KROHNE MagCheck Manual
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KROHNE MagCheck Manual

KROHNE MagCheck Manual

Electromagnetic flowmeter, emf
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Summary of Contents for KROHNE MagCheck

  • Page 2 General advice on safety Use of MagCheck on converters, which are not listed as may cause damage to these converters, to MagCheck and, in case of connection to hazardous area versions of these converters damage to protective elements. As a result safety risks in later operation of these converters cannot be excluded.

  • Page 3: Table Of Contents

    Table of contents General advice on safety Product liability and warranty Items included with supply MagCheck introduction Introduction MagCheck as automatic verificator for KROHNE IMoCom converters MagCheck as manual signal calibrator Connecting and operating MagCheck Preparation Connecting cables Connection diagrams...

  • Page 4: Magcheck Introduction

    During the fully automatic test run the display will indicate all measured data. MagCheck reads and stores all settings of the IMoCom converter and all measured data of up to 70 meters.

  • Page 5: Magcheck As Manual Signal Calibrator

    MagCheck generates precise adjustable flow signals. The flow signal can be set in steps of 0.1% of full scale. These very precise flow signals will be fed into the signal inputs of the converter. The output signals (mA, frequency) are indicated on the MagCheck display.

  • Page 6: Connecting And Operating Magcheck

    Connecting cables MagCheck is supplied with connection cables for IFC 010, IFC 020, IFC 090, IFC 110 F and a RS 232 cable (25 pole to 9 pole connector) for connecting MagCheck to PC (download of verification data) and a 100..230 Volt AC power supply, that is only used during download of...

  • Page 7: Connection Diagrams

    During verification and test of converters as listed above, MagCheck does not need any external power supply or batteries. MagCheck takes all its power from the field current of these signal converters. The external power supply supplied with MagCheck is only needed during download of verification data into a PC.
  • Page 8 Connection MagCheck IFC 090 Connection MagCheck IFC 110 F MagCheck...

  • Page 9: User Interfaces

    2.5.2 With Non-IMoCom Converters or IMoCom-interface not connected If there is no communication MagCheck will ask you to press "F1". and will stay in Menu 1.0 until settings are entered (see below). All meter parameters data in menu 1.2 must be entered manually.

  • Page 10: How To Operate The Menu

    I M o C o m - B u s I M o C o m - B u s f i e l d c u r r e n t + - Decrease number f i e l d c u r r e n t MagCheck...
  • Page 11 ( D ) 2.6.3 Initial settings of MagCheck The only necessary initial setting is selection of the user language. Connect MagCheck to an IFC XX0 or connect to a power outlet using its power adapter. In the latter case •...

  • Page 12: Description Of Magcheck Menu Functions Menu Structure

    Description of MagCheck menu functions Menu structure The menu of MagCheck has the following functional parts. Menu Text Description Operation Operation menu, main menu Test MID Automatic verification menu for electromagnetic flowmeters with IMoCom- converters ..1.2 – 1.8 Menu for manual calibration test of converters...

  • Page 13: Automatic Verification With Krohne Imocom Converters

    ↵ analysis. Attention: No plausibility check! Check carefully! tag number All signs on the MagCheck keyboard may be used for entering the tag number. Method is the same as typing an SMS on a cell phone. ↵ Entered Tag Number will be used as identifier at download into PC.

  • Page 14: Magcheck As Manual Flow Signal Calibrator

    For test of frequency / pulse output setting of this output will be temporarily programmed by MagCheck to 1000 Hz at full scale flow. At end of verification frequency / pulse output will be reprogrammed automatically by MagCheck to original data.
  • Page 15 3.3.2 Menu for manual calibration of converters without IMoCom connection Note down all set and measured data in a copy of “MagCheck_Converter_Cal_Prot.XLS” (see Appendix 1). Main menus must be selected manually. Connect MagCheck and press F1. MagCheck...
  • Page 16 Menu Explanation Display Details, recommended actions MagCheck starts 1.2 Parameter Menu for entering meter data. → Parameter with KROHNE Diameter DN 2.5 – 3000 mm / 0.1 – 120 inch Select standard using ↑↓. ↵ converter default Select physical unit using ↑↓.

  • Page 17: Magcheck Menu Functions For Manual Calibration Test

    For test under conditions as installed, enter the actual setting of full scale Q100% as shown on type plate of the converter or in the documentation of this site. If different full scale values are entered into the converter and into the MagCheck mark the maximum and minimum flow velocity limits for full scale settings.
  • Page 18 The simulated flow value may be set between –999.9% and +999.9% of the full scale as set or read under "Function 1.2 Full Scale Value". For normal tests, setting shall be within ± 100.0%. If the maximum signal level of MagCheck is exceeded, the warning "error message: simulation parameters, check" is shown on the MagCheck display.
  • Page 19 Only possible with IMoCom-connection between MagCheck and IFC. Should a restart be performed without the MagCheck connected to the mains supply, the MagCheck will also be restarted and the main menu will be shown again 3.4.9 Function 2.1 Device Info...
  • Page 20 “Data transfer” is shown on the MagCheck display. Press → key. The display will show, that MagCheck is now ready for data transfer. Data Transfer to the PC will be started by clicking "Read verification data from MagCheck" on the PC screen.

  • Page 21: Using Magcheck With A Pc

    Using MagCheck with a PC System specifications To be able to install the MagCheck system on to your PC, the following specifications apply: ® • MS Windows ® • MS Windows 95, 98, 2000, NT, XP • > 32 MB memory, >32 MB free space on hard disk, •...

  • Page 22: Connecting Magcheck To Pc

    • Click on MagCheck PC main menu, button: "Read flowmeter verification files from MagCheck". • MagCheck PC program will ask : "Number of new flowmeter verification files: X (e.g. 1-70). Do you want to download these flowmeter files?" • Click "OK" and the following screen appears: •...

  • Page 23: Exporting And Importing Verification Files From / To Floppy Or Hard Disk

    MagCheck program. If one of these flowmeter data sets already exists in the MagCheck PC data bank, a warning will appear. If the existing flowmeter data set is to be replaced by the import file, click "yes".

  • Page 24: Trend Analysis

    MagCheck. Pull-down lists will allow selection of a sequence of meter verifications in the meter history. As an example the following view shows meter FT-1, parameter "ADC 100%" for verifications 3 to 6 out of a sequence 1 to 7.
  • Page 25 This menu allows for selection of the device, the parameter set (verification) to be printed, print preview on the monitor, printing as Adobe Acrobat-Reader *.PDF-file, which may be stored, sent by e-mail or printed on any printer connected to the PC. MagCheck...

  • Page 26: Interpretation Of Verification Results

    This formula may be used for approximate plausibility checks if the results of electrode resistance measurements are outside of the measuring range of MagCheck. The results of this formula may show a deviation to true value of electrode resistance as indicated by the tolerance data.

  • Page 27: Electrode Resistance With Empty Pipe

    With empty, clean and dry pipe the electrode resistance must be > 10 MOhms. The MagCheck limit of > 6 MOhms considers minor insulation degradation on signal cable and lining.

  • Page 28: Coil Insulation

    Field coil insulation OK Limitations of accuracy statement MagCheck is verifying all vital electrical data of the flowmeter and converter. The verification result does not include factors as: deposits in flowtube, installation not according to installation rules, gases in the liquid.

  • Page 29: Service And Recalibration

    Service and recalibration Recalibration MagCheck must be recalibrated annually. The calibration menu is indicated in Function 2.1 Device Info. For recalibration and/or repair please contact your local KROHNE representative. Software If there are any problems regarding the MagCheck software, please have the following information ready and contact your local KROHNE representative.
  • Page 30 MagCheck_Verification_Listing.XLS. Take some print-outs with you whenever you leave for verifications and document local situation and file names immediately on site. This will enable you to add verification files adequately to previous taken verification data and to create a clear history. MagCheck...
  • Page 31 Documentation of data of manual converter calibration test Data and readings in menu 1.2 to 1.7 during manual calibration test may be noted in a print-out of spreadsheet MagCheck_Manual _Test_Report.XLS. These data may be easily transferred into the Excel spreadsheet, which automatically calculates errors. MagCheck...
  • Page 32 FAX: +39(0)2-43 00 66 66 TEL.: +41(0)61-638 30 30 FAX: +49(0)203-301 389 China e-mail: krohne@krohne.it FAX: +41(0)61-638 30 40 e-mail: export@krohne.de KROHNE Measurement Instruments Co. Ltd. e-mail: info@krohne.ch Room 7E, Yi Dian Mansion Korea 746 Zhao Jia Bang Road Hankuk KROHNE United Kingdom...

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