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Related Manuals for Sonel MZC-340-PV
Summary of Contents for Sonel MZC-340-PV
- Page 3 USER MANUAL FAULT LOOP IMPEDANCE METER MZC-340-PV SONEL S.A. Wokulskiego 11 58-100 Świdnica Poland Version 1.01 19.02.2024...
- Page 4 The MZC-340-PV meter is a modern, top quality measuring instrument which is easy and safe to use, provided that the principles presented in this manual are observed. In addition, becoming acquainted with the manual will help you avoid measuring errors and will prevent any possible problems with the operation of the meter.
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Page 5: Table Of Contents
Exceeding the measurement range ................. 29 8.1.2 Battery status ........................29 8.2 Self-test error messages ..................29 8.3 Before you send the device for repairs ..............30 9 Power supply ....................31 9.1 Power supply voltage monitoring ................31 MZC-340-PV – USER MANUAL... - Page 6 13.1.3 Measurement of short-circuit loop parameters using high current (Zs – 4-pole method, =305 A) ........................35 13.2 Other technical data ....................37 13.3 Additional data ....................... 38 13.3.1 Additional uncertainties according to IEC 61557-3 (Z) ............. 38 14 Manufacturer ....................38 MZC-340-PV – USER MANUAL...
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Page 7: General Information
CAT III – concerns measurements performed in buildings installations, CAT IV – concerns measurements performed at the source of low voltage installation. Behaviour of signalling LEDs The LED is on The LED flashes slowly The LED flashes rapidly continuously MZC-340-PV – USER MANUAL... -
Page 8: Safety
Safety The MZC-340-PV meter is designed for performing inspection tests for protection against electric shock in mains systems. The meter is used for making measurements and providing results to deter- mine safety of electrical installations. Therefore, in order to provide the conditions for correct operation and accuracy of obtained results, the following recommendations must be observed: ... -
Page 9: Quick Start
Call up the meter's network interface. Enter the meter settings. Enter the measurement settings. Connect the meter to the tested object. Start the measurement. Save Save the result in the memory. results Turn the meter off. MZC-340-PV – USER MANUAL... -
Page 10: Interface And Configuration
Turn on the meter (short press) directly – access point Turn off the meter (press and hold) indirectly – foreign wireless ne- twork Shutter switch: 12 V and USB sock- et/test lead sockets available MZC-340-PV – USER MANUAL... -
Page 11: Calling The Network Interface
If you have a device with Windows 11, IOS, Android 12 or newer (sup- ports mDNS), enter: mzc-340-pv_MeterSerialNumber.local. In other cases, enter: 192.168.4.1. Additional information displayed by the meter The access point is being estab- lished Access point established Error occurred MZC-340-PV – USER MANUAL... -
Page 12: Working In A Foreign Wireless Network
If you have a device with Windows 11, IOS, Android 12 or newer (sup- ▼ ports mDNS), enter: mzc-340-pv_MeterSerialNumber.local. In other cases, enter the IP address that the network assigned to the meter (manually or via the QR code obtained in the Wi-Fi section). MZC-340-PV – USER MANUAL... - Page 13 After restarting, the meter will automatically connect to the last network saved in it. Additional information displayed by the meter The meter logs into a foreign net- work The meter is logged into a foreign network Error occurred MZC-340-PV – USER MANUAL...
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Page 14: Working With A Control Device Operating In Hotspot Mode
15 seconds by pressing the appro- priate button. cancel upcoming switch pressing the Cancel button. Additional information displayed by the meter The meter logs into a foreign net- work The meter is logged into a foreign network Error occurred MZC-340-PV – USER MANUAL... -
Page 15: Network Interface
ST/T sistance of the human body, while the terminal U is to be connected to the probe that ST/T simulates human feet located on the ground, whose properties and load are described by rel- evant standards. MZC-340-PV – USER MANUAL... -
Page 16: Help
Here you will find answers to key issues and information about the manufacturer. 3.3.6 Language selection In the upper right corner you will see an icon with the currently set interface language. Tap it to bring up the language change menu. MZC-340-PV – USER MANUAL... -
Page 17: Measurements
For instance, it is unacceptable to clip the crocodile connectors onto oxi- dized or corroded points – they have to be either cleaned beforehand, or the test nee- dle tip probe should be used for measurements. MZC-340-PV – USER MANUAL... -
Page 18: Conditions For Performing Tests And Obtaining Correct Results
A sound signal is produced when the measurement. measurement is started + beep Making the measurements is still pos- Discharged battery. sible, however, the user should take into account some additional errors. Displayed warnings stay on the screen for 3 seconds. MZC-340-PV – USER MANUAL... -
Page 19: Connections For Ac Voltage Measurements
4.1.2 Connections for AC voltage measurements Alternating voltage meas- urement. 4.1.3 Connections for Zs measurements 4.1.3.1 Measurement of touch voltage U and shock voltage U Measurement touch voltage U Measurement shock voltage U 1 – probe. MZC-340-PV – USER MANUAL... - Page 20 4.1.3.2 Measurement of short-circuit loop parameters – 4-pole method Measurement of impedance in working circuit (L-N). Measurement of impedance in protective circuit (L-PE). Measurement of impedance in working circuit (L-L). MZC-340-PV – USER MANUAL...
- Page 21 TN network, b) TT network. Impedance measurement in the working circuit (L1-L2) of an IT mains on the example of a photo- voltaic farm with an 800 V AC IT mains. MZC-340-PV – USER MANUAL...
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Page 22: Displaying The Measurement Results In Terms Of Impedance Or Short-Circuit Current
200 V…900 V – The voltage range for which the impedance measurement is performed Further in this document the term „impedance measurement” will refer to performing the measurement and displaying the result in terms of current or impedance. MZC-340-PV – USER MANUAL... -
Page 23: Ac Voltage
45 Hz is measured as direct voltage. If the frequency of the signal being measured is not included within the specified limits, instead of its value an appropriate message is displayed: f < 45 Hz or f > 65 Hz. MZC-340-PV – USER MANUAL... -
Page 24: Measurement Of Fault Loop Parameters - 4-Pole Method
Go to the Settings ► Measurement settings and set the rated network voltage ▼ and the type of voltage to be measured. Settings Select Impedance measurement. Connect test leads according to sec. 4.1.3. Unlock the measurement. ► Start the measurement. MZC-340-PV – USER MANUAL... - Page 25 The touch shock voltage U measured by the meter refers to the nominal network volt- age that was selected in the settings and at which the measurement was performed. For other rated voltages the result displayed should be converted. MZC-340-PV – USER MANUAL...
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Page 26: Memory Of The Meter
For a taken cell: an attempt to make an entry in an already taken cell re- sults in a warning message. Selecting the Overwrite command will result in entering a new measurement result and losing the previous one. To cancel the entry and select another, free cell, select Cancel. MZC-340-PV – USER MANUAL... -
Page 27: Memory Browsing
Delete bank – select this option and then select the bank number to delete the contents of this bank. Erasing memory – select this option to clear all meter memory. Delete Select Delete. If you change your mind, select Cancel. MZC-340-PV – USER MANUAL... -
Page 28: Data Transmission
Sonel Reports PLUS. The software may be used for many devices manufactured by SONEL S.A. which are equipped with a 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 manu- facturer or from an authorised distributor. -
Page 29: Data Transmission Through Wi-Fi
IP address of the meter is installed in the control device. In the network interface, go to Data section and then to Data transmission ► ▼ Wi-Fi transmission. Data Start the software to read/save data and proceed in accordance with its instructions. MZC-340-PV – USER MANUAL... -
Page 30: Software Update
In the network interface go to Settings ► Updates. ▼ Settings Select Update. Follow the displayed instructions. If necessary, you can restore the previous version of the software. To do this, select Re- store the previous software version in the menu. MZC-340-PV – USER MANUAL... -
Page 31: Troubleshooting
The message that appears may be caused by a momentary interference or an external factor. You should therefore switch the device off and then on to determine if this is the case. If the problem persists, the device should be sent to a service agent. MZC-340-PV – USER MANUAL... -
Page 32: Before You Send The Device For Repairs
The meter shows values close to zero or Fault in the short circuit loop. Send the device to a service agent. zero irrespective of the measurement place, and the values deviate considerably from the anticipated values. MZC-340-PV – USER MANUAL... -
Page 33: Power Supply
Miernik jest zasilany z akumulatora litowo-jonowego. The meter is powered by a 12 V power sup- ply. It can be also charged from the car 12 V accessory socket, using an optional converter. NOTE! Do not power the meter from sources other than those listed in this manual. MZC-340-PV – USER MANUAL... -
Page 34: Charging Rechargeable Battery
Indication of completed charging: (meter) and (network interface). Additional information displayed by the meter Charging in progress. Charging complete Temperature of the battery pack is too low ▼ or too high. Charging paused Other charging issues MZC-340-PV – USER MANUAL... -
Page 35: General Rules For Using Li-Ion Rechargeable Batteries
Any misuse of the battery may cause its permanent damage. This may result in its ignition. The seller and the manufacturer shall not be liable for any damages resulting from improper handling of the Li-Ion battery pack. MZC-340-PV – USER MANUAL... -
Page 36: Cleaning And Maintenance
Worn-out electronic equipment should be sent to a collection point in accordance with the regula- tions valid in a given region. Before the equipment is sent to a collection point, do not dismantle any elements. Observe local regulations concerning disposal of packages, waste batteries and re- chargeable batteries. MZC-340-PV – USER MANUAL... -
Page 37: Technical Data
= 400 V: 200 A…55.5 kA for U = 500 V: 250 A…69.4 kA for U = 690 V: 345 A…95.8 kA for U = 800 V: 400 A…111.1 kA for U MZC-340-PV – USER MANUAL... - Page 38 Maximum test current 230 V: 130 A (20 ms) 400 V: 220 A (20 ms) 500 V: 280 A (20 ms) 690 V: 190 A (20 ms) 800 V: 220 A (20 ms) MZC-340-PV – USER MANUAL...
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Page 39: Other Technical Data
..............................EN 61326-1, EN 61326-2-2 EN 55022 Compliance statement MZC-340-PV is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures (e.g. increasing the distance between affected products). -
Page 40: Additional Data
The manufacturer of the device and provider of guarantee and post-guarantee service: SONEL S.A. Wokulskiego 11 58-100 Świdnica Poland tel. +48 74 884 10 53 (Customer Service) e-mail: customerservice@sonel.com web page: www.sonel.com NOTE! Service repairs must be performed only by the manufacturer. MZC-340-PV – USER MANUAL... - Page 41 NOTES MZC-340-PV – USER MANUAL...
- Page 42 NOTES MZC-340-PV – USER MANUAL...
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