VEGADIF 85 Differential Pressure Indicator

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Featured Specifications

  • High reliability through integrated overload diaphram

  • Measurement of extremely small differential pressures through high precision measured value detection

  • Versatile use through a variety of measuring ranges and process fittings

  • IP68 versions are available for extremely moist areas

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vegadif-85

Description

The VEGADIF 85 Differential Pressure Transmitter uses a metallic measuring cell as the sensor element.  The process pressures are transmitted via the separating diaphragms and an oil filling to a resistance measuring bridge, using semiconductor technology.  It is a universal differential transmitter for measurement of liquids, gases and vapors. This instrument is currently installed on autonomous vessels.

Common applications include: differential pressure measurements of filters and pumps as well as level measurements in pressure vessels.

Technical Specifications

Technical Data 

Process Measuring Range
  • 0.01 to 16 bar
  • +1 to +1600 kPa
  • +0.145 to +232 psig 
Process Temperature 

Basic Version: -40 °C to 85 °C

w/ Chemical Seals: -40 °C to 400 °C
Process Pressure 

-1 to 400 bar  /  -100 to 40,000 kPa  /  -14.5 to +5802 psig
Accuracy 

0.065%
Smallest Adjustable Span

1 mbar  /  100 Pa  / 0.015 psig
Process Fitting

Threaded: 1/4-18 NPT according to IEC 61518

Flanges and Hygenic Fittings: DN 32 or 2”
Ambient, Storage, and Transport temperature

-40 °C to 80 °C  /  -40 °F to +176 °F

 

Materials 

Process Flanges 

Stainless Steel 316L , Alloy 276 , Superduplex
Process Diaphram

316L , Alloy C276, Tantalum
Housing Material

Plastic , aluminum , stainless steel
Enclosure Rating 

IP 68 (25 bar) or IP69K
Seal
  • EPDM
  • FKM
  • Copper

 

Electrical 

Operating Voltage 

11 to 35 VDC
Output 
  • 4 to 20 mA/HART
  • Profibus PA
  • Foundation Fieldbus & Modbus 

 

Approvals 

Scope
  • ATEX / Europe
  • FM / USA
  • IEC / worldwide
  • CSA / USA and Canada
Explosion Protection 

MiIntrinsic safety Ex ia

Pressure-tight encapsulation Ex d
Ship Approval 
  • DNV
  • GL
Overfill Protection 
  • WHG
  • VLAREM II
SIL Qualification

SIL2

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