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Vega VEGABAR 82 Operating Instructions Manual

Slave sensor for electronic differential pressure
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Operating Instructions

Pressure transmitter with ceramic
measuring cell
VEGABAR 82
Slave sensor for electronic differential pres-
sure
Document ID: 45050

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Summary of Contents for Vega VEGABAR 82

  • Page 1: Operating Instructions

    Operating Instructions Pressure transmitter with ceramic measuring cell VEGABAR 82 Slave sensor for electronic differential pres- sure Document ID: 45050...

  • Page 2: Table Of Contents

    Rectify faults ........................47 Exchanging the electronics module ................47 Exchange process assembly with version IP 68 (25 bar) ..........47 How to proceed if a repair is necessary ................49 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 3 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 manual. Editing status: 2017-05-17 VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 4: About This Document

    This arrow indicates a single action. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 5: For Your Safety

    During work on and with the device the required personal protective equipment must always be worn. Appropriate use VEGABAR 82 is a slave sensor for electronic differential pressure measurement. You can find detailed information about the area of application in chapter "Product description".

  • Page 6: Eu Conformity

    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" VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 7: Product Description

    Alternatively, you can access the data via your smartphone: • Download the smartphone app "VEGA Tools" from the "Apple App Store" or the "Google Play Store" • Scan the Data Matrix code on the type label of the instrument or •...

  • Page 8: Principle Of Operation

    The respective scope of delivery results from the order specification. Principle of operation Electronic differential The VEGABAR 82 slave sensor is combined with a sensor from the pressure instrument series for electronic differential pressure measurement. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 9 Differential pressure • Density • Interface • Level, density-compensated Application area VEGABAR 82 is suitable for applications in virtually all industries. It is used for the measurement of the following pressure types. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 10 Within only a few measuring cycles the intelligent sensor electronics compensates unavoidable measurement deviations due to tempera- ture shocks. Such shocks cause (depending on the set damping) only slight, brief changes to the output signal. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 11 Seal for the process fitting Front-flush mounting with The front-flush installation is particularly suitable for applications with single seal viscous and abrasive media and in case of buildup. The measuring cell seal is positioned laterally. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 12 The additional, front sealing protects the glass joint of the measuring cell against chemical attack and the measuring cell electronics against diffusion of aggressive gases from the process. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 13 The sealings are installed gap-free. The additional front sealing for the measuring cell protects also the glass joint. A hole in the process fitting is used for leakage detection. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 14: Supplementary Cleaning Procedures

    Caution: The VEGABAR 82 in this version may not be used in oxygen ap- plications. For this purpose, instruments are available in the special version "Oil and grease-free for oxygen applications".

  • Page 15: Accessories And Replacement Parts

    VEGABAR series 80. There is a different version available for each type of signal output. You can find further information in the operating instructions "Elec- tronics module VEGABAR series 80" (Document-ID 45054). VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 16: Mounting

    Vibrations If there is strong vibration at the mounting location, the instrument version with external housing should be used. See chapter "External housing". VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 17: Ventilation And Pressure Compensation

    Ambient temperature Ventilation and pressure compensation Filter elements Ventilation and pressure compensation are carried out with VEGABAR 82 via a filter element. It is air permeable and moisture- blocking. Caution: The filter element causes a time-delayed pressure compensation. When quickly opening/closing the housing cover, the measured value can change for approx.
  • Page 18 Line of Defense following functions: • Ventilation of the electronics housing → Turn the housing so that the filter element points downward after the instrument is installed. This provides better protection against buildup. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 19: Combination Master - Slave

    Pressure type is identical for both sensors, i.e. relative pressure/ relative pressure or absolute pressure/absolute pressure • Master sensor measures the higher pressure • Measurement setup as shown in the following chapters VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 20 Total pressure: 0.8 bar bar + 0.05 bar = 0.85 bar Instrument selection Nominal measuring range Master: 1 bar Nominal measuring range Slave: 1 bar Turn Down: 1 bar/0.050 bar = 20 : 1 VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 21: Level Measurement

    VEGABAR 82, slave sensor 4.5 Differential pressure measurement Measurement setup The master/slave combination is suitable for differential pressure measurement Take note of the following instructions for the measurement setup, for example in gases: VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 22: Interface Measurement

    The mounting distance h of the two sensors should be at least 10 %, better 20 %, of the final value of the sensor measuring range. A bigger distance increases the accuracy of the interface measurement. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 23: Density Measurement

    Requirements for a functioning measurement are: • Vessel with changing level • Product with consistent density • Distance between the measurement points as large as possible • Level always above the upper measuring point VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 24: Density-Compensated Level Measurement

    Mount the master sensor below the min. level • Mount the slave sensor above the master sensor • Mount both sensors away from the filling stream and emptying and protected against pressure shocks from the stirrer VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 25 The density-compensated level measurement is only possible in open, i.e. unpressurized vessels. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 26: External Housing

    1. Mark the holes according to the following drilling template 2. Fasten wall mounting plate with 4 screws 90 mm (3.54") 70 mm (2.76") 8 mm (0.12") (0.32") Fig. 21: Drilling template - wall mounting plate VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 27: Connecting To Power Supply

    In the sensor, the screening is connected directly to the internal ground terminal. The ground terminal on the outside of the housing must be connected to the ground potential (low impedance). VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 28: Connecting

    6. Check the hold of the wires in the terminals by lightly pulling on them 7. Connect the screen to the internal ground terminal, connect the external ground terminal to potential equalisation VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 29: Single Chamber Housing

    To the Master sensor Ground terminal for connection of the cable screen Connect screen here. Connect ground terminal on the outside of the housing to ground as prescribed. The two terminals are galvanically connected. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 30: External Housing With Version Ip 68 (25 Bar)

    5 Connecting to power supply External housing with version IP 68 (25 bar) Overview Fig. 24: VEGABAR 82 in IP 68 version 25 bar with axial cable outlet, external housing Transmitter Connection cable External housing Electronics and connec- tion compartment for power supply 4...20mA...
  • Page 31 To the Master sensor Ground terminal for connection of the cable screen Connect screen here. Connect ground terminal on the outside of the housing to ground as prescribed. The two terminals are galvanically connected. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 32: Connection Example

    Connection between master and sensor is carried out according to the table: Master sensor Slave sensor Terminal 5 Terminal 5 Terminal 6 Terminal 6 Terminal 7 Terminal 7 Terminal 8 Terminal 8 VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 33: Set Up With The Display And Adjustment Module

    Info: Instrument name, hardware and software version, date of manu- facture, sensor features In the main menu item "Setup", the individual submenu items should be selected one after the other and provided with the correct param- eter values. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 34 In this menu item you activate/deactivate the slave sensor for elec- Setup - Application tronic differential pressure and select the application. The VEGABAR 82 in conjunction with a slave sensor can be used for flow, differential pressure, density and interface measurement. The default setting is differential pressure measurement. Switchover is carried out in the adjustment menu.
  • Page 35 The position correction can be repeated any number of times. Setup - Adjustment VEGABAR 82 always measures pressure independently of the pro- cess variable selected in the menu item "Application". To output the VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 36 Proceed as follows: Level 1. Select the menu item "Setup" with [->] and confirm with [OK]. Now select with [->] the menu item "Adjustment", then "Min. adjustment" and confirm with [OK]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 37 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. 3. Set the requested mbar value with [+] and store with [OK]. 4. Change with [ESC] and [->] to the span adjustment VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 38 For an adjustment with pressure, simply enter the actual measured value indicated at the bottom of the display. Setup - span adjustment, Proceed as follows: differential pressure 1. Select with [->] the menu item Span adjustment and confirm with [OK]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 39 Now select with [->] the menu item "Max. adjustment" and con- firm with [OK]. 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 40 Now select with [->] the menu item "Max. adjustment" and con- firm with [OK]. 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 41 1. Select with [->] the menu item Max. adjustment and confirm with sated [OK]. 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 42 As input signals, the output values of Transducer Block (TB) can be selected. Display - Displayed value In this menu item, you define which measured value is displayed. 1 and 2 - 4 … 20 mA VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 43 In this menu item you can simulate measured values. This allows the Diagnosis - Simulation 4 … 20 mA/HART signal path to be tested, e.g. through downstream indicating instru- ments or the input card of the control system. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 44 In menu item "Current output, variable" you specify which measured rent output 1 and 2 (size) variable is outputted via the current output. The following selection is possible depending on the selected ap- plication: VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 45 DP flow element Furthermore the adjustment for the volume or mass flow rate at 0 % or 100 % is carried out. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 46: Diagnosis, Asset Management And Service

    Overview The hygienic connection with compression nut can be disassembled and the diaphragm cleaned. The following graphic shows the structure: Fig. 30: VEGABAR 82, structure of the hygienic connection with compression Hexagon Compression nut Process fitting Process assembly...

  • Page 47: Rectify Faults

    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 48 Proceed as follows when carrying out the exchange: 1. Losen the fixing screw with the hexagon key wrench 2. Carefully detach the cable assembly from the process assembly Fig. 31: VEGABAR 82 in IP 68 version, 25 bar and lateral cable outlet, external housing Process assembly...

  • Page 49: How To Proceed If A Repair Is Necessary

    Attach the completed form and, if need be, also a safety data sheet outside on the packaging • Please contact the agency serving you to get the address for the return shipment. You can find the agency on our home page www.vega.com. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 50: Dismount

    Pass the instrument directly on to a spe- cialised recycling company and do not use the municipal collecting points. These may be used only for privately used products according to the WEEE directive. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 51: Supplement

    Ʋ Socket, wall mounting plate plastic PBT (Polyester), 316L Ʋ Seal between base and wall mounting EPDM (fixed connected) plate Seal between housing and housing lid Silicone SI 850 R, NBR silicone-free, EPDM (coating- compatible) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 52 +90 bar/+9000 kPa -1 bar/-100 kPa 0 … +25 bar/0 … +2500 kPa +125 bar/+12500 kPa -1 bar/-100 kPa 0 … +60 bar/0 … +6000 kPa +200 bar/+20000 kPa -1 bar/-100 kPa VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 53 0 … +300 psig +1500 psig -14.51 psig 0 … +900 psig +2900 psig -14.51 psig 0 … +1450 psig +2900 psig -14.51 psig (only for measuring cell ø 28 mm) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 54 Ʋ Zero -95 … +95 % Ʋ Span -120 … +120 % Density (min./max. adjustment) Ʋ Percentage value -10 … 100 % Ʋ Density value according to the measuring ranges in kg/dm VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 55 Influence of the installation position < 0.2 mbar/20 Pa (0.003 psig) Deviation in the current output due to < ±150 µA strong, high-frequency electromagnetic fields acc. to EN 61326 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 56 0.05 %, 0.1 % with meas- uring range 25 mbar Factor FMZ Additional factor through Turn Down The additional factor FTD through Turn down is calculated according to the following formula: VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 57 -15 … +150 °C (5 … +302 °F) Chemraz 535 -30 … +130 °C (-22 … +266 °F) Temperature derating With process fitting PVDF, process temperature max. 100 °C (212 °F). VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 58 130 °C -40 °C (212 °F) (266 °F) (-104 °F) -40 °C (-104 °F) Fig. 34: Temperature derating VEGABAR 82, version up to +130 °C (+266 °F) Process temperature Ambient temperature 80 °C (176 °F) 50 °C (122 °F) 0 °C (32 °F)
  • Page 59 Ʋ Colour PUR Blue Connection cable, electrical data Ʋ Wire cross-section 0.5 mm² (AWG 20) Ʋ Wire resistance R 0.037 Ω/m (0.012 Ω/ft) ´ IP 66/IP 68 (0.2 bar), only with absolute pressure. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 60 IP 68 (25 bar) housing Altitude above sea level Ʋ by default up to 2000 m (6562 ft) Protection rating IP 66/IP 68 (0.2 bar) only in conjunction with absolute pressure. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 61: Calculation Of The Total Deviation

    Level measurement in a small vessel, 500 mm height corresponds to 0.049 bar (4.9 KPa), superim- posed pressure 0.35 bar (35 KPa), medium temperature 40 °C VEGABAR 82 Master and slave sensor each with nominal measuring range 0.4 bar (40 KPa), devia- tion < 0.1 %, process fitting G1½ (measuring cell ø 28 mm) When used with fulfilled housing protection.
  • Page 62 TD > 5 : 1 0.05 % < 0.05 % < 0.01 % x TD 0.1 % < 0.1 % < 0.02 % x TD 0.2 % < 0.2 % < 0.04 % x TD VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 63 Deviation in mm: 1.6 % of 500 mm = 7.9 mm The example shows that the measurement error in practice can be considerably higher than the basic accuracy. Reasons are temperature influence and Turn down. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 64: Dimensions

    The thermal change of the current output is in this example is negligible. Dimensions The following dimensional drawings represent only an extract of the possible versions. Detailed dimensional drawings can be downloaded at www.vega.com under "Downloads" and "Drawings". Housing ~ 116 mm...
  • Page 65 (1.64") ~ 66 mm (2.60") 110 mm x 90 mm (4.33" x 3.54") Fig. 39: VEGABAR 82, IP 68 version with external housing Lateral cable outlet Axial cable outlet Plastic single chamber Stainless steel single chamber Seal 2 mm (0.079 in) - only with 3A approval...
  • Page 66 DI G½, inside G¼, ISO 228-1 DQ G½, inside G¼ A, ISO 228-1, PVDF DD G½, EN 837; volume-reduced LF ½ NPT, inside ¼ NPT, ASME B1.20.1 C2 M20 x 1.5 EN 837; manometer connection VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 67 DV G1½, DIN 3852-A-B, PVDF C9 1½ NPT, ASME B1.20.1 For the version with temperature range up to 150 °C/302 °F, the measure of length increases by 28 mm (1.1 in). VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 68 EZ Collar socket DN 40 PN 40, DIN 11851 NB Collar socket DN 50 PN 25, DIN 11851 E3 Collar socket DN 50 acc. to DIN, Form A, DIN 11864-1; for tube 53 x 1.5 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 69 0.13 " 2.01 " 7.5 " 0.94 " 6 " 8xø 0.75 " 5” Fig. 43: VEGABAR 82, flange connection Flange connection according to DIN 2501 Flange connection according to ASME B16.5 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 70 F9 G1, ISO 228-1 suitable for PASVE EW PMC 1" front-flush PN 6 F7 Flange DN 50 PN 40 Form C, DIN 2501; with extension F2 Flange DN 80 PN 40 Form C, DIN 2501; with extension VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 71 50 mm 50 mm (1.97") (1.97") Fig. 45: VEGABAR 82, flange connection for the paper industry: CL = absolutely front-flush for headbox, BR = absolutely front-flush for headbox (flange 2-times flattened) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 72 41 mm (1.63") 65 mm (2.56") Fig. 46: VEGABAR 82, connection acc. to IEC 61518 SJ Oval flange adapter SK Top flange For the version with temperature range up to 150 °C/302 °F, the measure of length increases by 28 mm (1.1 in).

  • Page 73: 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 74 Parameterization example 35 Peak value indicator 43 Position correction 35 Pressure compensation 19 – Ex d 18 – Second Line of Defense 18 – Standard 17 Repair 49 Seal concept 11 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 75 Notes VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 76 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2017 VEGA Grieshaber KG Phone +49 7836 50-0 Am Hohenstein 113...

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