Guided Wave Radar Level Transmitter Supplier


Guided Wave Radar Level Transmitter

Specifications

Model VEGAFLEX 81
Measuring-range Distance 75 m
Process temperature -60 - 200 °C
Process-pressure -1 - 40 bar
Accuracy ± 2 mm
Threaded-connection ≥ G¾, ≥ ¾ NPT
Flange-connection ≥ DN25, ≥ 1"
Ambient temperature -40 - 80 °C
Measuring accuracy ± 2 mm
Process fitting Thread from G¾, ¾ NPT, flanges from DN 25, 1"

The VEGAFLEX 81 level sensor measures maintenance-free all kind of liquids. Even in applications with vapour, buildup, foam generation and condensation, the sensor delivers precise and reliable measured values. The VEGAFLEX 81 is the economical solution for various level and interface measurements.

Application area :  With VEGAFLEX 81 you can measure all kinds of liquids essentially maintenance free. The sensor delivers precise and reliable measured values even in applications with steam, buildup, foam generation or condensation. VEGAFLEX 81 is a truly cost-effective level and interface sensor for your measuring task.

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


Function : High frequency microwave pulses are coupled onto a cable or rod and guided along the probe. The pulse is reflected by the product surface. The time from emission to reception of the signals is proportional to the level in the vessel.

Measuring range

  • Cable probe up to 75 m (246.1 ft)
  • Rod probe up to 6 m (19.69 ft)


Operating voltage

  • Version for low voltage 9.6 - 48 V DC, 20 - 42 V AC, 50/60 Hz
  • Version for mains voltage 90 - 253 V AC, 50/60 Hz


Materials : The wetted parts of the instrument are made of stainless steel. The instrument seal is made either of FKM, FFKM or EPDM.

Housing versions : The housings are available as double chamber version in plastic, stainless steel or Aluminium. They are available in protection class IP 66/ IP 67.

Electronics versions : The instruments are available in different electronics versions. Apart from the two-wire electronics with 4 - 20 mA/HART, a four-wire version and two purely digital versions with Profibus PA and Foundation Fieldbus are available.

Operation : The adjustment of the instrument is carried out via the optional display and adjustment module PLICSCOM or via a PC with the adjustment software PACTware and corresponding DTM. Further adjustment options are available via HART communicator as well as manufacturerspecific programs such as AMS™ or PDM.

Version

  • Basic version for exchangeable cable ø 2; ø 4 mm
  • Basic version for exchangeable rod ø 8 mm
  • Basic version for exchangeable rod ø 12 mm
  • Coax version ø 21.3 mm for ammonia application
  • Coax version ø 21.3 mm with single hole
  • Coax version ø 21.3 mm with multiple hole
  • Coax version ø 42.2 mm with multiple hole
  • Exchangeable rod ø 8 mm
  • Exchangeable rod ø 12 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
  • Exchangeable cable ø 4 mm without weight exchangeable, PFA-coated cable ø4 mm with non-coated centering weight


Materials, wetted-parts

  • PFA
  • 316L
  • Alloy C22 (2.4602)
  • Alloy 400 (2.4360)
  • Alloy C276 (2.4819)
  • Duplex (1.4462)
  • 304L


Seal-material

  • EPDM
  • FKM
  • FFKM
  • Silicone FEP coated
  • Borosilicate glass


Housing-material

  • Plastic
  • Aluminium
  • Stainless steel (precision casting)
  • Stainless steel (electropolished)


Protection-rating

  • IP 66/IP 68 (0.2 bar)
  • IP 66/IP 67
  • IP 66/IP 68 (1 bar)


Output

  • Profibus PA
  • Foundation Fieldbus
  • 4- 20 mA/HART - two-wire
  • Modbus
  • 4 - 20 mA/HART - four-wire


The ace for level measurement and interface measurement in all liquids : The VEGAFLEX 81 guided radar sensor is exceptional when it comes to measuring the level or interface of liquids. Guided radar is extremely versatile and can be found in almost every industrial sector. Whether bitumen or liquefied gas, in storage containers or standpipes, in a metering tank or in tank farms – VEGAFLEX 81 measures the level or interface (separation layers) of liquids with great reliability and accuracy. Guided radar delivers reliable measurements data for control or safety systems for

  • Level measurement in ammonia storage tanks
  • Level measurement in standpipes
  • Interface measurement in storage tanks, bypass tubes, standpipes

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Connection Compartment with Double Chamber Housing - Low Voltage

Connection Compartment with Double Chamber Housing - Low Voltage

Connection Compartment with Double Chamber Housing - Mains Voltage

Connection Compartment with Double Chamber Housing - Mains Voltage

Dimensions

Dimensions

VEGAFLEX 81

  1. Cable version
  2. Rod version
  3. Flange version

Operating instructions - Coax probe


Operating Instructions - Rod and cable probe






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