Vega VEGAFLEX 86 Operating Instructions Manual
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Vega VEGAFLEX 86 Operating Instructions Manual

Tdr sensor for continuous level and interface measurement of liquids
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Operating Instructions
TDR sensor for continuous level and
interface measurement of liquids
VEGAFLEX 86
Two-wire 4 ... 20 mA/HART
Coax probe
-196 ... +280 °C
-196 ... +450 °C
Document ID: 42284

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Summary of Contents for Vega VEGAFLEX 86

  • Page 1 Operating Instructions TDR sensor for continuous level and interface measurement of liquids VEGAFLEX 86 Two-wire 4 … 20 mA/HART Coax probe -196 … +280 °C -196 … +450 °C Document ID: 42284...

  • Page 2: Table Of Contents

    Sensor parameter adjustment ..................51 Setup with PACTware ......................52 Connect the PC ......................52 Parameter adjustment with PACTware ................52 Set up with the quick setup ..................... 54 Save parameter adjustment data..................55 VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 3 12.4 Trademark ........................83 Safety instructions for Ex areas: Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions. Editing status: 2023-05-23 VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 4: About This Document

    Symbols used Document ID This symbol on the front page of this instruction refers to the Docu- ment ID. By entering the Document ID on www.vega.com you will reach the document download. Information, note, tip: This symbol indicates helpful additional infor- mation and tips for successful work.

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use VEGAFLEX 86 is a sensor for continuous level measurement. You can find detailed information about the area of application in chapter " Product description". Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions.

  • Page 6: Namur Recommendations

    That is why we have introduced an environment management system with the goal of continuously improving company environmental pro- tection. The environment management system is certified according to DIN EN ISO 14001. Please help us fulfil this obligation by observing the environmental instructions in this manual: • Chapter " Packaging, transport and storage" • Chapter " Disposal" VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 7: Product Description

    Scope of this operating This operating instructions manual applies to the following instrument instructions versions: • Hardware from 1.0.0 • Software from 1.3.0 • Only for instrument versions without SIL qualification Type label The type label contains the most important data for identification and use of the instrument: VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 8 Alternatively, you can access the data via your smartphone: • Download the VEGA Tools app from the " Apple App Store" or the " Google Play Store" • Scan the QR-code on the type label of the device or •...

  • Page 9: Principle Of Operation

    3 Product description Principle of operation Application area The VEGAFLEX 86 is a level sensor with coax probe for continuous level or interface measurement, suitable for applications in liquids with high temperatures up to 450 °C (842 °F). Functional principle -...
  • Page 10 Example: upper medium dielectric constant 2, lower medium at least dielectric constant 12. Gas phase (L3) • Air or gas mixture • Gas phase - dependent on the application, gas phase does not always exist (d2 = 0) VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 11: Packaging, Transport And Storage

    The integrated Bluetooth module (optional) enables wireless adjust- ment via standard adjustment devices. VEGACONNECT The interface adapter VEGACONNECT enables the connection of communication-capable instruments to the USB interface of a PC. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 12 3 Product description The VEGADIS 81 is an external display and adjustment unit for VEGA VEGADIS 81 plics sensors. ® VEGADIS adapter The VEGADIS adapter is an accessory part for sensors with double chamber housing. It enables the connection of VEGADIS 81 to the sensor housing via an M12 x 1 plug.

  • Page 13: Mounting

    Note: Process conditions For safety reasons, the instrument must only be operated within the permissible process conditions. You can find detailed information on the process conditions in chapter " Technical data" of the operating instructions or on the type label. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 14: Mounting Instructions

    Fig. 4: Vessel with conical bottom Welding work Before beginning the welding work, remove the electronics module from the sensor. By doing this, you avoid damage to the electronics through inductive coupling. Inflowing medium Do not mount the instruments in or above the filling stream. Make sure that you detect the medium surface, not the inflowing product. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 15 In case of strong external vibrations or if there is a danger of the co- axial probe touching the vessel wall, then the probe must be fastened at the bottom end. Keep in mind that measurement is not possible below the fastening point. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 16 Information: The spacer may be incorporated in the vessel insulation up to max. 50 mm (1.97 in). Only then is a reliable temperature decoupling guaranteed. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 17 The prerequisite is constant temperature and pressure in the vessel. Automatic correction via the reference distance The VEGAFLEX 86 can be equipped optionally with a running time correction via reference distance. The probe can carry out an auto- matic running time correction with it.
  • Page 18 4 Mounting Fig. 8: Measuring ranges - VEGAFLEX 86 with steam compensation Reference plane Probe length L Measuring range Upper blocking distance with steam compensation Lower blocking distance Reference measurement distance to steam compensation Length of the reference measuring distance VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 19: Connecting To Power Supply

    You have to remove these plugs before electrical connection. NPT thread: In the case of instrument housings with self-sealing NPT threads, it is not possible to have the cable entries screwed in at the factory. The VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 20: Connecting

    1. Unscrew the housing lid 2. If a display and adjustment module is installed, remove it by turn- ing it slightly to the left 3. Loosen compression nut of the cable gland and remove blind plug VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 21: Wiring Plan, Single Chamber Housing

    10. Reinsert the display and adjustment module, if one was installed 11. Screw the housing lid back on The electrical connection is finished. Wiring plan, single chamber housing The following illustration applies to the non-Ex, Ex ia and Ex d version. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 22: Wiring Plan, Double Chamber Housing

    The following illustration applies to the non-Ex, Ex ia and Ex d version. Electronics compartment 4...20mA 6 7 8 Fig. 11: Electronics compartment - double chamber housing Internal connection to the connection compartment For display and adjustment module or interface adapter VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 23 For display and adjustment module or interface adapter For external display and adjustment unit Ground terminal for connection of the cable screening Connection compart- ment - Radio module PLICSMOBILE 81 Status Send Fig. 13: Connection compartment - Radio module PLICSMOBILE 81 Voltage supply You can find detailed information for connection in the operating instructions " PLICSMOBILE". VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 24: Wiring Plan, Ex D Ia Double Chamber Housing

    (optional) Note: HART multidrop mode is not possible when using an Ex d ia instru- ment. Connection compartment 4...20mA Fig. 15: Connection compartment - Ex d ia double chamber housing Voltage supply, signal output Ground terminal for connection of the cable screening VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 25: Double Chamber Housing With Vegadis-Adapter

    Pin 1 Pin 2 Pin 3 Pin 4 Contact pin Colour, connection ca- Terminal, electronics ble in the sensor module Pin 1 Brown Pin 2 White Pin 3 Blue Pin 4 Black VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 26: Wiring Plan - Version Ip66/Ip68 (1 Bar)

    PC • The output signal jumps briefly to the set fault current Then the actual measured value is output to the signal cable. The value takes into account settings that have already been carried out, e.g. default setting. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 27: Set Up With The Display And Adjustment Module

    The display and adjustment module is powered by the sensor, an ad- ditional connection is not necessary. Fig. 20: Installing the display and adjustment module in the electronics compart- ment of the single chamber housing VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 28: Adjustment System

    – Confirm selected menu – Edit parameter – Save value • [->] key: – Change measured value presentation – Select list entry – Select editing position • [+] key: – Change value of the parameter VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 29 [OK] will not be saved. Switch-on phase After switching on, the VEGAFLEX 86 carries out a short self-test where the device software is checked. The output signal transmits a fault signal during the switch-on phase. The following information is displayed on the display and adjustment module during the startup procedure: •...

  • Page 30: Parameter Adjustment - Quick Setup

    • False signal suppression You can find the description of the individual menu items in the follow- ing chapter " Parameter adjustment - Extended adjustment". Parameter adjustment - Extended adjustment For technically demanding measuring points, you can carry out extended settings in " Extended adjustment". The main menu is divided into five sections with the following func- Main menu tions: VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 31 For the distance units you can choose between m, mm and ft and for the temperature units °C, °F and K. Probe length In this menu item you can enter the probe length or have the length determined automatically by the sensor system. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 32 You can choose between the following medium types: Dielectric con- Type of medium Examples stant > 10 Water-based liq- Acids, alcalis, water uids 3 … 10 Chemical mix- Chlorobenzene, nitro lacquer, aniline, tures isocyanate, chloroform < 3 Hydrocarbons Solvents, oils, liquid gas VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 33 Enter the appropriate distance value in m (corresponding to the percentage value) for the full vessel. The distance refers to the sensor reference plane (seal surface of the process fitting). Keep in mind that the max. level must lie below the blocking distance. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 34 " Application". Enter the requested percentage value for the min. adjustment (inter- face). Enter the respective distance value in m for the interface correspond- ing to the percentage value of the interface. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 35 For non-linear vessel forms, enter the vessel height and the socket correction. For the vessel height, you have to enter the total height of the vessel. For the nozzle correction you have to enter the height of the nozzle above the upper edge of the vessel. If the nozzle is lower than the up- per edge of the vessel, this value can also be negative. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 36 The default setting is min. current 3.8 mA and max. current 20.5 mA. False signal suppression The following circumstances cause interfering reflections and can influence the measurement: • High mounting nozzles • Vessel internals such as struts VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 37 In the menu item " Lock/unlock adjustment", you can protect the sen- Lock/Unlock adjustment sor parameters against unauthorized or inadvertent modification. The PIN is activated/deactivated permanently. With active PIN, only the following adjustment functions are possible without entering a PIN: VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 38 The submenu points are described below. Menu language This menu item enables the setting of the requested national lan- guage. In delivery status, the sensor is set to English. Displayed value 1 In this menu item, you define the indication of the measured value on the display. You can display two different measured values. In this menu item, you define measured value 1. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 39 In delivery status, the lighting is switched on. 6.4.3 Diagnostics Device status In this menu item, the device status is displayed. When the instrument displays a fault signal, you can here get detailed information on the failure reason. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 40 The respective min. and max. measured values are saved in the sensor. The values are displayed in the menu item " Peak indicator Additional". This menu item displays the peak values of the electronics tempera- ture as well as the dielectric constant. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 41 During simulation, the simulated value is output as 4 … 20 mA current value and digital HART signal. Push the [ESC] key to deactivate the simulation. Information: The simulation is terminated automatically 60 minutes after the activa- tion of the simulation. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 42 In this menu item, the internal clock of the sensor is set. Reset After a reset, certain parameter adjustments made by the user are reset. Note: After this menu window, the reset process is carried out. No further safety inquiry follows. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 43 0.0 s Damping - Interface 0.0 s Linearization type Linear Linearisation - Socket correction 0 mm Linearisation - Vessel height Probe length Scaling variable - Level Volume in l Scaling unit - Level Litres VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 44 Default value 0000 Date Actual date Time Actual time Time - Format 24 hours Probe type Device-specific Copy instrument settings The instrument settings are copied with this function. The following functions are available: VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 45 Since scaling is very extensive, scaling of the level value was divided into two menu items. Scaling level - Scaling In menu item " Scaling variable" you define the scaling variable and prime the scaling unit for the level value on the display, e.g. volume in l. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 46 0 % and 100 %. Since scaling is very extensive, scaling of the level value was divided Current output into two menu items. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 47 In this menu item you gain access to the protected area where you can enter special parameters. In exceptional cases, individual parameters can be modified in order to adapt the sensor to special requirements. Change the settings of the special parameters only after having con- tacted our service staff. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 48: Save Parameter Adjustment Data

    In the display and adjust- If the instrument is equipped with a display and adjustment module, ment module the parameter adjustment data can be saved therein. The procedure is described in menu item " Copy device settings". VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 49: Set Up With Smartphone/Tablet/Pc/Notebook Via Bluetooth

    PIN in the adjustment menu of the respective sensor, e.g. to " 1111". Use " OK" to switch to the input menu. Basic adjustment Display Diagnostics Service Info Deactivate permanently? VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 50: Connecting

    Bluetooth-capable instru- ments in the area. PC/Notebook Start PACTware and the VEGA project assistant. Select the device search via Bluetooth and start the search function. The device auto- matically searches for Bluetooth-capable devices in the vicinity.

  • Page 51: Sensor Parameter Adjustment

    After successful authentication, the next con- nection functions without authentication. For authentication, enter in the next menu window the 4-digit sensor PIN. Sensor parameter adjustment The sensor parameterization is carried out via the adjustment app on the smartphone/tablet or the DTM on the PC/notebook. App view Fig. 26: Example of an app view - Setup sensor adjustment VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 52: Setup With Pactware

    Note: With power supply units with integrated HART resistance (internal resistance approx. 250 Ω), an additional external resistance is not necessary. This applies, e.g. to the VEGA instruments VEGAMET 381, VEGAMET 391. Common Ex separators are also usually equipped with a sufficient current limiting resistance. In such cases, the interface adapter can be connected parallel to the 4 … 20 mA cable (dashed line in the previous illustration).
  • Page 53 In addition, there is a tank calculation program as well as a multiviewer for display and analysis of the saved measured value and echo curves. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 54: Set Up With The Quick Setup

    2 Extended adjustment Maintenance Quick setup With quick setup you can carry out the parameter adjustment of VEGAFLEX 86 for your application in just a few simple steps. The assistant-driven adjustment includes the basic settings for simple, reliable setup and commissioning. Information: If the function is inactive, then possibly no instrument is connected.

  • Page 55: Save Parameter Adjustment Data

    Click to the button " Quick setup", to start the assistant-driven adjust- ment for a simplified and reliable setup. Save parameter adjustment data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 56: Set Up With Other Systems

    This software is updated via the Internet and new EDDs are automatically accepted into the device catalogue of this software after they are released by the manufacturer. They can then be transferred to a Field Communicator. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 57: Diagnosis, Asset Management And Service

    • Switch-on and switch-off times • Status messages (according to NE 107) • Error messages (according to NE 107) The data are read out via a PC with PACTware/DTM or the control system with EDD. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 58: Asset Management Function

    This status message is always active. It cannot be deactivated by the user. Function check: The instrument is being worked on, the measured value is temporarily invalid (for example during simulation). This status message is inactive by default. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 59 EMC interference Remove EMC influences Bit 12 of Byte 0 … 5 Communica- Transmission error during ex- Exchange four-wire power sup- tion error ternal communication with ply unit or electronics four-wire power supply unit VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 60 Level echo in the close range not Reduce level Bit 9 of available Byte 14 … 24 Overfilling 100 % adjustment: Increase value Check mounting socket Remove possible interfering signals in the close range Use coaxial probe VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 61: Rectify Faults

    The operator of the system is responsible for taking suitable meas- tion occurs ures to rectify faults. Fault rectification The first measures are: • Evaluation of fault messages • Checking the output signal • Treatment of measurement errors VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 62 If the output level is constant, the cause could also be the fault setting of the output to " Hold value". If the level is too low, the reason could be a line resistance that is too high VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 63 Eliminate false signals in the close range ≥ 100 % or 0 m distance close range due to false signals in the Check installation conditions close range. The sensor goes into over- If possible, switch off the function "Over- fill protection mode. The max. level (0 m fill protection" distance) as well as the status message "Overfill protection" are output. time VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 64: Exchanging The Electronics Module

    24 hour service hotline Should these measures not be successful, please call in urgent cases the VEGA service hotline under the phone no. +49 1805 858550. The hotline is also available outside normal working hours, seven days a week around the clock.

  • Page 65: Software Update

    Attach the completed form and, if need be, also a safety data sheet outside on the packaging • Ask the agency serving you to get the address for the return ship- ment. You can find the agency on our homepage. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 66: Dismount

    If personal data is stored on the old device to be disposed of, delete it before disposal. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 67: Supplement

    Ʋ Supporting material 316L Ʋ Glass potting Borosilicate glass GPC 540 Aluminium, stainless steel precision casting and Ex d housing VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 68 In order to detect the rarely occurring hardware failures in the device, we recommend monitoring both interfer- ence values (≥ 21 mA, ≤ 3.6 mA) Max. output current 21.5 mA Starting current Ʋ for 5 ms after switching on ≤ 10 mA Ʋ for run-up time ≤ 3.6 mA VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 69 +860 … +1060 mbar/+86 … +106 kPa (+12.5 … +15.4 psig) The output values can be assigned individually. The indication values can be assigned individually. The indication values can be assigned individually. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 70 Measuring range (default setting refers to the measuring range in water) Upper blocking distance (see following diagrams - grey section) Lower blocking distance (see following diagrams - grey section) With interface measurement = 2.0 VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 71 ") Fig. 34: Deviation VEGAFLEX 86 in coax version in water (measurement length up to 1.5 m/4.92 ft) Blocking distance (no measurement possible in this area) Probe length 6 mm (0.236 ") -6 mm (-0.236 ") -10 mm (-0.394 ") 0,1 m 0,03 m (1.18 " (3.937 ") Fig. 35: Deviation VEGAFLEX 86 in coax version in water (measurement length up to 6 m/19.69 ft) Blocking distance (no measurement possible in this area) Probe length Depending on the mounting conditions, deviations can occur which can be rectified by adapting the adjustment or changing the measured value offset in the DTM service mode. The blocking distances can be optimized via a false signal suppression. VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 72 690 mm (27.17 in) > 1250 mm (49.21 in) ± 5 % 750 mm (29.53 in) 940 mm (37.01 in) > 1500 mm (59.06 in) ± 3 % Non-repeatability ≤ ±1 mm Variables influencing measurement accuracy Specifications for the digital measured value VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 73 -40 … +60 °C (-40 … +140 °F) Also for the additional current output (optional). Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2). VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 74 -196 … +450 °C (-321 … +842 °F) The measurement error from the process conditions is in the specified pressure and temperature range of below 1 %. with anti-corrosion coating - Novolak max. +150 °C (+302 °F) on the flange surface epoxy resin according to Norsok 6C (optional) VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 75 (5160 psig) 200 bar (2900 psig) 100 bar (1450 psig) -196°C -100°C 0°C 100°C 200°C 280°C (-321°F) (-148°F) (32°F) (212°F) (392°F) (536°F) Fig. 40: Process pressure - process temperature (version -196 … +280 °C/-321 … +536 °F) Process temperature (depending on the seal material) Process pressure VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 76 6 … 12 mm 7 … 12 mm 10 … 14 mm – ● ● – ● Brass, nickel- ● ● ● – – plated Stainless – ● ● – ● steel VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 77 Ʋ Output Via the respective output signal Voltage supply Operating voltage U 9.6 … 35 V DC Operating voltage U with lighting 16 … 35 V DC switched on Reverse voltage protection Integrated VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 78: Dimensions

    Ʋ with connected overvoltage protection up to 5000 m (16404 ft) Pollution degree (with fulfilled housing protection) Protection rating (IEC 61010-1) 12.2 Dimensions The following dimensional drawings represent only an extract of all possible versions. Detailed dimensional drawings can be downloaded at www.vega.com/downloads under " Drawings". VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 79 ~ 116 mm ~ 87 mm (3.43") (4.57") ø 86 mm ø 86 mm (3.39") (3.39") M16x1,5 M20x1,5 M20x1,5/ ½ NPT M20x1,5/ ½ NPT Fig. 43: Housing versions with protection rating IP66/IP68 (0.2 bar), (with integrated display and adjustment mod- ule the housing is 9 mm/0.35 in higher) Aluminium - single chamber Aluminium - double chamber VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 80 (3.15") (3.11") M16x1,5 M20x1,5/ ½ NPT M20x1,5/ M20x1,5/ ½ NPT ½ NPT Fig. 45: Housing versions with protection rating IP66/IP68 (0.2 bar), (with integrated display and adjustment mod- ule the housing is 9 mm/0.35 in higher) Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 81 ø 84 mm (3.31") (3.31") (3.03") M16x1,5 M20x1,5 M20x1,5 M20x1,5 M20x1,5/ ½ NPT Fig. 46: Housing versions in protection IP66/IP68 (1 bar),(with integrated display and adjustment module the hous- ing is 9 mm/0.35 in higher) Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 82 VEGAFLEX 86, coax version SW 60 (2.36") G1½ / 1½ NPT ø 42,2 mm ø 42,2 mm (1.66") (1.66") Fig. 47: VEGAFLEX 86, threaded version Sensor length, see chapter " Technical data" Temperature version -196 … +280 °C (-321 … 536 °F) Temperature version -196 … +450 °C (-321 … 842 °F) Max. height of the vessel insulation VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...

  • Page 83: Industrial Property Rights

    Les lignes de produits VEGA sont globalement protégées par des droits de propriété intellec- tuelle. Pour plus d'informations, on pourra se référer au site www.vega.com. VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad indus- trial. Para mayor información revise la pagina web www.vega.com.
  • Page 84 Scaling measured value 45, 46 Factory calibration date 48 Sensor characteristics 48 False signal suppression 36 Service hotline 64 Fault rectification 61 Simulation 41 Functional principle 9 Special parameters 47 Gas phase 33 Type label 7 Grounding 20 VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 85 INDEX Type of medium 32 Units 31 Vessel insulation 16 VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 86 Notes VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 87 Notes VEGAFLEX 86 • Two-wire 4 … 20 mA/HART...
  • Page 88 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2023 VEGA Grieshaber KG Am Hohenstein 113 Phone +49 7836 50-0 77761 Schiltach E-mail: info.de@vega.com...

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