VEGAFLEX 81
TDR sensor for continuous level and interface measurement of liquids
Universal TDR sensor for liquids of all kinds
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
 
                 
                Storage and buffer tanks
Level measurement and point level detection in small storage and buffer tanks
To the application 
                 
                - 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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Product 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
Supplementary instructions
Connection cable
Additional links
Drawing generator
Generate 2D and 3D drawings for your specific configuration.
Configure NowFurther downloads for this product
All documents and software for this product can be found in our Download Center.
Show all downloadsBluetooth USB adapter
 
                                                                            Wireless adjustment of sensors and instruments via Bluetooth
Show ProductVEGADIS 81
 
                                                                            Remote measurement value indication and adjustment of plics® sensors
                                                                                    kr 3,621.00
                                                                                    
VEGADIS 82
 
                                                                            External measured value display and adjustment for 4 ... 20 mA/HART sensors
                                                                                    kr 2,897.00
                                                                                    
VEGADIS 176
 
                                                                            Magnetic 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
                                                                                    kr 4,897.00
                                                                                    
VEGAMET 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
                                                                                    kr 6,300.00
                                                                                    
VEGAMET 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
                                                                                    kr 5,300.00
                                                                                    
VEGAMET 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
                                                                                    kr 6,800.00
                                                                                    
VEGAMET 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
                                                                                    kr 5,800.00
                                                                                    
VEGAMET 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
                                                                                    kr 7,200.00
                                                                                    
VEGAMET 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
                                                                                    kr 8,100.00
                                                                                    
VEGAMET 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
                                                                                    kr 9,700.00
                                                                                    
VEGAMET 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
 
                                                                            VEGATOR 142
 
                                                                            VEGASCAN 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
 
                                                                            VEGATRENN 142
 
                                                                            VEGATRENN 151
 
                                                                            Single channel separator in two-wire technology for 4 … 20 mA sensors
                                                                                    kr 1,598.00
                                                                                    
VEGATRENN 152
 
                                                                            Double channel separator in two-wire technology for 4 … 20 mA sensors
                                                                                    kr 2,333.00
                                                                                    
Overvoltage protection B 81-35
 
                                                                            Overvoltage protection B 63-32
 
                                                                            Overvoltage protection for Profibus PA and Foundation Fieldbus circuits
                                                                                    kr 2,000.00
                                                                                    
Overvoltage protection B 63-48
 
                                                                            Overvoltage protection B 62-30 W
 
                                                                            Overvoltage protection for Profibus PA and Foundation Fieldbus circuits
                                                                                    kr 1,425.00
                                                                                    
Overvoltage protection B 62-36 G
 
                                                                            VEGACONNECT
 
                                                                            Interface adapter between PC and VEGA instruments
Show ProductVEGABOX 03
 
                                                                            Breather housing with ventilation filter
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
Antenna extension PLICSMOBILE
VEGADIS adapter
 
                                                                            For connection of an external display and adjustment unit or a Secondary sensor.
Show ProductElectronics VEGAFLEX serie 80
Process component VEGAFLEX 81
PLICSMOBILE plug connector with SMA connection
Electronics PLICSMOBILE series 80
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VEGAFLEX 81
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