VEGAFLEX 81 TDR sensor for continuous level and interface measurement of liquids
Universal TDR sensor for liquids of all kinds
Application area
Cable, rod or coaxial sensor. Even in applications with steam, buildup, foam or condensation, the sensor delivers precise and reliable readings – also in standpipes or bypass pipes.
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 specifications
Measuring range – Distance
- 75 m [Meter – Foot]
Process temperature
- -60 … 200 °C [°C – °F]
Process pressure
- -1 … 40 bar [Bar – kPa – psi]
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
- 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
