range Model: 0-10 Vdc
  • Low Range Model: 0-5 Vdc

Pressure Range

  • bar: 0 to 344.7
  • Inches WC: 0 to 276.8
  • kPa: 0 to 34,474
  • psi: 0 to 5,000

Pressure Type

  • Differential

Proof Pressure

  • psi: 1.25 to 250 (kPa: 8.61 to 1,724, bar: 0.08 to 17.24) - Low Range Model
  • psi: 100 to 7,500 (kPa: 689.5 to 51,711, bar: 6.89 to 517.1) - High Range Model

Response Time

  • High Range Model: < 50 milliseconds
  • Low Range Model: 30 to 50 milliseconds

Stability

  • Long Term Stability: ± 0.5 % of Full Scale Output/Year - Low Range Model
  • Long Term Stability: ≤ ± 0.25 % of Full Scale Output/Year - High Range Model

Temperature Effect

  • Ambient Temperature Effect on Zero/Span: ± 2 % of Full Scale/100° F (37.7° C) - Low Range Model
  • Ambient Temperature Effect on Zero/Span: ≤ ± 1.5 % of Full Scale Output over Compensated Range - High Range Model

Wetted Materials

  • 17-4 PH Stainless Steel
  • 300 Series Stainless Steel
  • 316L Stainless Steel

  • Flow Measurement of Gases & Liquids
  • Liquid Level Measurement of Pressurized Vessels
  • Pumps & Compressors
  • To Measure Pressure Drops Across Filters

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