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Level

Vegaflex81 TDR sensor for continuous level and interface measurement of liquids

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Application area

All kind of liquids, applications with vapour, buildup, foam or condensation

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.

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

Technical data

SPEC VALUE
Measuring-range — Distance 75 m
Process-temperature -60–200 °C
Process-pressure -1–40 bar
Accuracy ± 2 mm
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
Threaded-connection ≥ G¾, ≥ ¾ NPT
Flange-connection ≥ DN25, ≥ 1"
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
4–20 mA/HART - four-wire
Modbus
Ambient-temperature -40–80 °C
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