Sonel MZC-306 Operating Manual
  1. Manuals
  2. Brands
  3. Sonel Manuals
  4. Measuring Instruments
  5. MZC-306
  6. Operating manual

Sonel MZC-306 Operating Manual

Fault loop impedance meter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MZC-306 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Sonel MZC-306

Summary of Contents for Sonel MZC-306

  • Page 3 OPERATING MANUAL FAULT LOOP IMPEDANCE METER MZC-306 SONEL SA ul. Wokulskiego 11 58-100 Świdnica Version 1.06 27.01.2016...
  • Page 4 The MZC-306 meter is a modern, easy and safe in use measuring device. Please acquaint yourself with the present manual in order to avoid measuring errors and prevent possible problems related to operation of the meter. OPERATING MANUAL MZC-306 version 1.06...

  • Page 5: Table Of Contents

    HARGING RECHARGEABLE BATTERIES -MH) .. 27 ENERAL RULES OF USING THE ICKEL ETAL YDRIDE BATTERIES CLEANING AND MAINTENANCE ..............28 STORAGE ......................28 DISMANTLING AND DISPOSAL ............... 28 TECHNICAL SPECIFICATIONS ............... 29 ......................29 ASIC DATA OPERATING MANUAL MZC-306 version 1.06...
  • Page 6 ....................32 DDITIONAL DATA 9.2.1 Additional uncertainties according to IEC 61557-3 (Z) ......32 EQUIPMENT ......................32 10.1 ..................32 TANDARD EQUIPMENT 10.2 ..................33 PTIONAL ACCESSORIES MANUFACTURER ....................34 OPERATING MANUAL MZC-306 version 1.06...

  • Page 7: Safety

    Safety MZC-306 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 safe- ty of electrical installations. Therefore, in order to provide conditions for correct operation and accura- cy of obtained results, the following recommendations must be observed: ...

  • Page 8: Measurements

    The value or symbol to be changed is flashing. Symbol indicates an active parameter, while symbol - indicates an inactive parameter. Set the parameters according to the following algorithm: OPERATING MANUAL MZC-306 version 1.06...

  • Page 9: Remembering The Last Measurement Result

    When you go to the voltage measurement screen with the ESC button, you can recall this result by pressing ENTER. Use the same button to recall the last result after powering the meter off and on (if the position of function selector has not been changed) OPERATING MANUAL MZC-306 version 1.06...

  • Page 10: Measurement Of Alternating Voltage

    After completing measurements, always remove modifications introduced to the tested system for the period of measurements and check the operation of the residual current switch. The above remark does not apply to measurements of short circuit loop impedance with Z RCD function. L-PE OPERATING MANUAL MZC-306 version 1.06...

  • Page 11: Selection Of Measurement Parameters

    Phase Parameter conductor Approval length Note: Cables from known manufacturers and selection of the correct length guaran- tees the declared measurement accuracy. OPERATING MANUAL MZC-306 version 1.06...

  • Page 12: Prospective Short-Circuit Current

    The voltage range U for which the short- The voltage range U for which the short- L-N, L-L, circuit current is calculated circuit current is calculated The voltage range for which the impedance measurement is performed OPERATING MANUAL MZC-306 version 1.06...

  • Page 13: Measurement Of Fault Loop Parameters In The L-N And L-L Circuits

    L-L circuit The meter is ready for measurement. Phase conductor length or the sym- bol. voltage Make measurement by pressing START push-button. Read the main meas- urement result: fault loop impedance Z short-circuit current OPERATING MANUAL MZC-306 version 1.06...
  • Page 14 To read additional results, press the << and >> . short-circuit current or fault loop impedance fault loop resistance fault loop reactance Mains volt- age at the time of measurement OPERATING MANUAL MZC-306 version 1.06...

  • Page 15: Measurement Of Fault Loop Parameters In The L-Pe Circuit

    Turn on the meter. Turn the rotary switch to the Z/U position. L-PE Depending on the needs, select the measurement parameters ac- cording to section 2.5.1. Connect test leads according to one of the drawings. OPERATING MANUAL MZC-306 version 1.06...

  • Page 16: Measurement Of Short Circuit Loop Impedance In L-Pe Circuit Protected With A Residual Current Device (Rcd)

    2.5.5 Measurement of short circuit loop impedance in L-PE circuit protected with a residual current device (RCD) The MZC-306 enables the fault loop impedance measurements without altering the mains with RCD's with the rated current of at least 30mA. OPERATING MANUAL MZC-306 version 1.06...
  • Page 17 In the electrical installations where RCD switches are used with short-circuit current of 30 mA, the sum of leakage currents of the installation and the test current may cut the RCD. If this happens, try to reduce the leakage current in the tested mains (for example by disconnecting loads). OPERATING MANUAL MZC-306 version 1.06...
  • Page 18 This message displayed after the measurement indicates major noise in the system during the measurement. The measurement result may be affected by a large, unspeci- fied error. All remaining messages as in case of measurement in L-N and L-L circuit. OPERATING MANUAL MZC-306 version 1.06...

  • Page 19: Memory Of Measurement Results

    Memory of measurement results MZC-306 meters are equipped with the memory that can store 3500 single measurement results. The whole memory is divided into 10 memory banks with 99 cells in each bank. Thanks to dynamic memory allocation, each of the memory cells can contain different quantity of single measurement re- sults, depending on the needs.
  • Page 20 (shown below) appears for a moment, accompanied by three short beeps, and then the meter returns to display the last result of the measurement. An attempt to overwrite a result causes the warning symbol to appear. OPERATING MANUAL MZC-306 version 1.06...

  • Page 21: Viewing Memory Data

    Additional information displayed by the meter Measurement made in L-N loop for Z function Measurement made in the L-L loop for Z function Measurement made for Z function L-PE alternating with Measurement made for Z RCD function L-PE OPERATING MANUAL MZC-306 version 1.06...

  • Page 22: Deleting Memory Data

    The deletion pro- Press ENTER to start deleting or ESC gress is shown on to abort. the display in %. When deletion is complete, the me- ter generates three OPERATING MANUAL MZC-306 version 1.06...

  • Page 23: Deleting The Whole Memory

    Set the bank number between "0" and "9"..the bank number disappears, and sym- is displayed, indicating the readi- ness to delete. “?” and sym- bols appear, ask- ing you to confirm Press ENTER push-button. deletion. OPERATING MANUAL MZC-306 version 1.06...

  • Page 24: Communication With Pc

    3.4.2 Data transmission If the switch is in the MEM position, after detecting the USB connection with the computer the meter automatically goes to the data transmission mode and displays the fol- lowing screen. OPERATING MANUAL MZC-306 version 1.06...

  • Page 25: Software Update

    Turn on the meter by pressing and keeping ENTER and SET buttons. The meter displays the following screen. After connecting the meter to a PC using a USB cable, follow the instructions of the software. OPERATING MANUAL MZC-306 version 1.06...

  • Page 26: Troubleshooting

    The meter indicates the Incorrectly selected test values close to zero or leads in the meter set- zero irrespective of the tings. location measure- ment and these values are significantly different than expected. OPERATING MANUAL MZC-306 version 1.06...

  • Page 27: Power Supply Of The Meter

    Replacing batteries (rechargeable batteries) MZC-306 meter is powered from SONEL NiMH rechargeable battery pack. It is also possible to power the meter by using four LR14 batteries. Battery charger is installed inside the meter and cooperates only with the manufacturer’s accumu- lator pack.

  • Page 28: Charging Rechargeable Batteries

     fast blinking: emergency status,  steady light: end of charging. In case when you insert the batteries and connect the adaptor, the following message is displayed and charging is not started. OPERATING MANUAL MZC-306 version 1.06...

  • Page 29: General Rules Of Using The Nickel Metal Hydride (N I -Mh) Batteries

    - Do not charge and do not use the batteries at extreme temperatures as they reduce the life of batter- ies. Avoid using the battery-powered devices in very hot places. The rated operating temperature must be observed at all times. OPERATING MANUAL MZC-306 version 1.06...

  • Page 30: Cleaning And Maintenance

    Used electronic equipment shall be sent to the collection point according to the Used Electric and Electronic Equipment Act. Before sending the instrument to the collection point, do not dismantle any parts by yourself. Observe local regulations on disposal of packagings and used batteries. OPERATING MANUAL MZC-306 version 1.06...

  • Page 31: Technical Specifications

    Display range Resolution Basic uncertainty 0..19.99 Ω 0.01 Ω ± (5% + 5 digits) value Z 20.0..199.9 Ω 0.1 Ω ± (5% + 5 digits) value Z  <200 Ω Calculated and displayed for Z OPERATING MANUAL MZC-306 version 1.06...
  • Page 32 X Display range Resolution Basic uncertainty 0..19.99 Ω 0.01 Ω ± (6% + 10 digits) of Z 20.0..199.9 Ω 0.1 Ω ± (6% + 5 digits) of Z  Calculated and displayed for Z <200 OPERATING MANUAL MZC-306 version 1.06...
  • Page 33 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 34: Additional Data

     meter case L-4 – WAFUTL4  meter harness – WAPOZSZE2  operating manual  guarantee card  calibration certificate  NiMH 4.8 V 4.2 Ah accumulator package – WAAKU07  Z7 charger – WAZASZ7 OPERATING MANUAL MZC-306 version 1.06...

  • Page 35: Optional Accessories

    AGT-16P adapter for three-phase sock-  AGT-32P adapter for three-phase sock- WAADAAGT63P - five-wire version WAPRZLAD12SAM  cable for charging the accumulator pack-  AGT-63P adapter for three-phase sock- age from the car cigarette lighter socket OPERATING MANUAL MZC-306 version 1.06...

  • Page 36: Manufacturer

    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 solely by the manufacturer. OPERATING MANUAL MZC-306 version 1.06...
  • Page 37 OPERATING MANUAL MZC-306 version 1.06...
  • Page 38 NOTES OPERATING MANUAL MZC-306 version 1.06...

This manual is also suitable for:

Wmgbmzc306

Table of Contents