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.

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
• Modbus
• 4 … 20 mA/HART - four-wire
Ambient temperature -40 ... 80 °C