Sonel MIC-15k1 User Manual
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Sonel MIC-15k1 User Manual

Insulation resistance meter
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Summary of Contents for Sonel MIC-15k1

  • Page 3 USER MANUAL INSULATION RESISTANCE METER MIC-15k1 SONEL S.A. Wokulskiego 11 58-100 Świdnica Version 1.05 01.10.2019...
  • Page 4 MIC-15k1 meter is a modern, top quality measuring instrument, easy and safe to use, provided that the principles presented in this manual are observed. In addition, becoming acquainted with the man- ual will help you avoid measuring errors and will prevent any possible problems in operation of the meter.

  • Page 5: Table Of Contents

    12.2 Additional data ....................... 48 12.2.1 Additional uncertainties according to EN 61557-2 (R ) ..........48 13 Equipment ...................... 49 13.1 Standard equipment ....................49 13.2 Additional equipment ....................49 14 Manufacturer ....................50 15 Laboratory services ..................51 MIC-15k1 – USER MANUAL...

  • Page 6: Safety

    Safety MIC-15k1 meter is designed for performing check tests of protection against electric shock in mains systems. The meter is used for making measurements and providing results to determine safety of electrical installations. Therefore, in order to provide conditions for correct operation and accuracy of obtained results, the following recommendations must be observed: ...

  • Page 7: General Description And Features Of The Instrument

    General description and features of the instrument Digital MIC-15k1 meter is designed to measure the insulation resistance. The most important features of the device include:  Measurement of insulation resistance  test voltages: 500 V, 1000 V, 2500 V, 5000 V, 10 000 V and 15 000 V or adjustable within the range of 50…15 000 V...

  • Page 8: Meter Configuration

    After reaching the approximate target value, tune the value to the desired level by pressing briefly. The setting sequence is as follows: Rated grid frequency (50 Hz or 60 Hz). Auto-off time (300 s, 600 s, 900 s) or none (- - - -). MIC-15k1 – USER MANUAL...
  • Page 9 The same PIN code needs to be entered:  in the computer software for wireless transmission (SonelReader),  in the mobile application Sonel MIC Mobile to es- tablish a connection. Absorption coefficients for R  Ab1, Ab2 ( )  PI, DAR ( ).
  • Page 10 Wireless Bluetooth communication:  - disabled,  - enabled. When the communication is enabled, HV LED flashes blue. Current time. buttons to move from setting hours to minutes and the other way round. Set the value with buttons. MIC-15k1 – USER MANUAL...
  • Page 11 Set the value with buttons.  Press ENTER to go to the measurement screen with change approval.  Press ESC to go to the measurement screen without change approval. MIC-15k1 – USER MANUAL...

  • Page 12: Measurements

    The current limitation occurs in the first phase of the measurement due to charging the ca- pacitance of the tested object. Graph 4.1. The actual test voltage U as a function of the measured insulation resistance R (for maximum test voltage) MIC-15k1 – USER MANUAL...

  • Page 13: Double-Lead Measurement

    During parameter setting, holding the buttons pressed for a longer time accelerates changing its value.  After reaching the approximate target value, tune the value to the desired level by pressing briefly. The setting sequence is as follows: MIC-15k1 – USER MANUAL...
  • Page 14  t (independent of t1, t2 and t3: 1 s…99 min 59 s). Setting the times t1…t3. Setting the total measurement time t. Maximum current I forced by the meter:  1.2 mA,  3 mA,  5 mA,  7 mA. MIC-15k1 – USER MANUAL...
  • Page 15 1 kΩ press  in position 40 kΩ. press  Press ENTER to confirm settings (confirmed by beep).  Press ESC to exit without saving the changes. Connect test leads according to the drawing. MIC-15k1 – USER MANUAL...
  • Page 16  30 s (F 30),  60 s (F 60),  100 s (F 100),  200 s (F 200),  then, the filter is switched off (F - -). Filter setting is automatically deleted after turning the MIC-15k1 – USER MANUAL...
  • Page 17  Take particular care during cable measurement. After discharging their capacitance by the meter the voltage can be rebuilt automatically. MIC-15k1 – USER MANUAL...
  • Page 18 In case of power cables measure the insulation resistance between each conductor and other conductors shorted and grounded (Fig. 4.1, Fig. 4.2). In shielded cables, the shield is also shorted. Fig. 4.1. Measurement of an unshielded cable Fig. 4.2. Measurement of a shielded cable MIC-15k1 – USER MANUAL...

  • Page 19: Three-Lead Measurement

    - sockets to the windings.  Measurement of insulation resistance between one of the windings and the transformer tank. G socket of the meter should be connected to the second winding, and R + socket to the ground potential. MIC-15k1 – USER MANUAL...
  • Page 20 - other conductors that do not take part in the measurement are attached to G terminal.  Insulation resistance measurement of high voltage breaker. G socket of the meter is con- nected with the insulators of disconnector terminals. MIC-15k1 – USER MANUAL...

  • Page 21: Measurements With Increasing Voltage - Sv

    Buttons are used to go to the next parameter. The setting sequence is as follows: Maximum (final) measurement voltage:  1 kV,  2.5 kV,  5 kV,  10 kV,  15 kV. MIC-15k1 – USER MANUAL...
  • Page 22 2 i t2 / R 2 and I → … where: C – capacitance of the tested object. Further information, starting the measurement, displayed symbols, result readout and component view operate identically as the R measurement (chapter 4.1 p. 16). MIC-15k1 – USER MANUAL...

  • Page 23: Measurement With Ramp Test - Rt

    LIMIT (maximum value of the voltage in- crease),  rate of voltage increase U VEL (V/min),  time of maintaining voltage on the measured object  test current I  leakage current limit I ≤ I MIC-15k1 – USER MANUAL...
  • Page 24 VEL. It is within the range of 100 V/min…12 kV/min. For example:  100 V/min ≈ 1.6 V/s,  12 kV/min = 200 V/s. Time t , for which voltage should be present on the tested object (Graph 4.2). MIC-15k1 – USER MANUAL...
  • Page 25 Press ESC to exit without saving the changes. The meter is ready for measurement. To start the measurement:  press START and hold it for 5 s  at the same time press START and ENTER. MIC-15k1 – USER MANUAL...

  • Page 26: Damage Location ( After-Burning)

    It helps to identify the fault - visually or with the use of other methods (geophone, seismic and acoustic method, etc.).  In the location, reflectometric methods can be used, or the so-called A fame. This frame is used for spot detection of earth fault. MIC-15k1 – USER MANUAL...
  • Page 27  press START and hold it for 5 s  at the same time press START and ENTER. In case of insulation breakdown, the meter does not stop the measurement. The measurement lasts un- til the expiry of the time preset in step MIC-15k1 – USER MANUAL...

  • Page 28: Dielectric Discharge Indicator - Dd

    1min – test voltage [V], C – capacitance [µF]. The measurement result indicates the status of the insulation. It may be compared with the following table. DD value Insulation condition >7 Weak Not the best <2 MIC-15k1 – USER MANUAL...
  • Page 29 Press ENTER to confirm the settings.  Press ESC to exit without saving the changes. To start the measurement:  press START and hold it for 5 s  at the same time press START and ENTER. MIC-15k1 – USER MANUAL...
  • Page 30  the voltage on the object at the moment (main read- ing). Screen after completed measurement. In an environment with strong electromagnetic interferences the measurement may be affected by additional uncertainty. MIC-15k1 – USER MANUAL...

  • Page 31: Partial Discharge Indicator

    Partial discharge data are not saved in the device memory. Remote control of the meter The instrument can be controlled remotely via Sonel MIC Mobile. To do this, enable wireless data transmission (chapter 3 step ) and enter the btrc mode, following the steps below.
  • Page 32  H.V. LED is flashing,  a beep is heard. If the remote control is inactive, the attempt to initiate measurement from the mobile application produces the following message: btrc OFF. MIC-15k1 – USER MANUAL...

  • Page 33: Determining The Length Of The Tested Cable

    In this case the obtained value is 0.3 µF/km. Start the measurement. After the measurement use the F3 and F4 buttons (SCREEN) to see individual components of the result I and C, where: C – capacitance of the tested object. MIC-15k1 – USER MANUAL...
  • Page 34 , the length L may be calculated.    In this case, for: C = 68.1 nF = 0.3 µF/km = 300 nF/km the cable length is:     MIC-15k1 – USER MANUAL...

  • Page 35: Memory Of Measurement Results

    Memory of measurement results MIC-15k1 meter is equipped with a memory of 990 cells, each of which may include the result of measurement. The entire memory is divided into 10 memory banks with 99 memory cells each. Due to dynamic memory allocation, each of the memory cell can contain different quantity of single measurement results, depending on the needs.
  • Page 36 Saving is indicated by a triple beep and by a rec- tangle displayed on the main display field.  Cell number is changed with buttons  Bank number is changed with buttons  Press ESC to return to displayed result without saving. MIC-15k1 – USER MANUAL...

  • Page 37: Viewing Memory Data

    By pressing F2 button, the time of the measurement can be recalled:  time (press once)  date (press twice). The parameters will be displayed for 3 seconds, followed by the return to the value of a given measurement. MIC-15k1 – USER MANUAL...
  • Page 38 While viewing R results, the field of timer / memory displays alternately bank and cell numbers and the time in which the result was entered into memory. This applies to all R measurements. MIC-15k1 – USER MANUAL...

  • Page 39: Deleting Memory Data

    Set the bank number to be deleted using but- tons. Decrease or increase the number with buttons until … …it disappears, replaced by the symbol signalling readiness to delete. Press ENTER. symbols appear, asking you to confirm deletion. MIC-15k1 – USER MANUAL...

  • Page 40: Deleting The Entire Memory

    5.3.2 Deleting the entire memory Set the rotary switch of function selection at MEM po- sition. Decrease or increase the bank number with buttons until … …it disappears, replaced by the symbol signalling readiness to delete. MIC-15k1 – USER MANUAL...
  • Page 41 Press ENTER button. symbols appear, asking you to confirm deletion. Press ENTER again. After deleting the bank, the meter beeps three times sets bank cell numbers as "1." MIC-15k1 – USER MANUAL...

  • Page 42: Data Transmission

     Sonel MIC Mobile application. The software may be used for many devices manufactured by SONEL S.A. which are equipped with the USB interface. Detailed information is available from the manufacturer and distributors. If the required software has not been purchased with the meter, it may be obtained from the manufacturer or from an authorised distributor.

  • Page 43: Data Transmission Using Bluetooth Module

    (chapter 3 step Start data archiving program on the computer.  Standard PIN code for Bluetooth transmission is 0123. See also chapter 3 step  With the USB cable active the radio transmission is not possible. MIC-15k1 – USER MANUAL...

  • Page 44: Software Updates

    ON/OFF button briefly. Keep the MENU button pressed as long as icon appears. Using the buttons display the following screen. Connect the meter to the computer using an USB ca- ble and press ENTER. Follow the instructions of the software. MIC-15k1 – USER MANUAL...

  • Page 45: Power Supply

    In order to turn the device off, unplug the power charger. Due to interferences in the mains, the process of battery charging may finish too early. When charging time is too short, turn off the meter and start charging again. MIC-15k1 – USER MANUAL...

  • Page 46: Power Supply From Mains

    This may result in the ignition or explosion. A short-circuit of the battery poles "+" and "-" may permanently damage the battery pack or even cause its fire or explosion.  Do not immerse Li-Ion battery in liquids and do not store in humid conditions. MIC-15k1 – USER MANUAL...

  • Page 47: 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 local regulations concerning disposal of packages, waste batteries and accumulators. MIC-15k1 – USER MANUAL...

  • Page 48: Technical Data

             digits             where: – voltage at which the measurement is conducted [V] – measured resistance [Ω] MIC-15k1 – USER MANUAL...
  • Page 49 (when discharging the object).  Base uncertainty of measurement is met for the tested capacitance connected in parallel with a resistance greater than 10 MΩ.  For measurement voltages below 100 V the measurement error is not specified. MIC-15k1 – USER MANUAL...

  • Page 50: Additional Data

    ......................EN 61326-1 and EN 61326-2-2 NOTE! MIC-15k1 meter is classified in terms of Electromagnetic Compatibility (EMC) as in- struments of Class A (for use in industrial environments - according to EN 50011). In- terferences, impacting the operation of other devices must be taken into account when the meters are used in other environments (e.g.

  • Page 51: Equipment

     W1 hanging straps – WAPOZSZE5  L4 carrying case – WAFUTL4  user manual  mobile application Sonel MIC Mobile downloaded from www.sonel.pl  guarantee card  calibration certificate 13.2 Additional equipment Additionally, the following items that are not included in the scope of standard equipment can be purchased from the manufacturer or the distributors: ...

  • Page 52: Manufacturer

    The manufacturer of the device and provider of guarantee and post-guarantee service: 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 NOTE! Service repairs must be performed only by the manufacturer. MIC-15k1 – USER MANUAL...

  • Page 53: Laboratory Services

    National Metrological Institute. According to ILAC-G24 „Guidelines for determination of calibration intervals of measuring instru- ments”, SONEL S.A. recommends periodical metrological inspection of the instruments it manufac- tures no less frequently than once every 12 months.
  • Page 54 NOTES MIC-15k1 – USER MANUAL...
  • Page 55 NOTES MIC-15k1 – USER MANUAL...
  • Page 56 MEASURING MESSAGES NOTE! Connecting voltage higher than 1500 V between any of the test terminals may damage the meter and cause a hazard to the user. Test voltage is present on terminals of the meter. You must consult the manual. The meter is ready for measurement.

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