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Gas Density Transmitter - GD10-FT

Brand: WIKA Alexander Wiegand SE & Co. KG
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Model GD10-FT features a gas density transmitter with additional temperature sensor and a temperature transmitter integrated into a special connection head.

It functions fully as a standard GD10 gas density transmitter, however, the dual output allows to compensate individual tank temperature disbalance effects.
Features
  • 4 ... 20 mA density and Pt100 temperature readout.
  • Includes additional temperature sensor.
  • Output: 1 x 4 ... 20 mA, 1 x Pt100.
  • Wetted parts made of stainless steel, fully welded.
  • High EMI performance, excellent long-term stability.

Specifications

Brand

Density Ranges G/Litre

  • 10
  • 16
  • 25
  • 40
  • 60
  • 80

Pressure Range (Related to 20° C)

  • 1.64 to 11.33 bar abs.

Over Pressure Safety bar Abs.

  • 14
  • 29
  • 67

Burst Pressure of Sensor bar Abs.

  • 17
  • 35
  • 80

Designed for Sensing

  • Pure SF6 Gas

Principle

  • piezoresistive

Pressure Reference

  • absolute Pressure

Process Connection

  • G 1/2 B Male (Other Connections on Request)

Materials

  • Internal transmitting fluid: Synthetic oil
  • Case, terminal Case: Aluminium
  • Wetted Parts: Stainless Steel

Power Supply UB

  • DC 10 ... 30 V

Signal Output & Maximum Load RA

  • 4 ... 20 mA, 2-Wire, RA ≤ (UB - 10 V) / 0.02 A with RA in Ohm and UB in Volt

Accuracy

  • -40° C: 3 % of Span, 20° C: 1 % of Span, 60° C: 2.3 % of Span (Optimal accuracy point)
  • -40° C: 4 % of Span, 20° C: 2 % of Span, 60° C: 3.3 % of Span (Beginning and end of Measuring Range)

1-Year Stability

  • ≤ 0.3 % of Span (At reference Conditions)

Nominal Temperature

  • -40° to +60° C (-40° to +140° F) [gas phase!]

Storage Temperature

  • -40° to +80° C (-40° to +176° F)

CE Conformity

  • EN 61326-1

EMC Directive

  • 2004/108/EC, EN 61326 Emission (Group 1, Class B) and Immunity (Industrial locations)

High Voltage Strength

  • DC 750 V (wiring versus Case)

Electromagnetic Immunity (EMI) / RFI Per IEC 61000-4

  • IEC 61000-4-2 (ESD): test level 4 (8 kV)
  • IEC 61000-4-3 (Field): test level 3 (10 V/m)
  • IEC 61000-4-4 (Burst): test level X (± 4 kV)
  • IEC 61000-4-5 (Surge): test level 2 (± 1 kV)
  • IEC 61000-4-6 (Conducted RFI): test level 3 (10 V)

Cable Gland

  • Cable Gland M20 x 1.5

Electrical Connection

  • Internal terminal Screws, cross section Max. 2.5 mm²

Wiring Protection

  • Protected Against Reverse Polarity and Overvoltage

Ingress Protection

  • IP65 per EN 60529 / IEC 529

Weight

  • Approximately 0.75 kg

  • Gas density monitoring of closed SF6 tanks
  • For indoor and outdoor installation in SF6 gas-insulated switchgear
  • Easily integrate able into a gas management system

Documentation

Document

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