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Vega VEGAFLEX 83 Operating Instructions Manual

Tdr sensor for continuous level and interface measurement of liquids
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Download this manual See also: Operating Instructions Manual
Operating Instructions
TDR sensor for continuous level and
interface measurement of liquids
VEGAFLEX 83
Two-wire 4 ... 20 mA/HART
Polished rod probe
With SIL qualification
Document ID: 44225

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Summary of Contents for Vega VEGAFLEX 83

  • Page 1 Operating Instructions TDR sensor for continuous level and interface measurement of liquids VEGAFLEX 83 Two-wire 4 … 20 mA/HART Polished rod probe With SIL qualification Document ID: 44225...

  • Page 2: Table Of Contents

    Insert display and adjustment module ................34 Adjustment system ......................35 Parameter adjustment - Extended adjustment..............36 Saving the parameterisation data ................... 57 Setup with PACTware ......................58 Connect the PC ......................58 VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 3 12.4 Trademark ........................91 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: 2018-11-05 VEGAFLEX 83 • 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, tip, note This symbol indicates helpful additional information.

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use VEGAFLEX 83 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: Eu Conformity

    This information is only valid for USA and Canada. Hence the follow- ing text is only available in the English language. Installations in the US shall comply with the relevant requirements of the National Electrical Code (ANSI/NFPA 70). VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 7: Environmental Instructions

    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 83 • Two-wire 4 … 20 mA/HART...

  • Page 8: Product Description

    Go to "www.vega.com", "Search". Enter the serial number. Alternatively, you can access the data via your smartphone: • Download the VEGA Tools app from the "Apple App Store" or the "Google Play Store" VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 9: Principle Of Operation

    Optionally an autoclaved version with separable housing is available. Due to the qualification up to SIL2 or homogeneous redundant up to SIL3 (IEC 61508) the VEGAFLEX 83 is suitable for the use in safety- instrumented systems (SIS). The safety function (SIF) can be a monitoring of the max. or min. level or a combination of both.
  • Page 10 Distance to the interface d2 Distance to the level TS Thickness of the upper medium (d1 - d2) h1 Height - Interface h2 Height - Level L1 Lower medium L2 Upper medium L3 Gas phase VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 11: Packaging, Transport And Storage

    Storage Up to the time of installation, the packages must be left closed and stored according to the orientation and storage markings on the outside. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 12: Accessories And Replacement Parts

    PACTware with VEGA-DTM is required. You can find further information in the operating instructions "Interface adapter VEGACONNECT" (Document-ID 32628). VEGADIS 81 The VEGADIS 81 is an external display and adjustment unit for VEGA plics sensors. ® For sensors with double chamber housing the interface adapter "VEGADIS adapter"...
  • Page 13 10 m (147 ft) to the sensor by using a connection cable. You can find additional information in the operating instructions manual "External housing" (Document-ID 46802). Centering If you mount the VEGAFLEX 83 in a bypass tube or standpipe, you have to avoid contact to the bypass tube by using a spacer at the probe end. You can find additional information in the operating instructions manual "Centering".
  • Page 14 Rod ø 8 mm (0.315 in) • Basic segment: 450 mm (17.72 in) • Rod segments: 450 … 480 mm (17.72 … 18.9 in) • End segment: 26 … 480 mm (1.02 … 18.9 in) You can find further information in the operating instructions manual "Rod and cable components VEGAFLEX 80 series". VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 15: Mounting

    • Process seal Process conditions in particular are: • Process pressure • Process temperature • Chemical properties of the medium • Abrasion and mechanical influences You can find detailed information on the process conditions in chapter "Technical data" as well as on the type label. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 16: Mounting Instructions

    Mounting instructions Installation position Mount VEGAFLEX 83 in such a way that the distance to vessel instal- lations or to the vessel wall is at least 300 mm (12 in). In non-metallic vessels, the distance to the vessel wall should be at least 500 mm (19.7 in).
  • Page 17 In such cases, always carry out a false signal suppression after mounting. You can find further information under "Setup procedure". DN25 ... DN150 ≤ 150 mm ( 5.91") ≤ 100 mm ( 3.94") > DN150 ... DN200 Fig. 6: Mounting socket When welding the socket, make sure that the socket is flush with the vessel top. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 18 - measurement in these areas is not possible (dead band). The length of the cable can be used all the way to the end only when measuring conductive VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 19 You can find further information in the supplementary instructions of the rod and cable components. Autoclaved version For use in an autoclave, e.g. for sterilization, the VEGAFLEX 83 is available as autoclaved version. Hence you can separate the housing from the process fitting. Under very harsh ambient conditions, the autoclavable version can be optionally also combined with an external housing.
  • Page 20 ø w DIN DN25, DN32, DN40 / 1", 1½" ø 50,5 DIN DN50 / 2" ø 64 DIN DN65 / 3" ø 91 Fig. 9: Autoclaved version Groove nut 2 Process fitting 3 Cover with groove nut VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 21: Connecting To Power Supply

    Connection to signal con- The signal conditioning instruments VEGAMET and VEGASCAN ditioning instruments have digital sensor recognition. When connecting VEGAFLEX 83, an up-to-date version of the signal conditioning instrument software is required. For a software update go to "www.vega.com/downloads" and "Software".

  • Page 22: Connecting

    When reinserting the terminal block, you should hear it snap in. Connection procedure Proceed as follows: 1. Unscrew the housing lid 2. If a display and adjustment module is installed, remove it by turn- ing it slightly to the left VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 23: 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-ia version. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 24: Wiring Plan, Double Chamber Housing

    The following illustrations apply to the non-Ex as well as to the Ex-ia version. Electronics compartment 4...20mA 6 7 8 Fig. 12: Electronics compartment - double chamber housing Internal connection to the connection compartment For display and adjustment module or interface adapter VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 25: Wiring Plan, Ex-D-Ia Double Chamber Housing

    6 7 8 Fig. 14: Electronics compartment - double chamber housing Internal connection to the connection compartment For display and adjustment module or interface adapter Internal connection to the plug connector for external display and adjust- ment unit (optional) VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 26: Double Chamber Housing With Vegadis-Adapter

    1 VEGADIS adapter Internal plug connection Plug connector M12 x 1 Assignment of the plug connector Fig. 17: View to the plug connector M12 x 1 Pin 1 Pin 2 Pin 3 Pin 4 VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 27: Wiring Plan - Version Ip 66/Ip 68, 1 Bar

    Ground terminal for connection of the cable screening Switch-on phase After connecting the instrument to voltage supply or after a voltage recurrence, the instrument carries out a self-check for approx. 30 s: VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 28 As soon as a plausible measured value is found, the corresponding current is output to the signal cable. The value corresponds to the actual level as well as the settings already carried out, e.g. factory setting. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 29: Functional Safety (Sil)

    Application area The instrument can be used for point level detection or level measure- ment of liquids and bulk solids in safety-instrumented systems (SIS) according to IEC 61508 and IEC 61511. Take note of the specifica- tions in the Safety Manual. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 30: Safety Concept Of The Parameterization

    FDT/DTM standard, e. g. PACTware Note: To operate VEGAFLEX 83, the DTM Collection version 1.67.2 or higher is required. The modification of safety-relevant parameters is only possible with active connection to the instrument (online mode). To avoid possible errors during parameterisation in a non-safe operat-...

  • Page 31: Setup Process

    Setup - Function test When locking the adjustment, the instrument checks the data of the measurement loop and decides on the basis of the evaluation results if a function test is required. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 32 If you have to interrupt the function, you can leave the VEGAFLEX 83 in the respective situation. As long as VEGAFLEX 83 is powered, the display and adjustment module remains in the currently set adjustment menu.
  • Page 33 Then you carry out a comparison of two character strings. You must confirm that the character strings are identical. This is used to check the character presentation. Then you confirm that the serial number of your instrument has been carried over correctly. This is used to check device communication. Then, all modified parameters that have to be confirmed are listed. After this process is terminated, the safety function is again ensured. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 34: 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 83 • Two-wire 4 … 20 mA/HART...

  • Page 35: Adjustment System

    Adjustment keys • Key functions [OK] key: – Move to the menu overview – Confirm selected menu – Edit parameter – Save value • [->] key: – Change measured value presentation – Select list entry VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 36: Parameter Adjustment - Extended Adjustment

    [OK] will not be saved. Switch-on phase After switching on, the VEGAFLEX 83 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 37 You can enter names with max. 19 characters. The character set comprises: • Capital letters from A … Z • Numbers from 0 … 9 • Special characters + - / _ blanks VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 38 (SIL). Setup - Application - Me- In this menu item, you can define the type of medium (product). dium, dielectric constant This menu item is only available if you have selected level measure- ment under the menu item "Application". VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 39 In this menu item you can enter the max. adjustment for the level. With Level interface measurement this is the maximum total level. Adjust the requested percentage value with [+] and store with [OK]. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 40 As an alternative, you have the possibility taking over the adjustment of the level measurement also for the interface. Enter the respective distance value in m for the surface of the upper medium corresponding to the percentage value. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 41 In the following, you have to enter the values for your vessel, for example the vessel height and the socket correction. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 42 Setup - Current output In the menu item "Current output Min./Max.", you determine the reac- Min./Max. tion of the current output during operation. The default setting is min. current 3.8 mA and max. current 20.5 mA. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 43 The menu item "Delete" is used to completely delete an already cre- ated false signal suppression. This is useful if the saved false signal suppression no longer matches the metrological conditions in the vessel. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 44 You can find the detailed sequence of the function test in chapter "Functional safety (SIL)" For this purpose, you should know the filling height of the vessel as well as the min. and max. levels respectively for 4 and 20 mA. You then can calculate the respective output current. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 45 This deviation depends on the the accuracy requirements of your measurement loop. Determine the permissible tolerance for the deviation. If you have to interrupt the function, you can leave the VEGAFLEX 83 in the respective situation. As long as VEGAFLEX 83 is powered, the display and adjustment module remains in the currently set adjustment menu.
  • Page 46 Display - Displayed value 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 2. The default setting for the displayed value 2 is the electronics tem- perature. Display - Display format In this menu item, you define the display format of the measured value on the display. You can define different display formats for the two measured values. You can thus define the number of decimal positions the measured value is displayed with. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 47 The two values are displayed in the menu item "Peak values, measurement reliability". The measurement can be influenced by the process conditions. In this menu item, the measurement reliability of the level measure- ment is displayed in mV. The higher the value, the more reliable the measurement. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 48 With the following functions you can zoom part sections of the echo curve. • "X-Zoom": Zoom function for the meas. distance • "Y-Zoom": 1, 2, 5 and 10x signal magnification in "V" • "Unzoom": Reset the presentation to the nominal measuring range without magnification VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 49 PACTware. With the adjustment software PACTware and the PC the high-reso- lution echo curve can be displayed and used later on to assess the quality of the measurement. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 50 Basic settings: Resetting of the parameter settings incl. special parameters to the default values (presettings) of the respective instru- ment. Any created false signal suppression or user-programmable lin- earization curve as well as the measured value memory are deleted. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 51 Setup Integration time - Level 0.0 s Integration time - Interface 0.0 s Setup Linearization type Linear Linearization - Socket correction 0 mm Linearization - Vessel height Probe length VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 52 Fourth HART variable (QV) Electronics temperature Menu - Display Menu Menu item Default value Display Language Selected language Displayed value 1 Filling height Level Displayed value 2 Electronics temperature Backlight Switched on VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 53 The following data or settings for adjustment of the display and ad- justment module are saved: • All data of the menu "Setup" and "Display" • In the menu "Additional adjustments" the items "Reset, Date/Time" • Special parameters VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 54 0 % and 100 %. Additional settings - Scal- Since scaling is very extensive, scaling of the interface value was ing interface divided into two menu items. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 55 In this menu item you can select the type and size of your probe from Probe type a list of all possible probes. This is necessary to adapt the electronics optimally to the probe. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 56 PC. Info - Sensor character- In this menu item, the features of the sensor such as approval, pro- istics cess fitting, seal, measuring range, electronics, housing and others are displayed. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 57: Saving The Parameterisation 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 83 • Two-wire 4 … 20 mA/HART...

  • Page 58: 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 VEGATRENN 149A, VEGAMET 381, VEGAMET 391. Common Ex separators are also usually equipped with a sufficient current limiting resistance. In such cases, the interface converter can be connected parallel to the 4 …...
  • Page 59 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 83 • Two-wire 4 … 20 mA/HART...

  • Page 60: Saving The Parameterisation Data

    CD from the agency serving you. Saving the parameterisation data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 61: 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 83 • Two-wire 4 … 20 mA/HART...

  • Page 62: Diagnostics And Servicing

    Event memory Up to 500 events are automatically stored with a time stamp in the sensor (non-deletable). Each entry contains date/time, event type, event description and value. Event types are for example: VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 63: Status Messages

    Fig. 27: Pictographs of the status messages Failure - red 2 Out of specification - yellow Function check - orange Maintenance - blue Failure: Due to a malfunction in the instrument, a fault message is output. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 64 Bit 6 of phase, the measured value could phase Byte 0 … 5 Measured value • not yet be determined Duration depending on the version is determined and parameter adjustment max. 5 min. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 65 Wait for the automatic end after Active" in "Stand- Simulation active 60 mins. ardized Status 0" • • C701 Parameter verification was inter- Finish parameter verification Bit 12 of rupted Byte 14 … 24 Parameter verifi- cation Tab. 8: Error codes and text messages, information on causes as well as corrective measures VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 66: Rectify Faults

    Check the 4 … 20 mA Connect a multimeter in the suitable measuring range according to signal the wiring plan. The following table describes possible errors in the current signal and helps to eliminate them: VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 67 • • Incorrect linearisation curve Adapt linearisation curve • • Running time error (small measure- Repeat setup ment error close to 100 %/serious error close to 0 %) time VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 68 • in the close range. The sensor goes Check installation conditions • into overfill protection mode. The max. If possible, switch off the function level (0 m distance) as well as the "Overfill protection" status message "Overfill protection" are output. time VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 69: 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 70: Exchanging The Rod

    3. Push the enclosed new seal ring onto the thread. 4. Screw the new rod carefully by hand onto the thread on the pro- cess fitting. 5. Exert counterforce manually and tighten the rod on the flat sur- faces with a torque of 4.5 Nm (3.32 lbf ft). VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 71: Exchanging The Seal

    FEPM (Vi 602 Extreme-ETP, COG), -10 … +150 °C Caution: Remember that the polished rod of the food version is very sensitive to damage and scratching. Use special tools in order to avoid damag- ing the surface. 1. Loosen the rod by applying a fork spanner to the flat surfaces (SW 10), provide counterforce manually on the process fitting VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 72 3. Push the enclosed new seal ring (9.25 x 1.78) onto the thread of the measuring rod. Fig. 38: Exchanging the measuring rod Sealing ring (9.25 x 1.78) 4. Loosen process fitting with a suitable wrench. 5. Unscrew the process fitting manually from the sensor. 6. Remove the old seal out of the process fitting. 7. Insert the attached new seal ring (15.54 x 2.62) into the process fitting. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 73: Software Update

    10.8 Software update The following components are required to update the sensor soft- ware: • Sensor • Voltage supply • Interface adapter VEGACONNECT • PC with PACTware • Current sensor software as file VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 74: How To Proceed If A Repair Is Necessary

    You can find an instrument return form as well as detailed informa- tion about the procedure in the download area of our homepage: www.vega.com. By doing this you help us carry out the repair quickly and without having to call back for needed information. In case of repair, proceed as follows: •...

  • Page 75: Dismount

    Pass the instrument directly on to a specialised recycling company and do not use the municipal collecting points. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 76: Supplement

    Ʋ Rod: ø 8 mm (0.315 in), polished up to 4 m (13.12 ft) - also possible for segmented rods Ʋ Trimming accuracy (rod) ±1 mm + 0.05 % of the rod length All wetted parts. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 77 Signal resolution 0.3 µA Fault signal, current output (adjustable) Last valid measured value, ≥ 21 mA, ≤ 3.6 mA Max. output current 21.5 mA Starting current ≤ 10 mA for 20 ms after switching on, ≤ 3.6 mA The output values can be assigned individually. The indication values can be assigned individually. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 78 Ʋ Mounting Probe end does not touch the vessel bottom Sensor parameter adjustment No gating out of false signals carried out The indication values can be assigned individually. With interface measurement = 2.0 VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 79 Typical deviation - Total level interface See following diagrams measurement Typical deviation - Level measurement See following diagrams 6)7) 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 dead bands can be optimized via a false signal suppression. VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 80 Dead band (no measurement possible in this area) Probe length Repeatability ≤ ±1 mm Specifications of the safety tolerance See "Safety Manual" (SIL) Variables influencing measurement accuracy Specifications for the digital measured value Temperature drift - Digital output ±3 mm/10 K relating to the max. measuring range or max. 10 mm (0.394 in) VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 81 -40 … +80 °C (-40 … +176 °F) ture 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 83 • Two-wire 4 … 20 mA/HART...
  • Page 82 Vapour stratification up to 2 h +150 °C (+302 F) Mechanical stress Vibration resistance Ʋ Rod probe 1 g with 5 … 200 Hz according EN 60068-2-6 (vibration at resonance) with rod length 50 cm (19.69 in) VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 83 Ʋ Switch Bluetooth On/Off Bluetooth interface Ʋ Standard Bluetooth smart Ʋ Effective range 25 m (82.02 ft) Protection rating Ʋ unassembled IP 20 Ʋ Mounted in the housing without lid IP 40 Materials Ʋ Housing VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 84 < 36 V ≤ 1.0 V (16 … 400 Hz) Permissible residual ripple - Ex-d-ia instrument Ʋ for 18 V< U < 36 V ≤ 1 V (16 … 400 Hz) Load resistor Ʋ Calculation )/0.022 A VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 85: Dimensions

    Instruments with approvals can have different technical specifications depending on the version. For that reason the associated approval documents of these instruments have to be carefully noted. They are part of the delivery or can be downloaded under www.vega.com, "Instrument search (serial number)" as well as in the download area. 12.2 Dimensions The following dimensional drawings represent only an extract of all possible versions.
  • Page 86 ~ 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. 45: Housing versions with protection rating IP 66/IP 68 (0.2 bar), (with integrated display and adjustment module the housing is 9 mm/0.35 in higher) Aluminium - single chamber Aluminium - double chamber VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 87 (3.15") (3.11") M16x1,5 M20x1,5/ ½ NPT M20x1,5/ M20x1,5/ ½ NPT ½ NPT Fig. 47: Housing versions with protection rating IP 66/IP 68 (0.2 bar), (with integrated display and adjustment module 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 83 • Two-wire 4 … 20 mA/HART...
  • Page 88 Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) VEGAFLEX 83, rod version ø 8 mm (0.315 in), polished ø 8 mm (0.32") Fig. 49: VEGAFLEX 83, rod version ø 8 mm (0.315 in), polished Sensor length, see chapter "Technical data"...
  • Page 89 12 Supplement VEGAFLEX 83, rod version ø 8 mm (0.315 in), polished - autoclaved version ø 54 mm (2.13") ø w ø w DIN DN25, DN32, DN40 / 1", 1½" ø 50,5 DIN DN50 / 2" ø 64 DIN DN65 / 3"...
  • Page 90 Extension components - rod extension ø 8 mm (0.315 in), polished ø13 mm (0.51") SW 10 ø8 mm (0.31") Fig. 51: Extension rods with ø 8 mm (0.315 in) 1 Version with threaded fitting 2 Version with flange connection A Basic extension rod with ø 8 mm (0.315 in) B Extension rod with ø 8 mm (0.315 in) C End rod with ø 8 mm (0.315 in) Length (order length) VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...

  • Page 91: 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 92 – Display and adjustment module with False signal suppression 43 Fault rectification 66 heating 13 – Electronics module 13 Functional principle 9 – Rod components 13 Functional safety (SIL) 29 – Spacer 13 Function test 31, 44 Reset 50 VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 93 Scaling measured value 54, 55 Sensor characteristics 56 Sensor status 47 Service hotline 69 SIL 29 Simulation 49 Special parameters 56 Type label 8 Type of medium 38 Units 38 Unlock adjustment 44 Verify parameter 33 VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 94 Notes VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 95 Notes VEGAFLEX 83 • Two-wire 4 … 20 mA/HART...
  • Page 96 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2019 Phone +49 7836 50-0 VEGA Grieshaber KG Am Hohenstein 113...

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