Vega VEGAPULS 68 Operating Instructions Manual
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Vega VEGAPULS 68 Operating Instructions Manual

Radar sensor for continuous level measurement of bulk solids
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Operating Instructions
Radar sensor for continuous level
measurement of bulk solids
VEGAPULS 68
HART and accumulator pack
Document ID: 40935

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Summary of Contents for Vega VEGAPULS 68

  • Page 1 Operating Instructions Radar sensor for continuous level measurement of bulk solids VEGAPULS 68 HART and accumulator pack Document ID: 40935...

  • Page 2: Table Of Contents

    Saving the parameterisation data ................... 55 Set up with other systems ....................56 DD adjustment programs ....................56 Field Communicator 375, 475 ..................56 Diagnosis, asset management and service ................ 57 Maintenance ........................57 VEGAPULS 68 • HART and accumulator pack...
  • Page 3 11.3 Industrial property rights ....................81 11.4 Trademark ........................81 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: 2018-11-23 VEGAPULS 68 • HART and accumulator pack...

  • 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 The VEGAPULS 68 is a sensor for continuous level measurement. Due to the integrated accumulator the instrument is particularly suitable as a portable measuring system or test sensor for special applications.

  • Page 6: Eu Conformity

    This approval is only valid for USA. Hence the following text is only available in the English language. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause interference, and VEGAPULS 68 • HART and accumulator pack...

  • Page 7: Radio License For Canada

    Operation of the instrument with horn antennas ø 40 mm, ø 48 mm and parabolic antenna (ø 245 mm) is only permitted within closed vessels. The installation of the LPR/TLPR device shall be done by trained installers, in strict compliance with the manufacture's instructions. VEGAPULS 68 • HART and accumulator pack...
  • Page 8 • Il est uniquement autorisé d'exploiter l'appareil avec les antennes cônes ø 40 mm, ø 48 mm et parabolique (ø 245 mm) dans des boîtiers fermés. L’installation d’un dispositif LPR ou TLPR doit être effectuée par des installateurs qualifiés, en pleine conformité avec les instructions du fabricant. VEGAPULS 68 • HART and accumulator pack...

  • Page 9: Installation And Operation In The Usa And Canada

    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" VEGAPULS 68 • HART and accumulator pack...

  • Page 10: 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" • Scan the Data Matrix code on the type label of the instrument or •...

  • Page 11: Principle Of Operation

    Principle of operation Application area The VEGAPULS 68 is a radar sensor for continuous measurement of bulk solids also under arduous process conditions and large measur- ing ranges. It the ideal solution for level measurement in high silos, large bunkers, stone crushers and melting furnaces. With different antenna versions and materials, this sensor is the optimum solution for virtually all applications and processes.

  • Page 12: Packaging, Transport And Storage

    PC/notebook with Bluetooth USB adapter (Windows operating system) You can find further information in the operating instructions "Display and adjustment module PLICSCOM" (Document-ID 36433). VEGACONNECT The interface adapter VEGACONNECT enables the connection of communication-capable instruments to the USB interface of a PC. For VEGAPULS 68 • HART and accumulator pack...
  • Page 13 (Document-ID 41033). Antenna impedance cone The antenna impedance cone is a replacement part used for optimum transmission of microwaves and for sealing against the process. You find further information in the operating instructions "Antenna impedance cone VEGAPULS 62 and 68" (Document-ID 31381). VEGAPULS 68 • HART and accumulator pack...

  • Page 14: Mounting

    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. Suitability for the ambient The instrument is suitable for standard and extended ambient condi- conditions tions acc. to IEC/EN 61010-1. VEGAPULS 68 • HART and accumulator pack...

  • Page 15: Mounting Preparations

    3. Insert the antenna from below into the vessel socket and secure it against falling off 4. Retighten the antenna with hexagon screws to the antenna socket; max. torque see chapter "Technical data" Note: The radar sensor with rinsing air connection or with antenna exten- sion has a notch on the antenna socket for polarization. This notch must be aligned with the marking on the process fitting. VEGAPULS 68 • HART and accumulator pack...
  • Page 16 A damaged O-ring seal must be replaced: FKM (SHS FPM 70C3 GLT), FFKM (Kalrez 6375) 8. Remount the parabolic antenna (4) 9. Fasten compression nut (2) with a wrench (width across flats 41), max. torque see chapter "Technical data" 10. Fasten counter nut (3) with a wrench (width across flats 36), max. torque see chapter "Technical data" VEGAPULS 68 • HART and accumulator pack...

  • Page 17: Mounting Preparations - Parabolic Antenna

    A damaged O-ring seal must be replaced: FKM (SHS FPM 70C3 GLT), FFKM (Kalrez 6375) 8. Remount the parabolic antenna (4) 9. Fasten compression nut (2) with a wrench (width across flats 41), max. torque see chapter "Technical data" 10. Fasten counter nut (3) with a wrench (width across flats 36), max. torque see chapter "Technical data" VEGAPULS 68 • HART and accumulator pack...

  • Page 18: Mounting Instructions

    The position of the polarisation is marked on the process fitting of the instrument. Fig. 5: Position of the polarisation Marking with screwed version 2 Marking with flange version Mount the sensor at least 200 mm (7.874 in) away from the vessel Installation position wall. VEGAPULS 68 • HART and accumulator pack...
  • Page 19 In such cases, we recommend repeating the false signal suppression at a later date with existing buildup. Inflowing medium Mounting should not be too close to the inflowing material as the microwave signal will be interferred. The optimum mounting position is on the opposite of the filling. To avoid strong pollution, the distance to the filter or dust extraction must be as big as possible. Fig. 7: Mounting of the radar sensor with inflowing medium With bulk solids silos with lateral pneumatic filling, mounting should not be in the filling stream as the microwave signal will be interferred. The optimum mounting position is next to the filling. To avoid strong pollution, the distance to the filter or dust extraction must be as big as possible. VEGAPULS 68 • HART and accumulator pack...
  • Page 20 4 Mounting Fig. 8: Mounting of the radar sensor with inflowing medium Mounting socket The socket piece should be dimensioned in such a way that the antenna end protrudes slightly out of the socket. VEGAPULS 68 • HART and accumulator pack...
  • Page 21 When using a swivelling holder, keep in mind that the distance between antenna and socket gets smaller as the inclination of the sensor increases. Additional false reflections may be generated which can influence the measuring result at close range. Max. torque see chapter "Technical data" Fig. 11: Distance between antenna and socket with horn antenna VEGAPULS 68 • HART and accumulator pack...
  • Page 22 To measure as much of the vessel volume as possible, the sensor Sensor orientation should be aligned so that the measuring beam reaches the lowest level in the vessel. In a cylindrical silo with conical outlet mounting is VEGAPULS 68 • HART and accumulator pack...
  • Page 23 If mounting in the centre of the silo is not possible, the sensor can be directed to the vessel center by using the optional swivelling holder. The following description shows a simple way to determine the required angle of inclination. VEGAPULS 68 • HART and accumulator pack...
  • Page 24 4 Mounting Fig. 15: Proposal for installation after orientation VEGAPULS 68 The angle of inclination depends on the vessel dimensions. It can be easily checked with a suitable level or water leve on the sensor. The following table specifies the distance "a" between installation position and vessel centre dependent on the measuring distance for inclination angles of 2°...
  • Page 25 Proceed as follows to align the sensor with the swivelling holder: 1. Loosen terminal screw of the swivelling holder with a fork spanner SW 13 Fig. 16: VEGAPULS 68 with swivelling holder Terminal screw Information: The hexagon screws must not be loosened.
  • Page 26 Large material heaps are detected with several sensors, which can be Material heaps mounted on e.g. traverse cranes. For this type of application, it is best to orient the sensor toward the solid surface. A mutual infuence of the sensors is not possible. VEGAPULS 68 • HART and accumulator pack...
  • Page 27 Fig. 19: Radar sensors on traverse crane Information: Keep in mind that for these applications, the sensors are designed for relatively slow level changes. When using VEGAPULS 68 on a mov- able bracket, the max. measuring rate must be observed (see chapter "Technical data").
  • Page 28 The optimal mounting position is on the outer wall of the silo with the sensor directed towards the emptying aperture in the silo center. VEGAPULS 68 • HART and accumulator pack...
  • Page 29 4 Mounting Fig. 22: Mounting of VEGAPULS 68 in multiple chamber silos Fig. 23: Orientation of VEGAPULS 68 for emptying in the silo center Dust deposits To avoid strong buildup and dust in the antenna system, the sensor should not be mounted directly at the dust extraction of the vessel.
  • Page 30 Fig. 24: Purging air connection with horn antenna Fig. 25: Purging air connection with parabolic antenna The practice has shown that a pressure of approx. 0.2 … 1 bar provides a sufficient air flow (see diagram in chapter "Technical data", "Purging air connection". VEGAPULS 68 • HART and accumulator pack...

  • Page 31: Connecting To Power Supply

    Supply room (accumulator) Electronics compartment Electronics compartment 4...20mA 6 7 8 Fig. 27: Electronics compartment - double chamber housing Internal connection to the connection compartment Contact pins for the display and adjustment module VEGAPULS 68 • HART and accumulator pack...

  • Page 32: Switch-On Phase

    After pressing the key or changing the mode the yellow LED shows the accumulator status for approximately 10 s as follows: • LED lights = accumulator is full • LED flashes = accumulator should be charged • LED off = accumulator is empty Switch-on phase The instrument is switched on and off by means of a button outside on the housing. VEGAPULS 68 • HART and accumulator pack...
  • Page 33 Indication of a status message, e.g. "F 105 Determine measured value" on the display 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. VEGAPULS 68 • HART and accumulator pack...

  • 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. 30: Installing the display and adjustment module in the electronics compart- ment of the single chamber housing VEGAPULS 68 • HART and accumulator pack...

  • 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 VEGAPULS 68 • HART and accumulator pack...

  • Page 36: Measured Value Indication - Selection Of National Language

    Approx. 60 minutes after the last pressing of a key, an automatic reset to measured value indication is triggered. Any values not confirmed with [OK] will not be saved. Measured value indication - Selection of national language Measured value indica- With the [->] key you move between three different indication modes. tion VEGAPULS 68 • HART and accumulator pack...

  • Page 37: Parameter Adjustment

    Information: In this operating instructions manual, the instrument-specific pa- rameters in the menu sections "Setup", "Diagnosis" and "Additional settings" are described. The general parameters in these menu sec- tions are described in the operating instructions manual "Display and adjustment module". VEGAPULS 68 • HART and accumulator pack...
  • Page 38 [OK] and jump to the next menu item with the [ESC] and the [->] key. Setup - Application In addition to the medium, also the application, i.e. the measuring site, can influence the measurement. VEGAPULS 68 • HART and accumulator pack...
  • Page 39 – Installations present • Process/measurement conditions: The instrument recognizes if a manual false signal suppression was carried out with empty vessel and high system noise. An automatic false signal sup- pression is then carried out if a product echo was detected at the beginning of the filling process. VEGAPULS 68 • HART and accumulator pack...
  • Page 40 – Instrument demonstration – Object recognition/monitoring (additional settings required) • Properties, sensor: – Sensor accepts all measured value changes within the measur- ing range immediately – High sensitivity to interference, because virtually no averaging VEGAPULS 68 • HART and accumulator pack...
  • Page 41 To indicate the actual level, the measured distance must be assigned to a certain height percentage. To perform the adjustment, enter the distance with full and empty ves- sel, see the following example: VEGAPULS 68 • HART and accumulator pack...
  • Page 42 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. 3. Set the requested percentage value with [+] and save with [OK]. The cursor jumps now to the distance value. VEGAPULS 68 • HART and accumulator pack...
  • Page 43 Depending on the sensor type, the factory setting is 0 s or 1 s. Setup - Current output, In the menu item "Current output mode" you determine the output mode characteristics and reaction of the current output in case of fault. VEGAPULS 68 • HART and accumulator pack...
  • Page 44 When the PIN is active, adjustment via PACTware/DTM as well as other systems is also blocked. In delivery status, the PIN is "0000". Display - Language This menu item enables the setting of the requested national lan- guage. VEGAPULS 68 • HART and accumulator pack...
  • Page 45 The respective min. and max. measured values of the electronics tem- temperature perature are saved in the sensor. These values as well as the current temperature value are displayed in the menu item "Peak values". VEGAPULS 68 • HART and accumulator pack...
  • Page 46 Diagnosis - Curve indica- The "Echo curve" shows the signal strength of the echoes over the tion measuring range in dB. The signal strength enables an evaluation of the quality of the measurement. VEGAPULS 68 • HART and accumulator pack...
  • Page 47 Instrument units the temperature unit. Additional settings - False The following circumstances cause interfering reflections and can signal suppression influence the measurement: • High mounting sockets • Vessel internals such as struts • Agitators • Buildup or welded joints on vessel walls VEGAPULS 68 • HART and accumulator pack...
  • Page 48 "Extend", the distance to the product surface of the created false signal suppression is displayed. This value can now be changed and the false signal suppression can be extended to this range. Additional settings - Lin- A linearization is necessary for all vessels in which the vessel volume earization does not increase linearly with the level - e.g. a horizontal cylindri- VEGAPULS 68 • HART and accumulator pack...
  • Page 49 Additional settings - Date/ In this menu item, the internal clock of the sensor is set. Time Additional settings - After a reset, certain parameter adjustments made by the user are Reset reset. VEGAPULS 68 • HART and accumulator pack...
  • Page 50 Max. adjustment 0,000 m(d) Damping 0.0 s Current output mode 4 … 20 mA, < 3.6 mA Current output, min./max. Min. current 3.8 mA, max. current 20.5 mA Lock adjustment Released VEGAPULS 68 • HART and accumulator pack...
  • Page 51 In the menu "Additional settings" the items "Distance unit, tem- perature unit and linearization" • The values of the user-programmable linearisation curve The 4 … 20 mA signal of the sensor is switched off. The sensor uses a constant current of 4 mA. The measuring signal is transmitted exclusively as a digital HART signal. VEGAPULS 68 • HART and accumulator pack...
  • Page 52 PC. Instrument features In this menu item, the features of the sensor such as approval, pro- cess fitting, seal, measuring range, electronics, housing and others are displayed. VEGAPULS 68 • HART and accumulator pack...

  • Page 53: 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". VEGAPULS 68 • HART and accumulator pack...

  • Page 54: Setup With Pactware

    Further setup steps are described in the operating instructions manu- al "DTM Collection/PACTware" attached to each DTM Collection and which can also be downloaded from the Internet. Detailed descrip- tions are available in the online help of PACTware and the DTMs. VEGAPULS 68 • HART and accumulator pack...

  • Page 55: Saving The Parameterisation Data

    The standard version is available as a download under www.vega.com/downloads and "Software". The full version is avail- able on CD from the agency serving you. Saving the parameterisation data We recommend documenting or saving the parameterisation data via PACTware.

  • 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. VEGAPULS 68 • HART and accumulator pack...

  • Page 57: Diagnosis, Asset Management And Service

    (non-deletable). Each entry contains date/time, event type, event description and value. Event types are for example: • Modification of a parameter • Switch-on and switch-off times • Status messages (according to NE 107) • Error messages (according to NE 107) VEGAPULS 68 • HART and accumulator pack...

  • Page 58: Asset Management Function

    Failure: Due to a malfunction in the instrument, a fault message is output. 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). VEGAPULS 68 • HART and accumulator pack...
  • Page 59 • • F125 Temperature of the electronics Check ambient temperature Bit 7 of Byte 0 … 5 • in the non-specified range Insulate electronics Impermissible elec- • Use instrument with higher tronics temperature temperature range VEGAPULS 68 • HART and accumulator pack...
  • Page 60 "delivery status" • • M501 Hardware error EEPROM Exchanging the electronics Bit 1 of • Send instrument for repair Byte 14 … 24 Error in the non- active linearisation table VEGAPULS 68 • HART and accumulator pack...

  • Page 61: Rectify Faults

    • Constant level • Filling • Emptying The images in column "Error pattern" show the real level as a broken line and the level displayed by the sensor as a continuous line. VEGAPULS 68 • HART and accumulator pack...
  • Page 62 (jumps to multiple echo) polarization direction • time Chose a more suitable installation position • • Transverse reflection from an extraction Direct sensor to the opposite funnel wall, funnel, amplitude of the transverse reflec- avoid crossing with the filling stream tion larger than the level echo VEGAPULS 68 • HART and accumulator pack...
  • Page 63 "Setup" must be carried out again or must be checked for plausibility and completeness. 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. VEGAPULS 68 • HART and accumulator pack...

  • Page 64: Exchanging The Electronics Module

    • Display and adjustment module PLICSCOM with Bluetooth func- tion • PC with PACTware/DTM and Bluetooth USB adapter • Current instrument software as file You can find the current instrument software as well as detailed information on the procedure in the download area of our homepage: www.vega.com. VEGAPULS 68 • HART and accumulator pack...

  • Page 65: 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 66: Dismount

    • Loosen the fixing screws • Pull out the complete insert by means of the plastic strap If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGAPULS 68 • HART and accumulator pack...

  • Page 67: Supplement

    2 … 17.2 kg (4.409 … 37.92 lbs) process fitting and antenna) Ʋ Antenna extension 1.6 kg/m (1.157 lbs/ft) Length antenna extension max. 5.85 m (19.19 ft) Glass with Aluminium and stainless steel precision casting housing VEGAPULS 68 • HART and accumulator pack...
  • Page 68 Ʋ Parabolic antenna up to 75 m (246.1 ft) Deviation (according to DIN EN 60770-1) Process reference conditions according to DIN EN 61298-1 Ʋ Temperature +18 … +30 °C (+64 … +86 °F) VEGAPULS 68 • HART and accumulator pack...
  • Page 69 Already included in the meas. deviation 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). Outside the specified beam angle, the energy level of the radar signal is 50% (-3 dB) less. EIRP: Equivalent Isotropic Radiated Power. VEGAPULS 68 • HART and accumulator pack...
  • Page 70 Ʋ Horn antenna 4 g at 5 … 200 Hz according to EN 60068-2-6 (vibration with resonance) Ʋ Parabolic antenna 1 g at 5 … 200 Hz according to EN 60068-2-6 (vibration with resonance) Shock resistance Ʋ Horn antenna 100 g, 6 ms according to EN 60068-2-27 (mechanical shock) Not with steam. Not with steam. VEGAPULS 68 • HART and accumulator pack...
  • Page 71 Ʋ Material 316Ti Ʋ Seal FKM (SHS FPM 70C3 GLT), FFKM (Kalrez 6375) Ʋ for tube diameter 6 mm Ʋ Opening pressure 0.5 bar (7.25 psig) Ʋ Nominal pressure stage PN 250 Display and adjustment module Display element Display with backlight VEGAPULS 68 • HART and accumulator pack...
  • Page 72 Ʋ Analogue Via the current output, the additional current output Ʋ Digital Via the digital output signal (depending on the electron- ics version) Potential connections and electrical separating measures in the instrument Electronics Not non-floating VEGAPULS 68 • HART and accumulator pack...

  • Page 73: Dimensions

    Protection rating (IEC 61010-1) 11.2 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". Galvanic separation between electronics and metal housing parts When used with fulfilled housing protection VEGAPULS 68 • HART and accumulator pack...
  • Page 74 ø75 4" ø95 inch 3.94" ø1.58" 1½" 4.72" ø1.89" 2" 8.50" ø2.95" 3" 16.93" ø3.74" 4" Fig. 50: VEGAPULS 68, horn antenna in threaded version Standard With temperature adapter up to 250 °C VEGAPULS 68 • HART and accumulator pack...
  • Page 75 11 Supplement VEGAPULS 68, horn antenna in flange version inch 3.94" ø1.58" 1½" ø40 1½" 4.72" ø1.89" 2" ø48 2" 8.50" ø2.95" 3" ø75 3" 16.93" ø3.74" 4" ø95 4" Fig. 51: VEGAPULS 68, horn antenna in flange version Standard With temperature adapter up to 250 °C VEGAPULS 68 • HART and accumulator pack...
  • Page 76 3.94" ø1.58" 1½" ø40 1½" 4.72" ø1.89" 2" ø48 2" 8.50" ø2.95" 3" ø75 3" 16.93" ø3.74" 4" ø95 4" Fig. 52: VEGAPULS 68, horn antenna in flange version with purging air connection Standard With temperature adapter up to 250 °C Blind plug Reflux valve VEGAPULS 68 • HART and accumulator pack...
  • Page 77 11 Supplement VEGAPULS 68, horn antenna in flange version 450 °C 2" ø 48 3" ø 75 4" ø 95 inch 4.72" ø 1.89" 2" 3" 8.50" ø 2.95" 4" 11.30" ø 3.74" Fig. 53: VEGAPULS 68, horn antenna in flange version with temperature adapter up to 450 °C VEGAPULS 68 • HART and accumulator pack...
  • Page 78 1½" 3.94" ø 1.58" 2" 4.72" ø 1.89" 3" 8.50" ø 2.95" 4" 16.93" ø 3.74" Fig. 54: VEGAPULS 68, horn antenna and swivelling holder Standard With temperature adapter up to 250 °C VEGAPULS 68 • HART and accumulator pack...
  • Page 79 11 Supplement VEGAPULS 68, horn antenna and swivelling holder, threaded fitting SW 70 mm (2.76") G2 / 2NPT Fig. 55: VEGAPULS 68, horn antenna and swivelling holder, threaded fitting Standard With temperature adapter up to 250 °C VEGAPULS 68 • HART and accumulator pack...
  • Page 80 11 Supplement VEGAPULS 68, parabolic antenna and swivelling holder Fig. 56: VEGAPULS 68, parabolic antenna and swivelling holder Standard With temperature adapter up to 200 °C VEGAPULS 68 • HART and accumulator pack...

  • Page 81: 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 82 HART mode 51 Instrument units 47 Instrument version 52 Language 44 Linearisation curve 48 Lock adjustment 44 Main menu 37 Measured value memory 57 Measurement loop name 38 Measurement reliability 46 Mounting socket 20 VEGAPULS 68 • HART and accumulator pack...
  • Page 83 Notes VEGAPULS 68 • HART and accumulator pack...
  • Page 84 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2018 VEGA Grieshaber KG Phone +49 7836 50-0 Am Hohenstein 113...

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