Sonel MPI-525 User Manual
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Sonel MPI-525 User Manual

For electrical installation parameters
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  • Page 3 USER MANUAL METER FOR ELECTRICAL INSTALLATION PARAMETERS MPI-525 SONEL S.A. Wokulskiego 11 58-100 Świdnica Version 2.9 08.07.2020...
  • Page 4 The MPI-525 meter is a modern, easy in use and safe measuring device. Please acquaint yourself with the present manual in order to avoid measuring errors and prevent possible problems related to opera- tion of the meter. MPI-525 – USER MANUAL...

  • Page 5: Table Of Contents

    4 Memory of measurement result data ............42 4.1 Recording measurement result data in the memory ..........42 4.2 Viewing memory data ..................... 44 4.3 Deleting memory data .................... 46 5 Data transmission ..................48 5.1 Computer connection accessories ................. 48 MPI-525 – USER MANUAL...
  • Page 6 Additional uncertainties according to IEC 61557-6 (RCD) ..........62 11 Accessories ....................63 11.1 Standard accessories ..................... 63 11.2 Optional accessories ....................64 12 Positions of the meter’s cover ..............66 13 Manufacturer ....................66 14 Laboratory services ..................67 MPI-525 – USER MANUAL...

  • Page 7: Safety

    1 Safety MPI-525 meter is designed for performing check tests of protection against electric shock in mains systems. The meter is used for making the measurements the results of which determine safety of electrical installations. Therefore, in order to provide conditions for correct operation and the correctness of the obtained results, the following recommendations must be observed: ...

  • Page 8: Menu

    Select a proper item by means of push-buttons. Enter a selected option by pressing ENTER. 2.1 Wireless transmission See chapter 5.3. 2.2 Settings of measurements Select a proper item by means of push-buttons. Enter a selected option by pressing ENTER. MPI-525 – USER MANUAL...

  • Page 9: Network Voltage And Frequency

    = 60 s, DAR, PI – t = 30 s, t = 60 s. By means of select names of the additional results of insulation resistance measurement. Confirm a choice made by means of ENTER push-button. MPI-525 – USER MANUAL...

  • Page 10: Main Result Of Short Circuit Loop Impedance Measurement

    ENTER push-button. 2.2.4 Measurement settings The setting enables activation/deactivation of the field displaying measurement settings. Show or hide the field with measurement settings by means of push-buttons, press ENTER push- button. 2.2.5 Cell autoincrementing MPI-525 – USER MANUAL...

  • Page 11: Settings Of The Meter

    Select a suitable item by means of push-buttons; enter the edition of a selected option by means of ENTER push-button. 2.3.1 LCD contrast Select contrast value by means of push-buttons; confirm a choice made by means of ENTER push-but- ton. MPI-525 – USER MANUAL...

  • Page 12: Lcd Backlight Time

    ENTER push-button. 2.3.4 Date and time By means of push-buttons select the value to be changed (day, month, year, hour, minute). Set a required value by means of push-buttons. When required settings are made, press ENTER push-button. MPI-525 – USER MANUAL...

  • Page 13: Factory (Default) Settings

    Before updating the program, download the program that is use for programming the meter from the manufacturer’s website (www.sonel.pl), install this program on your computer and connect the meter to the computer. Select Software upgrade in the MENU and follow the instructions displayed by the program.

  • Page 14: Measurements

    1 second. When voltage if found on PE, the device displays PE! message (error in the installation; PE lead is connected to the phase lead) and generates a continuous audio signal. This possibility is available for all measuring functions that apply to residual current devices (RCD) and short circuit loop. MPI-525 – USER MANUAL...

  • Page 15: Measurement Of Short Circuit Loop Parameters

    3.3.1 Measurement of short circuit loop parameters in L-N and L-L circuit Set the rotary switch of function se- lection at Z position. L-N,L-L L-N,L-L Press F1 push-button if lead length L needs to be selected. Select lead length by means push-buttons and press ENTER push-but- ton. MPI-525 – USER MANUAL...
  • Page 16 ENTER. Connect test leads according to the drawing a) for measurement in L-N circuit or b) for measurement in L-L circuit The meter is ready for meas- urement. Make measurement by pressing START push-button MPI-525 – USER MANUAL...
  • Page 17 A correct result can not be displayed. Loop circuit mal- The meter should be serviced. function! No U Lack of U voltage before the principal measurement. U>500 V! and con- Before measurement, voltage at test terminals exceeds 500 tinuous audio signal MPI-525 – USER MANUAL...

  • Page 18: Measurement Of Short Circuit Loop Parameters In L-Pe Circuit

    ENTER push-button. Connect test leads according to one of the drawings. Checking effectiveness of protection against electric shock of the device hous- ing in case of: a) TN network b) TT network MPI-525 – USER MANUAL...
  • Page 19 - Double lead measurement is possible when a test lead other that the lead with a mains socket is selected. - Remaining issues connected with the measurements as well as the messages displayed are the same as those described for measurements in L-N circuit or L-L circuit. MPI-525 – USER MANUAL...

  • Page 20: Measurement Of Short Circuit Loop Impedance In L-Pe Circuit Protected With Residual Current Device (Rcd)

    - Remaining issues connected with the measurements as well as the messages displayed are the same as those described for measurements L-PE circuit. - The function works for residual current devices of nominal current ≥ 30 mA. MPI-525 – USER MANUAL...

  • Page 21: Prospective Short-Circuit Current

    U [V] U =220V U [V] U =230V 216 240 415 440 U [V] U =240V voltage ranges for which short-cir- U voltage ranges for which short- cuit current value is calculated circuit current value is calculated MPI-525 – USER MANUAL...

  • Page 22: Measurement Of Resistance-To-Earth

    The earth electrode being tested and the current electrode and the voltage electrode should be located in one line. The meter is ready for measurement. Value of interference voltage U can be read on the display. MPI-525 – USER MANUAL...
  • Page 23 If R measurement results differ from one another by more than 3%, the distance of the current electrode from the earth electrode being tested should be consider- ably increased and the measurements should be re- peated. MPI-525 – USER MANUAL...
  • Page 24 Interruption in measuring circuit or resistance of test probes is higher than 60 kΩ. Electrode resistance Resistance of electrodes within the range of 50...60 kΩ. >50 kΩ Aborted! Measurement has been interrupted with ESC key button. MPI-525 – USER MANUAL...

  • Page 25: Measurement Of Rcd Parameters

    ENTER. Move to selection of a second group of parameters by means of push-buttons. Press F1 push-button and move to selection of U Press F2 push-button MODE and move to selection of measurement mode. MPI-525 – USER MANUAL...
  • Page 26 Connect the device to the installation according to the drawing. The meter is ready for measurement. Value of network volt- age and frequency can be read on the display. Press START to begin measurement. Read out the result. MPI-525 – USER MANUAL...

  • Page 27: Measurement Of Rcd Trip Time

    Select an appropriate item by means of push- buttons and confirm by pressing ENTER. Move to selection of a second group of parameters by means of push-buttons. MPI-525 – USER MANUAL...
  • Page 28 ENTER. Connect the device to the installation according to the drawing. The meter is ready for measurement. Value of network volt- age and frequency can be read on the display. Press START to begin measurement. MPI-525 – USER MANUAL...

  • Page 29: Automatic Measurement Of Rcd Parameters

    Initial phase (polarization) tion factor L-PE positive 0,5I n negative 0,5I n positive n negative n positive n negative n positive n 10.* negative n 11.* positive 12.* negative * points in which an efficient RCD should disconnected MPI-525 – USER MANUAL...
  • Page 30 Press F3 push-button WIRE and move to selection of L lead length (at Z L-PE measurement). Select an appropriate item by means of push- buttons and confirm by pressing ENTER. MPI-525 – USER MANUAL...
  • Page 31 (a longer interruption may signify com- pletion of the measurements). Progress of measurement process is shown by progress bars: lower bar – total cycle; upper bar – meas- urement of Z RCD and I L-PE MPI-525 – USER MANUAL...
  • Page 32 - Store the result in the memory (see point 4.1) or press ESC push-button and display only network voltage and frequency. - Remaining remarks and information are the same as for I and Z measurement. L-PE MPI-525 – USER MANUAL...

  • Page 33: Measurement Of Insulation Resistance

    Select an appropriate item by means of push-buttons and confirm by pressing ENTER. Change the calculated absorption coeffi- cients, if needed (point 2.2.2). Make sure that t and t periods have the proper values. MPI-525 – USER MANUAL...
  • Page 34 (designated as R or R according to the time period that has expired) is displayed. Absorption coefficients are calculated as: Ab1 = DAR = R and Ab2 = PI = R Read out the result. MPI-525 – USER MANUAL...

  • Page 35: Measurements With Autoiso-2500 Adapter

    Remarks: During measurements of insulation resistance, dangerous voltage up to 2,5 kV present at the ends of test leads of MPI-525 meter. It is forbidden to disconnect test leads and to change the position of the function switch before completion of measurement. Failure to obey the above instruction will lead to high voltage electric shock and make it impossible to discharge the object tested.
  • Page 36 If any of the voltages exceeds allowable voltage, the sym- bol of this voltage with “!” mark is displayed (e.g. U !) and N-PE the measurement is aborted. MPI-525 – USER MANUAL...
  • Page 37 - During the measurement of energetic cables the lead of AutoISO 2500 marked must be connected to the ground. - Other remarks and messages the same as in point 3.6.1. MPI-525 – USER MANUAL...

  • Page 38: Low-Voltage Measurement Of Resistance

    Set the rotary switch of function selec- tion at R position. ±200 mA Press F1 push-button and move to selection of measurement mode. ±200 mA item by means of Select R CONT push-buttons and confirm by pressing ENTER. MPI-525 – USER MANUAL...
  • Page 39 Additional information displayed by the meter Interference voltage occurs on the object tested. The meas- NOISE! urement is possible however it will be burdened with addi- tional uncertainty that is specified in the technical data. MPI-525 – USER MANUAL...

  • Page 40: Measurement Of Resistance

    Set the rotary switch of function selec- tion at R position. ±200 mA Press F1 push-button and move to selection of measurement mode. Select R position by means of push-buttons and confirm by pressing ENTER. Connect the meter to the object tested. MPI-525 – USER MANUAL...

  • Page 41: Calibration Of Test Leads

    T eliminate the influence of the resistance of test leads on measurement result, the compensation (autozeroing) of resistance should be performed. For this purpose, R and R functions have ±200 mA AUTOZERO sub-function. Press F2 push-button. MPI-525 – USER MANUAL...
  • Page 42 Follow the instructions displayed on the screen. AUTOZERO message appears that confirms completion of test leads calibration. To remove the AUTOZERO compensation (return to default cali- bration), perform the above-mentioned activities, but with test leads open in point 3. MPI-525 – USER MANUAL...

  • Page 43: Checking Sequence Of Phases

    Connect the meter to the installation according to the drawing. Phase-to-phase voltages. The arrow rotates clockwise: correct Signalling the sequence of presence of phases; individual phases. the arrow rotates counterclockwise: incorrect sequence of phases. MPI-525 – USER MANUAL...

  • Page 44: Memory Of Measurement Result Data

    Memory of measurement result data MPI-525 meters are equipped with the memory that can store 50,000 single measurement results. The whole memory is divided into 10 memory banks containing 99 memory cells each. Thanks to dy- namic memory allocation, each of the memory cells can contain different quantity of single measurement results, depending on the needs.
  • Page 45 RCD that have been stored previously will be lost. n - Complete set of results (main result and supplementary results) for a given measuring function and preset measurement settings are stored in the memory. MPI-525 – USER MANUAL...

  • Page 46: Viewing Memory Data

    Select memory bank by means of push-buttons; se- lect a memory cell by means of push-buttons; par- ticular results or components of the result are selected by means of F3 and F4 push-buttons. MPI-525 – USER MANUAL...
  • Page 47 , [LIMIT I], [NOISE] CABLE 4: R (L1-N), (L2-N), , [LIMIT I], [NOISE] (L3-N), , [LIMIT I], [NOISE] CABLE 4: R (L1-L2), , [LIMIT I], [NOISE] (L1-L3), , [LIMIT I], [NOISE] (L2-L3), , [LIMIT I], [NOISE] MPI-525 – USER MANUAL...

  • Page 48: Deleting Memory Data

    The same principle applies to memory banks. If the memory is stored in a non-continuously, empty measurements and memory banks are omitted during viewing. 4.3 Deleting memory data Set the rotary switch of function selection at MEM position. Select “Memory erasing” by means of push-buttons. MPI-525 – USER MANUAL...
  • Page 49 Press ENTER push-button. Select deletion of the whole memory, a memory bank or a measurement by means push-buttons. Follow the instruction displayed by the meter. MPI-525 – USER MANUAL...

  • Page 50: Data Transmission

    USB cable and appropriate software. If the required accessories such have not been purchased along with the meter, then they are available from the manufacturer or an authorised distributor. The accessories may be used with many devices manufactured by SONEL S.A. equipped with the USB interface.
  • Page 51 The following messages will be displayed: Connecting and then Connection active. If it is impossible to establish connection the message Wireless connection lost will appear. Once the connection is established, follow the programme manual for data filing. Note: Standard pin for OR-1 is the „123”. MPI-525 – USER MANUAL...

  • Page 52: Power Supply

    6.2 Replacement of batteries (accumulators) MPI-525 meter is powered by 4 batteries (LR14). It can be also powered by the manufacturer’s accumulator package (SONEL NiMH). Battery charger is installed inside the meter and cooperates only with the manufacturer’s accumu- lator package.

  • Page 53: Charging Of Accumulators

    Charging finished. In order to turn the device off, remove the power supply plug of the charger. Operating mode Messages regarding the process of charging Charging progress, the changing interior section symbolizes charging MPI-525 – USER MANUAL...

  • Page 54: General Principles Regarding Using Ni-Mh Accumulators

    Keeping accumulators at high temperatures may accelerate this process even 100%. In order to prevent excessive discharge of accumulators, after which it would be necessary to format them, it is recom- mended to charge the accumulators from time to time (even if not in use). MPI-525 – USER MANUAL...

  • Page 55: Cleaning And Maintenance

    Worn-out electronic equipment should be sent to a collection point in accordance with the law of worn-out electric and electronic equipment. Before the equipment is sent to a collection point, do not dismantle any elements. Observe the local regulations concerning disposal of packages, worn-out batteries and accumula- tors. MPI-525 – USER MANUAL...

  • Page 56: Technical Data

    Indications of short circuit loop resistance R and short circuit loop reactance X Display range Resolution Basic uncertainty 0..19.99  0.01  (5% + 5 digits) of Z value  <20  Calculated and displayed for a value of Z MPI-525 – USER MANUAL...
  • Page 57 (which is used for displaying). As the correct value, consider I current value, displayed by the meter or by firmware. MPI-525 – USER MANUAL...
  • Page 58            1000         1000 * - does not apply to U = 110 V, 115 V and 127 V MPI-525 – USER MANUAL...
  • Page 59 ..1.4 x I n n n 300 mA 105..420 mA 1 mA 500 mA 175..700 mA  measurement can be performed for positive or negative half-periods of residual current  test current pass time ........ max. 3200 ms MPI-525 – USER MANUAL...
  • Page 60 1   Voltage at open terminals: 4…9 V  Output current at R<2 : min. 200 mA (I : 200..250 mA)  Compensation of test leads resistance  Measurements for both polarizations of test current MPI-525 – USER MANUAL...
  • Page 61 = 1000 V 0...1999 k 1 k 2.00...19.99 M 0.01 M  (3 % w.m. + 8 digits) 20.0...199.9 M 0.1 M 200...999 M 1 M  (4 % w.m. + 6 digits) 1.00...3.00 G 0.01 G MPI-525 – USER MANUAL...
  • Page 62 EN 60529................ IP54 d) power supply of the meter..........................alkaline batteries 4x1,5 V LR14 (C) or accumulator package SONEL NiMH 4,8 V 4,2 Ah e) parameters of AC adapter for the battery charge ......100 V…240 V, 50 Hz…60 Hz dimensions .......................

  • Page 63: Additional Data

    Temperature 0...35°C ±0.33 digit/°C for 25 V 1%, generally according to the be- Serial interference voltage low formulas 2% generally according to the be- Resistance of electrodes low formulas and the diagram Frequency 99%..101% Network voltage 85%..110% MPI-525 – USER MANUAL...

  • Page 64: Additional Uncertainties According To Iec 61557-6 (Rcd)

    Resistance to earth Resistance of voltage electrode Rs[Ω] 10.2.5 Additional uncertainties according to IEC 61557-6 (RCD) Significant parameter Designation Additional uncertainty Position Supply voltage 0% (BAT is not lit) Temperature 0...35°C Resistance of electrodes Network voltage 85%..110% MPI-525 – USER MANUAL...

  • Page 65: Accessories

    (long – 1.5 m and short – 30 cm) – WAPOZSZEKPL  USB interface cable – WAPRZUSB  accumulator package NiMH 4.8V 4.2Ah – WAAKU07  user manual  calibration certificate MPI-525 – USER MANUAL...

  • Page 66: Optional Accessories

    50m long  cable for charging the accumulator pack- age from the car cigarette lighter socket WAADAAISO25 WAADAAGT16P – five-wire version WAADAAGT16C – four-wire version  triple phase socket adapter AGT-16P  adapter AutoISO-2500 MPI-525 – USER MANUAL...
  • Page 67 (rod) (80 cm)  batteries compartment  calibration certificate issued by an accred- ited laboratory Note The software is supported by the following systems: Windows XP (Service Pack 2), Windows Vista, Windows 7. MPI-525 – USER MANUAL...

  • Page 68: Positions Of The Meter's Cover

    SONEL S.A. Wokulskiego 11 58-100 Świdnica Poland tel. +48 74 858 38 60 fax +48 74 858 38 09 E-mail: export@sonel.pl Web page: www.sonel.pl Attention: Service repairs must be realised solely by the manufacturer. MPI-525 – USER MANUAL...

  • Page 69: Laboratory Services

    National Metrological Institute. According to ILAC-G24 „Guidelines for determination of calibration intervals of measuring instruments”, SONEL S.A. recommends periodical metrological inspection of the instruments it manufactures no less frequently than once every 12 months.
  • Page 70 NOTES MPI-525 – USER MANUAL...
  • Page 72 MPI-525 – USER MANUAL...

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