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VEGAFLEX 86

TDR sensor for continuous level and interface measurement of liquids

For the most extreme process conditions


VEGAFLEX 86

Application area

Cable, rod or coaxial sensor. Its robust, mechanical design and the second process seal, the Second Line of Defense, protect the sensor for demanding measurement tasks. Process temperature: -196 ... 450° C; process pressure: -1 … 400 bar
The VEGAFLEX 86 level sensor measures maintenance-free all liquids under extreme pressure and temperature conditions. Even in applications with buildup, foam generation and condensation, the sensor delivers precise and reliable measured values. In saturated steam applications, a special reference probe ensures a density-independent measurement. The VEGAFLEX 86 offers an economical level and interface measurement for your application.

Your benefit

  • The guided adjustment enables a simple, time-saving and reliable setup
  • Shortenable probes offer a simple standardisation and highest flexibility in the planning
  • Comprehensive diagnostic possibilities ensure a maintenance-free operation and hence a high plant availability

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Level and interface measurement at high pressure and high temperature

The robust guided radar sensor VEGAFLEX 86 measures the level and interface of liquids at high process temperatures and pressures in tanks of all types. It operates independently of media properties such as density or dielectric constant in widely different vessels, bypasses or boilers. The robust mechanical design and second seal (second line of defense) protect the sensor while it performs demanding measurement tasks in the chemical, petrochemical, energy and oil/gas sectors, e.g.

  • level and interface measurement in distillation columns
  • level measurement in steam boilers
  • level measurement in gas tanks (LPG)
Technical specifications
Measuring range - Distance
  • 75 m [Meter - Foot]
Process temperature
  • -196 ... 450 °C [°C - °F]
Process pressure
  • -1 ... 400 bar [Bar - kPa - psi]
Accuracy
  • ± 2 mm
Version
  • Coax version ø 21.3 mm with multiple hole
  • Coax version ø 42.2 mm with single hole
  • Coax version ø 42.2 mm with multiple hole
  • Exchangeable rod ø 16 mm
  • Exchangeable cable ø 2 mm with gravity weight
  • Exchangeable cable ø 4 mm with gravity weight
  • Exchangeable cable ø 2 mm with centering weight
  • Exchangeable cable ø 4 mm with centering weight
Materials, wetted parts
  • 316L
  • Alloy C22 (2.4602)
  • 316
Threaded connection
  • ≥ G¾, ≥ ¾ NPT
Flange connection
  • ≥ DN25, ≥ 1"
Seal material
  • FFKM
  • graphit and ceramic
Housing material
  • Plastic
  • Aluminium
  • Stainless steel (precision casting)
  • Stainless steel (electropolished)
Protection rating
  • IP66/IP68 (0,2 bar)
  • IP66/IP67
  • IP66/IP68 (1 bar)
Output
  • Profibus PA
  • Foundation Fieldbus
  • Two-wire: 4 … 20 mA/HART
  • Modbus
  • Four-wire: 4 … 20 mA/HART
Ambient temperature
  • -40 ... 80 °C
Approvals
Scope
  • ATEX / Europe
  • CSA / Canada
  • FM / USA
  • EAC (GOST) / Belarus
  • EAC (GOST) / Kazakhstan
  • EAC (GOST) / Russia
  • IEC / worldwide
  • NEPSI / China
  • UKR Sepro / Ukraine
  • INMETRO / Brazil
  • CCOE / India
  • UKEX
Explosion protection
  • Intrinsic safety "i"
  • Flameproof enclosure "d"
  • Dust ignition protection "t"
Ship approval
  • ABS
  • BV
  • CCS
  • DNV
  • LR
  • NK
  • RINA
Overfill protection
  • WHG
  • VLAREM II
SIL qualification
  • SIL2
Steam boiler approval
  • EN12952-11, EN12953-9
Display & adjustment
Adjustment
  • PLICSCOM
  • PC, PACTware and DTM
  • HART-Communicator
  • Software (e. g. AMS™, PDM)
Indication
  • Display/adjustment module PLICSCOM
  • VEGADIS 81
  • VEGADIS 82

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Product catalog

Guided radar

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Product information

VEGAFLEX 81, 83, 86

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Product information

VEGAFLEX 82, 86

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Specification sheet

VEGAFLEX 86

Two-wire: 4 … 20 mA/HART

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Operating instructions

VEGAFLEX 86

Two-wire: 4 … 20 mA/HART

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Further downloads for this product

All documents and software for this product can be found in our Download Center.

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Electronics VEGAFLEX serie 80

Process component VEGAFLEX 86

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