WIKA Submersible Pressure Sensor for Oils and Fuels, Model LF-1
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Model LF-1 Submersible Pressure Sensor

Brand: WIKA Alexander Wiegand SE & Co. KG
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Extensive test cycles not only guarantee a permanent resistance and long service life in all commonly used oils and fuels, including aggressive crude oils and biofuels, but also in flowing and stagnant waters and in wastewater treatment applications.
Features
  • Suitable for measurements in contaminated and aggressive media
  • An optimised discharge behaviour and a large pressure port prevent the instrument from clogging and ensure a minimum maintenance effort
  • Can be used in explosion-protected areas
  • Developed for wireless applications

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Specifications

Brand

Accuracy

  • ≤ ± 0.5 % of Span
  • ≤ ± 1 % of Span

Ambient Temperature Range

  • -40° to 80° C (-40° to 176° F)

Approvals & Certifications

  • China RoHS Conformity (SJ/T 11364-2014)

Approvals & Certifications

  • ATEX
  • CRN
  • EMC
  • EN
  • Ex
  • IEC
  • IECEx
  • RoHS

Cable Length

  • 10 to 3,250 feet (3 to 1,000 metres)

Consumption

  • Current Output: Max. 25 mA Per Output
  • Voltage Output: Max. 5 mA

Electrical Connectors

  • Cable Outlet

Environmental Protection

  • IP68

Non-Linearity

  • ≤ ± 0.25 % of Span
  • ≤ ± 0.5 % of Span

Output

  • 0.1-2.5 Vdc (3-Wire, Low Power) / 2 x 0.1-2.5 Vdc (3-Wire, Low Power)
  • 4-20 mA, 2-Wire / 2 x 4-20 mA (2 x 2-Wire, Galvanically Isolated)
  • 4-20 mA + HART (2-Wire)

Power Supply

  • 12-30 Vdc (with Ex Approval) - Output Signal: 4-20 mA + HART (2-Wire)
  • 12-36 Vdc - Output Signal: 4-20 mA + HART (2-Wire)
  • 3.6-36 Vdc - Output Signal: 0.1-2.5 Vdc (3-Wire, Low Power) / 2 x 0.1-2.5 Vdc (3-Wire, Low Power)
  • 8-36 Vdc - Output Signal: 4-20 mA, 2-Wire / 2 x 4-20 mA (2 x 2-Wire, Galvanically Isolated)
  • 9-30 Vdc (with Ex Approval) - Output Signal: 4-20 mA, 2-Wire / 2 x 4-20 mA (2 x 2-Wire, Galvanically Isolated)

Pressure Range

  • bar: 0 to 6
  • Inches WC: 0 to 250
  • kPa: 0 to 600
  • psi: 0 to 100

Pressure Type

  • Absolute
  • Gauge

Repeatability

  • Non-Repeatability ≤ 0.1 % of Span
  • Non-Repeatability ≤ 0.2 % of Span (with Voltage Output & Cable Length > 100 M (325 Ft))

Storage Temperature

  • -30° to 80° C (-22° to 176° F)

Temperature Range

  • -40° to 80° C (-40° to 176° F)

Wetted Materials

  • 316L Stainless Steel
  • 318LN
  • FEP
  • FKM
  • Hastelloy C-276
  • PUR
  • PVDF

  • Level measurement in vessel and storage systems
  • Overfilling and no-load operation monitoring
  • Level measurement in rivers and lakes
  • Deep well and groundwater monitoring
  • Battery-operated level measuring systems

Documentation

Data Sheets

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