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2018.07.17 13:29

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\u0026nbsp; \u0026nbsp; \u0026nbsp; ML860A+ is the latest upgrade product of ML860A. It has synchronous power frequency power parameter measurement function. It can continuously on-site power, and does not disconnect the line to check all kinds of active and reactive power meters, and automatically determine wrong wiring of the meter. After adapting a variety of current clamps from 5A to 2000A, the integrated error, current transformer ratio, and power quality (harmonic) of the energy metering cabinet can be measured.

\u0026nbsp; \u0026nbsp; \u0026nbsp; The ML860A+ is a high-accuracy test instrument that combines power meter verification, electrical parameter testing, and power quality issues such as waveform distortion, voltage fluctuations and flicker, and three-phase unbalance in power networks.

Product Usage

1. Electrical parameter measurement (U/I/\u0026Phi;/P/Q/S/PF/Hz);

2. Sensitive and capacitive circuit load characteristics;

3. Detect power consumption/power test of power consumption equipment;

4. Single and three-phase energy error check;

5. Comprehensive measurement of low pressure metering devices;

6. Load curve recording and online monitoring of load fluctuations;

7. Can be equipped with a large current clamp meter for power line loss management data acquisition;

8. Electricity quality measurement of the grid;

9. Household wiring inspection, anti-electricity inspection.

main feature

1. 7-inch (800 * 480) TFT color LCD display, graphical user interface, touch screen operation can also be key operation, the interface display is clear and intuitive;

2. Meter verification: Ability to verify single/triphase active/reactive electronic energy meters, standard energy meters, mechanical energy meters, electromechanical energy meters, pre-paid energy meters, and multi-function energy meters. 4 quadrant measurement;

3. Main and auxiliary power meter check: It can check the active and reactive power meter of the same line at the same time;

4. Measurement of a variety of wiring methods: AC voltage, current, power (active power, reactive power, apparent power) can be measured in single-phase, three-phase Y/\u0026Delta; and other wiring modes;

5. Multi-parameter measurement: Measure AC voltage, current, power, energy, frequency, phase, power factor, also can measure asymmetry of amplitude and asymmetry of voltage and current, phase distortion, waveform distortion, energy pulse to be checked. constant;

6. Graphic display: display three-phase voltage, current waveform diagram, voltage, current phase vector, harmonic component histogram;

7. Harmonic analysis: The harmonic content, harmonic amplitude, and histogram display can be measured under 31 times of voltage/current;

8. Realize the real load measurement of low-voltage electric energy measurement device's integrated error, as well as various parameters such as the ratio of low-voltage CT and angle difference;

9. Automatically determine the wrong wiring of the P3/P4 energy meter, indicate the wrong wiring position, display the secondary wiring diagram and power expression, and automatically calculate the correction factor;

10. The wiring simulation function can be used as a tool for training inspection lines to improve the line inspection skills of field workers. When the instrument is not connected to voltage and current signals, the corresponding wiring results can be obtained based on the field data.

11. Error curve record: display the error curve diagram;

12. Demand measurement: Interval and slip demand measurements;

13. Power stability measurement: three power stability algorithms;

14. Load curve recording and load fluctuation monitoring function: It can measure and analyze the fluctuation of power supply quality caused by various electrical equipment under different operating conditions to the public power grid, dynamically monitor the power equipment adjustment and operation process, and record voltage and current. Active power, reactive power, apparent power, frequency, phase, etc. Graphs and measurement data;

15. Accumulation of electrical energy and word test function;

16. PT/CT settings, the secondary data can be converted once data;

17. Voltage and current imbalance calculations;

18. Vector calculator, on-site calculation of voltage and current vector sums;

19. Built-in standard Chinese character library, using pinyin Chinese character input method to input Chinese characters, letters, numbers, etc.;

20. Built-in large-capacity memory, can store 5000 sets of measurement data;

21. The instrument is equipped with a USB interface, and the measurement data is exported through the U disk. The data is managed, stored, and printed out on the computer.

22. The instrument is equipped with RS232 interface, which can be connected to the computer to realize real-time data transmission.

23. The instrument is equipped with a 485 interface and reads the energy data of the multi-function energy meter (GB 645 protocol).

Technical indicators

Voltage measurement

\u0026nbsp; \u0026nbsp; Measurement range 30V-500V\u0026nbsp;\u0026nbsp; \u0026nbsp;\u0026nbsp;\u0026nbsp; Resolution 0.001V \u0026nbsp; \u0026nbsp; \u0026nbsp;Accuracy 0.05% or 0.1%

2. Current measurement

\u0026nbsp; \u0026nbsp; Terminal Measurement 0.05~10A\u0026nbsp; \u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp; Resolution 0.0001A\u0026nbsp;\u0026nbsp; \u0026nbsp; Accuracy 0.05% or 0.1%

\u0026nbsp; \u0026nbsp; 5A Clamp Meter Measurement (Overload 5% In-200%In) \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Accuracy 0.2%

\u0026nbsp; \u0026nbsp;Optional 50A/100A/500A/1000A current clamp \u0026nbsp; \u0026nbsp;Accuracy 0.2%\u0026nbsp; or 0.5%

3. Active power/energy measurement

\u0026nbsp; Direct measurement: Voltage 30V to 500V\u0026nbsp; Current 0.05A to 10A \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Accuracy 0.05% or 0.1%

\u0026nbsp; \u0026nbsp; Clamp meter measurement: Voltage 30V to 500V\u0026nbsp; Current 5% In to 200% In\u0026nbsp;\u0026nbsp; Accuracy 0.2%\u0026nbsp; or 0.5%

4. Reactive power/energy measurement

\u0026nbsp; Direct measurement: Voltage 30V to 500V\u0026nbsp; Current 0.05A to 10A \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Accuracy 0.05% or 0.1%

\u0026nbsp; \u0026nbsp; Clamp meter measurement: Voltage 30V to 500V\u0026nbsp; Current 5% In to 200% In\u0026nbsp;\u0026nbsp; Accuracy 0.2%\u0026nbsp; or 0.5%

5. Phase measurement

\u0026nbsp; \u0026nbsp; Measurement range: 0\u0026deg;~359.99\u0026deg;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp; Resolution 0.01\u0026deg; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Accuracy 0.5\u0026deg ;

6. Frequency measurement

\u0026nbsp; \u0026nbsp; Measurement range: 45Hz to 65Hz\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp; Resolution: 0.001Hz \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Accuracy: 0.02Hz

7. Power Factor Measurement

\u0026nbsp; \u0026nbsp; Measurement range: -1.0 ~ 0 ~ +1.0\u0026nbsp;\u0026nbsp;

8. Energy pulse

\u0026nbsp; \u0026nbsp; Energy pulse output 5A\u0026nbsp; FH=18000000 r/kwh\u0026nbsp;\u0026nbsp; \u0026nbsp;FL=18000 r/kwh

\u0026nbsp; \u0026nbsp; Energy pulse input 1~9999999 r/kwh

9. Use environment

\u0026nbsp; \u0026nbsp; Operating temperature -15°C-45°C\u0026nbsp;\u0026nbsp;\u0026nbsp; Operating Humidity \u0026le;\u0026plusmn;85%RH\u0026nbsp;\u0026nbsp; \u0026nbsp;Corrosive gases

10. Power supply

\u0026nbsp; \u0026nbsp; PT borrows AC50V -480V \u0026nbsp; \u0026nbsp; \u0026nbsp;Power \u0026le;7.5VA\u0026nbsp;

\u0026nbsp; \u0026nbsp; Power Adapter Power Supply \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;Mains AC220V/DC12V\u0026nbsp;\u0026nbsp;\u0026nbsp;

\u0026nbsp; \u0026nbsp; Lithium battery powered 7800mAh\u0026nbsp;\u0026nbsp; \u0026nbsp;\u0026nbsp;working hours\u0026gt;8 hours

11. Dimensions: 275\u0026times;200\u0026times;72mm\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp; \u0026nbsp; Weight: 1.5kg

Configuration details

1.\u0026nbsp;Standard configuration details:

1) Host \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;1

2) 5A clamp current transformers \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;3

3) U disk (4G) \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;1

4) Voltage/current test line \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1 set

5) Multi-function photoelectric sampler \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 2 sets

6) Pulse input and output lines \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 2

7) 485 data lines \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1

8) RS232 data cable \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1

9) Power Adapter \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;1

10) User Guide \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;1

11) Factory Inspection Report \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1

12) Factory certificate/warranty card \u0026nbsp; \u0026nbsp; \u0026nbsp;1 copy

13) Safety Waterproof Case \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1

14) Special Toolkit \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1

2.\u0026nbsp;Selection details:

1) 100A Clamp Current Transformer\u0026nbsp;\u0026nbsp;

2) 500A Clamp Current Transformer\u0026nbsp;\u0026nbsp;

3) 1000A clamp type current transformer

4) 2000A clamp current transformer

5) VMP02 Micro Printer\u0026nbsp;\u0026nbsp;\u0026nbsp; \u0026nbsp;

6) Backup lithium battery\u0026nbsp; \u0026nbsp;

\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;

\u0026nbsp; \u0026nbsp; \u0026nbsp; Remarks: The selection of the current clamp, each set of host can be configured up to 4 sets (including a set of standard), each current clamp between the rated current is 4 times difference is appropriate!

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