Sonel MMR-650 User Manual
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Sonel MMR-650 User Manual

Low resistance meter
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Summary of Contents for Sonel MMR-650

  • Page 3 LOW RESISTANCE METER MMR-650 USER MANUAL SONEL S.A. Wokulskiego 11 St. 58-100 Świdnica, Poland Version 1.03 08.01.2018...
  • Page 4 Thank you for purchasing our low-resistance meter. MMR-650 is a modern, high-quality measuring device, which is easy and safe to use. Please acquaint yourself with this manual in order to avoid measuring errors and prevent possible problems in operation of the meter.

  • Page 5: Table Of Contents

    Entering the results of measurements without previously organized memory ....50 4.3 Viewing memory data ....................53 4.4 "Search" in the memory ................... 55 4.5 Copying customer data from the memory to USB stick and vice versa....57 4.6 Deleting memory data ..................... 58 MMR-650 – USER MANUAL...
  • Page 6 7 Cleaning and maintenance ................62 8 Storage ......................62 9 Dismantling and Disposal ................62 10 Annexes ......................63 10.1 Technical specifications ..................63 10.2 Standard equipment ....................64 10.3 Optional accessories ....................65 10.4 Manufacturer ......................66 MMR-650 – USER MANUAL...

  • Page 7: Safety

    In case of measurements on systems, components and devices that may be under dangerous volt- age, MMR-650 may be used only by qualified persons who are authorized to work on electric instal- lations. Unauthorized use of the meter may result in its damage and may be a source of serious hazard to the user.

  • Page 8: General Settings - Menu

    In the main menu, click icon Click Meter settings button. 2.1.1 Energy saving In order to save its rechargeable battery, the meter automatically shuts off or blanks the screen after an adjustable inactivity period. Click Energy saving button MMR-650 – USER MANUAL...

  • Page 9: Sound Settings

    Set the inactivity time for blanking the screen and turn- ing off the meter. 2.1.2 Sound settings Click Sound settings button. Click the box to turn on ( or off the sound signals. MMR-650 – USER MANUAL...

  • Page 10: Pin Code Settings

    Use "+" and "-" buttons to set the code and confirm it by pressing OK. The PIN code is used for communication with PC. The factory code is 123. 2.1.4 Display brightness settings Click Display brightness button. MMR-650 – USER MANUAL...

  • Page 11: Wi-Fi Configuration

    2.1.5 Wi-Fi configuration Click WiFi configuration but- ton. To see local active WiFi net- works, click Search network button. The meter detected networks secured by password. Click the name of the network to en- ter the password. MMR-650 – USER MANUAL...
  • Page 12 You may use off button to turn off WiFi. After clicking Prefered net- works button, the meter will display networks saved in its memory. You may delete the network by pressing button. MMR-650 – USER MANUAL...

  • Page 13: Printer Settings

    2.2 Memory settings In the main menu, click button. Note: By pressing button, you may enter settings or enter the higher level in the settings. Click Memory settings but- ton. MMR-650 – USER MANUAL...

  • Page 14: Memory Management

    Use button located at the cli- ent to delete individual client. 2.2.2 Object types database This is a list of types of tested resistive and inductive objects. Click Object types database button. MMR-650 – USER MANUAL...

  • Page 15: Object Names Database

    Enter a new type of the object being tested. Added types may be deleted by pressing 2.2.3 Object names database It is a list of names of tested objects or measurement points. Click Object names data- base button. MMR-650 – USER MANUAL...
  • Page 16 The meter has 4 default names saved in its memory. button to add a new name. Enter the name of the object. Added names may be deleted by pressing MMR-650 – USER MANUAL...

  • Page 17: Resistance Limits Database

    2.2.4 Resistance limits database The specified limits may be used to automatically assess the validity of the results of resistance measurements. Click Resistance limits data- base button. Click button, to add a new limit. Click Limit’s name box. MMR-650 – USER MANUAL...
  • Page 18 You can set only one of the limits. button to save the limit in the memory. By press- you may exit without saving. button to cancel the limit. MMR-650 – USER MANUAL...

  • Page 19: Temperature Limits Database

    The specified limits may be used to automatically assess the validity of the results of temperature measurements. Click Temperature limits da- tabase button. Click button, to add a new limit. Enter and save the limits using the same method as de- scribed in section 2.3.4. button to cancel the limit. MMR-650 – USER MANUAL...

  • Page 20: Material Database

    Use button to add a new material. Enter and save the material and α coefficient, using the same method as described in section 2.3.4. button to delete the added material. MMR-650 – USER MANUAL...

  • Page 21: Software Update

    USB drive with the update files and click Update or en- sure Internet connection of the meter via WiFi, and click Update button. The meter is downloading software. Click OK to run the update or close the window to cancel. MMR-650 – USER MANUAL...

  • Page 22: Service

    This function is available for factory servicing and is protected by password. 2.5 User interface settings In the main menu, click icon Click User interface settings button. Uncheck Screen keyboard box to inactivate the screen keyboard. MMR-650 – USER MANUAL...

  • Page 23: Language Selection

    2.5.1 Language selection Click Language button. Click the selected language. 2.5.2 Selecting temperature unit Click Temperature button. Click the button of selected unit. MMR-650 – USER MANUAL...

  • Page 24: Selecting The Startup Screen

    2.5.4 Changing the date and time Click date button. Use "+" and "-" buttons to set year, month and day, then and confirm it by pressing Similarly, you may set the time. To make changes, click Change button. MMR-650 – USER MANUAL...

  • Page 25: Information About The Meter

    In the main menu, click icon Click About the meter button. The screen will display infor- mation on the meter and its manufacturer. 2.7 Factory (default) settings In the main menu, click icon Click Default settings button. MMR-650 – USER MANUAL...
  • Page 26 - list of R limits, - list of T limit, - sound settings, - default startup screen, - the list of WiFi networks, - temperature unit, - PIN code settings, - energy saving settings, - display brightness. MMR-650 – USER MANUAL...

  • Page 27: Measurements

    When during the logging process you click a point already existing in the memory, then its name created during the memory management will be overwritten by the name typed in the measurement box. MMR-650 – USER MANUAL...
  • Page 28 - After selecting automatic trigger, the first measurement must be started by pressing START/STOP button, next measurements may be initiated by connecting the test leads to the object. - Automatic trigger operates correctly for resistance ≤ 4 kΩ, above this value there is no guarantee of correct operation. MMR-650 – USER MANUAL...
  • Page 29 Note: - When you activate the temperature compensation, set all the values (not necessarily the ambient temperature) to exit to the measurement screen. - The ambient temperature is added to the measurement report. MMR-650 – USER MANUAL...
  • Page 30 Press button to go to the measurement. Connect the meter to the tested object. Press START/STOP. Correct result: R within limits. Incorrect result" R outside limits. MMR-650 – USER MANUAL...

  • Page 31: Testing The Inductive Objects

    - Declared measurement uncertainty refers to the measured value; for value calculated with the refer- ence temperature the uncertainty is not specified. - The result may be entered into the memory by pressing button (see sec. 4.2). 3.2 Testing the inductive objects When necessary, name the measuring point. MMR-650 – USER MANUAL...
  • Page 32 No-load losses in such a transformer are much lower than in traditional transformers. The process of measuring the resistance, due to the nature of the object, contains a measurement algorithm modified in relation to normal inductive objects. MMR-650 – USER MANUAL...
  • Page 33 Note: - When you activate the temperature compensation, set all the values (not necessarily the ambient temperature) to exit to the measurement screen. - The ambient temperature is added to the measurement report. MMR-650 – USER MANUAL...
  • Page 34 Press button to go to the measurement. Connect the meter to the tested object. Press START/STOP. Correct result: R within limits. MMR-650 – USER MANUAL...
  • Page 35 - Resistance values> 2 kΩ, displayed on the screen during the measurement are shown for information purposes - they have no specified accuracy. - The result may be entered into the memory by pressing button (see sec. 4.2). MMR-650 – USER MANUAL...

  • Page 36: Measurement With Automatic Method Selection

    - For high power transformers it is recommended to use the measurement in the same mode as for inductive objects. 3.4 Logger The logger is designed for logging the results with the interval from 1 second to 15 minutes. When necessary, name the measuring point. MMR-650 – USER MANUAL...
  • Page 37 - The selected sampling time must be lower than the time set for logging, otherwise the meter will set the default times. Select resistance limits from the database (click Limit settings’ name) or set the required limits for the performed measurement by clicking Lower limit and/or Upper limit. MMR-650 – USER MANUAL...
  • Page 38 Connect the meter to the tested object. Press START/STOP. Sample No./number of samples Time interval Logging time button to display the graph of resistance over time - both during the logging pro- cess and after its completion. MMR-650 – USER MANUAL...

  • Page 39: Core Demagnetization

    Core type selection: - normal - amorphous Connect the meter to the transformer windings. Press START/STOP. Wait for the following screen. Note: - It is recommended to carry out demagnetization from the low-voltage winding of the transformer. MMR-650 – USER MANUAL...

  • Page 40: Special Features

    After a working period, initially the winding temperature differs from the temperature of the motor block. It may be calculated by measuring the change of the winding resistance. MMR-650 – USER MANUAL...
  • Page 41 - the measuring current is lim- ited to a value not exceeding the set value. Setting the measuring current values or limits. button to go to limit settings (mode, measurement and triggering are set as non- adjustable). MMR-650 – USER MANUAL...
  • Page 42 Enter the tempera- ture of the object or measure it with a thermometer connected to the meter socket. Note: - Entering factor "α" and the temperature of the object is necessary to exit to the measurement screen. MMR-650 – USER MANUAL...
  • Page 43 Press button to go to the measurement. Connect the meter to the motor windings. Press START/STOP. Disconnect the test leads from the motor, start the motor. MMR-650 – USER MANUAL...
  • Page 44 After the desired working time turn off the engine, reconnect the meter to the motor winding and press START/STOP. – resistance of the cold winding – resistance of the hot winding – temperature of the cold object α - temperature coefficient of resistance - upper limit - lower limit MMR-650 – USER MANUAL...

  • Page 45: Memory

    Click button to add a cli- ent. By clicking the individual fields, enter customer data using the keyboard. Client's name (box marked in orange) is mandatory. MMR-650 – USER MANUAL...

  • Page 46: Entering Objects, Subobjects, Measurement Points And Logs

    4.1.2 Entering objects, subobjects, measurement points and logs 4.1.2.1 Entering objects and subobjects Click of the selected cli- ent. To add an object, measuring point or log, click button. MMR-650 – USER MANUAL...
  • Page 47 Select one of the default names or enter your own. You may attach an additional description by clicking De- scription box. By clicking Object type box, you may se- lect the default type of or en- ter your own. MMR-650 – USER MANUAL...
  • Page 48 By clicking you can add more objects. By clicking the object field and button, you may enter subobjects in the object etc.- up to 4 levels. MMR-650 – USER MANUAL...

  • Page 49: Entering Measurement Points And Logs

    Log is a measuring point distinguished due to performing a series of measurements in one point. Click of the client, and then or press button at the level of the object (subobject). Click Measurement point or Log button. Click Measurement point’s name box, to name the object - mandatory. MMR-650 – USER MANUAL...
  • Page 50 For logging, it is possible to add an additional description, similarly as for the object. button to enter a measuring point or log to the memory. MMR-650 – USER MANUAL...

  • Page 51: Storing The Measurement Results In The Memory

    - The measurement result may be entered only to the measuring point or to logger. 4.2.1 Entering the results of measurements with previously organized memory Press button after finishing the measurement. Select the client by clicking button next to its name. Select the object (subobject) by clicking its name. MMR-650 – USER MANUAL...

  • Page 52: Entering The Results Of Measurements Without Previously Organized Memory

    (indicated by orange border). Save the result by clicking button. 4.2.2 Entering the results of measurements without previously organized memory Method 1 Press button after finishing the measurement. Click button to add a client. MMR-650 – USER MANUAL...
  • Page 53 After adding and saving the object (also subobjects if nec- essary), click button to add the measurement point. After adding and saving the measuring point, click The result is saved to memory, the meter returns to the measuring mode. MMR-650 – USER MANUAL...
  • Page 54 Measurement point’s name and enter the name. Press button after finishing the measurement. Click button to add a cli- ent. After saving the client click its button and then click button to add the object. MMR-650 – USER MANUAL...

  • Page 55: Viewing Memory Data

    - the measuring point with the measurement result will be saved automatically. 4.3 Viewing memory data Click button, to enter the memory. Click of the selected object and then click on the object, subobjects, measuring point or logger. MMR-650 – USER MANUAL...
  • Page 56 When using the logger, click- ing the field with results will cause the meter to display the individual samples. You may scroll them using but- tons. Use button to dis- play the graph. MMR-650 – USER MANUAL...

  • Page 57: Search" In The Memory

    In order to facilitate searching for an object or device in the memory, a function of memory search is added. To start the function of searching in the memory: Click button. Click of the selected client. In any of the client's window, click button. MMR-650 – USER MANUAL...
  • Page 58 After entering all the search criteria, click button again. Note: - To perform the search, enter the name (or its part) or one of the dates. - The size of letters in the name of searched item is ignored. MMR-650 – USER MANUAL...

  • Page 59: Copying Customer Data From The Memory To Usb Stick And Vice Versa

    Insert the USB stick into the appropriate USB slot of the meter. Click button. Click , to save data in the USB stick or to copy data from the USB stick to the memory of the meter. MMR-650 – USER MANUAL...

  • Page 60: Deleting Memory Data

    To delete a client, click on its name and then click button. Click YES to confirm deleting or NO to cancel it. To delete an object or the meas- uring point / log, enter its edition by clicking MMR-650 – USER MANUAL...

  • Page 61: Report Printing

    The printout includes all the results and parameters of the measurement, assessment (positive/neg- ative), the date and time of measurement and data of person performing it, entered in the printer settings. Note: - Log results are not printed. MMR-650 – USER MANUAL...

  • Page 62: Power Supply

    Replacing the battery pack MMR-650 is equipped with a rechargeable lithium-ion battery pack and a charger for charging it. The battery pack is placed in the battery compartment. Battery charger is installed inside the housing of the meter and is compatible only with the manufacturer’s rechargeable battery pack.

  • Page 63: General Rules For Using Li-Ion Rechargeable Batteries

    - Any misuse of the battery may cause its permanent damage. This may result in the ignition. The seller and the manufacturer shall not be liable for any damages resulting from improper handling Li-Ion battery pack. MMR-650 – USER MANUAL...

  • Page 64: Cleaning And Maintenance

    Worn-out electronic equipment should be sent to a collection point in accordance with the law of waste electrical 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. MMR-650 – USER MANUAL...

  • Page 65: Annexes

    ............... up to 600 Vac for 10 s e) power supply ..............Li-Ion rechargeable battery 7.2 V 8.8 Ah power supply to battery charger ............90 V..265 V/50 Hz..60 Hz, 2 A MMR-650 – USER MANUAL...

  • Page 66: Standard Equipment

    ST-3 – WASONT3 • power cord – WAPRZ1X8BLIEC, • meter case and accessories L11 – WAFUTL11, • USB cable – WAPRZUSB, • operating manual, • calibration certificate – LSWPLMMR650, • PC software (Sonel Reader), • guarantee card. MMR-650 – USER MANUAL...

  • Page 67: Optional Accessories

    • temperature probe ST-1 cable WAADAD2 WAADACK2D • USB printer for reports/codes, portable • USB barcode reader, 2D, USB Note The software is supported by the following systems: Windows XP (Service Pack 2), Windows Vista and Windows 7. MMR-650 – USER MANUAL...

  • Page 68: Manufacturer

    The manufacturer of the device and provider of guarantee and post-guarantee service: SONEL S.A. ul. 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 Note: Service repairs must be performed only by the manufacturer. MMR-650 – USER MANUAL...
  • Page 69 NOTES MMR-650 – USER MANUAL...
  • Page 70 NOTES MMR-650 – USER MANUAL...
  • Page 71 SYMBOLS DISPLAYED BY THE METER Memory Measurement setup mode Settings Saving to memory Return to the main menu Report print Temperature measurement, Help reference temperature Presentation of Adding a client, object or measurement results in the measuring point form of a time chart Searching for an object or Exit from the option measurement point...

Table of Contents