VEGAFLEX 81
TDR sensor for continuous level and interface measurement of liquids
Universal TDR sensor for liquids of all kinds
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Application area
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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All documents and software for this product can be found in our Download Center.
Show all downloadsThe 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
Other applications
- 75 m [Meter - Foot]
- -60 ... 200 °C [°C - °F]
- -1 ... 40 bar [Bar - kPa - psi]
- ± 2 mm
- 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
- PFA
- 316L
- Alloy C22 (2.4602)
- Alloy 400 (2.4360)
- Alloy C276 (2.4819)
- Duplex (1.4462)
- 304L
- ≥ G¾, ≥ ¾ NPT
- ≥ DN25, ≥ 1"
- EPDM
- FKM
- FFKM
- Silicone FEP coated
- Borosilicate glass
- Plastic
- Aluminium
- Stainless steel (precision casting)
- Stainless steel (electropolished)
- IP66/IP68 (0,2 bar)
- IP66/IP67
- IP66/IP68 (1 bar)
- Profibus PA
- Foundation Fieldbus
- Two-wire: 4 … 20 mA/HART
- Modbus
- Four-wire: 4 … 20 mA/HART
- -40 ... 80 °C
- 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
- KTL Korea
- UKEX
- Intrinsic safety "i"
- Flameproof enclosure "d"
- Dust ignition protection "t"
- FDA
- ABS
- BV
- CCS
- DNV
- LR
- NK
- RINA
- WHG
- VLAREM II
- SIL2
- PLICSCOM
- PC, PACTware and DTM
- HART-Communicator
- Software (e. g. AMS™, PDM)
- Display/adjustment module PLICSCOM
- VEGADIS 81
- VEGADIS 82
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Configure NowProduct catalog
Guided radar
Product information
VEGAFLEX 81, 83, 86
Specification sheet
VEGAFLEX 81
Two-wire: 4 … 20 mA/HART
Operating instructions
VEGAFLEX 81
Two-wire: 4 … 20 mA/HART
Drawing generator
Further downloads for this product
All documents and software for this product can be found in our Download Center.
Show all downloads
Bluetooth USB adapter
Wireless adjustment of sensors and instruments via Bluetooth
Show ProductVEGADIS 81
Remote measurement value indication and adjustment of plics® sensors
Show ProductVEGADIS 82
External measured value display and adjustment for 4 ... 20 mA/HART sensors
Show ProductVEGADIS 176
Remote display for use in 4 ... 20 mA current loop
Show ProductMagnetic pen for display/adjustment module PLICSCOM
Magnetic pen for on-site adjustment
Show ProductVEGAMET 141
1 x 4 … 20 mA sensor input, 1 x 4 … 20 mA current output, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation
Show ProductVEGAMET 142
2 x 4 … 20 mA sensor inputs, 2 x 4 … 20 mA current outputs, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation
Show ProductVEGAMET 341
1 x 4 … 20 mA sensor input, 1 x 4 … 20 mA current output, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation
Show ProductVEGAMET 342
2 x 4 … 20 mA sensor inputs, 2 x 4 … 20 mA current outputs, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation
Show ProductVEGAMET 841
1 x 4 ... 20 mA sensor input, 1 x 4 ... 20 mA current output, 3 x operating relay, 1 x fail safe relay (instead of operating relay), on-site display, 4-button and smartphone operation
Show ProductVEGAMET 842
2 x 4 ... 20 mA sensor inputs, 2 x 4 ... 20 mA current outputs, 3 x operating relay, 1 x fail safe relay (instead of operating relay), on-site display, 4-button and smartphone operation
Show ProductVEGAMET 861
1 x 4 ... 20 mA/HART sensor input, 2 x digital inputs, 1 x 4 ... 20 mA current output, 4 x operating relay, 1 x fail safe relay (instead of operating relay), on-site display, 4-button and smartphone operation
Show ProductVEGAMET 862
2 x 4 ... 20 mA/HART sensor inputs, 4 x digital inputs, 3 x 4 ... 20 mA current outputs, 6 x operating relays, 1 x fail safe relay (instead of operating relay), on-site display, 4-button and smartphone operation
Show ProductVEGAMET 624
Measured value indication, simple control functions such as remote enquiry of measured values for a 4 ... 20 mA/HART sensor
Show ProductVEGAMET 625
Measured value indication, simple control functions such as remote enquiry of measured values for two HART sensors
Show ProductVEGAMET 391
Measured value indication, simple control functions, remote enquiry of measured data. optimized for water/sewage water industry
Show ProductVEGATOR 141
Transmission of 4 ... 20 mA signals for level signalling
Show ProductVEGATOR 142
Transmission of 4 ... 20 mA signals for level signalling
Show ProductVEGASCAN 693
Measured value indication and remote enquiry of measured data for up to 15 HART sensors
Show ProductPLICSMOBILE T81
Measured data enquiry and remote parameter adjustment for a HART sensor
Show ProductVEGATRENN 141
Single channel separator for 4 … 20 m/HART sensors
Show ProductVEGATRENN 142
Double channel separator for 4 … 20 m/HART sensors
Show ProductVEGATRENN 151
Single channel separator in two-wire technology for 4 … 20 mA sensors
Show ProductVEGATRENN 152
Double channel separator in two-wire technology for 4 … 20 mA sensors
Show ProductOvervoltage protection B 81-35
Pluggable overvoltage protection for supply and signal cables
Show ProductOvervoltage protection B 63-32
Overvoltage protection for Profibus PA and Foundation Fieldbus circuits
Show ProductOvervoltage protection B 63-48
Overvoltage protection for two-wire circuits
Show ProductOvervoltage protection B 62-30 W
Overvoltage protection for Profibus PA and Foundation Fieldbus circuits
Show ProductOvervoltage protection B 62-36 G
Overvoltage protection for two-wire circuits
Show ProductVEGACONNECT
Interface adapter between PC and VEGA instruments
Show ProductVEGABOX 03
Breather housing with ventilation filter
Show ProductEthernet switch
up to 8 RS45 pluggable
Show ProductProfibus PA/DP segment coupler
Simple segment coupler for up to 93.75 kbit/s DP-side
Show ProductG1½ threaded adapter for VEGAFLEX 80 and VEGAPULS 64
VEGAFLEX series 80 cable and rod components
VEGAFLEX series 80 probe extensions
VEGAFLEX series 80 spacers
Spacers or centering weights fix the measuring probe in the middle of the tube.
Show ProductVEGAFLEX series 80 centering/gravity weights
FLEX80 tensioning facility for cable version of FLEX81, FLEX86
VEGADIS adapter
For connection of an external display and adjustment unit or a Secondary sensor.
Show ProductElectronics VEGAFLEX serie 80
Process component VEGAFLEX 81
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VEGAFLEX 81
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