Basic Test Items and Range
1. AC voltage 50～750V (range can be expanded with PT)
2. AC current 0.5～600A (range can be expanded with CT)
3. Apparent power
4. Active power
5. Reactive power
6. Power factor 0～1.0
7. Active energy 0～99999.9kW·h
8. Reactive energy 0～99999.9kVAR·h
9. Grid frequency 10～80Hz
10. Plot current, voltage, active power, power factor curves
11. Calculate 9 parameters for motor economic operation
12. Calculate 7 parameters for motor working characteristics
13. Automatically calculate pumping unit balance rate and up/down stroke parameters (for pumping unit only)
14. 1～50th harmonic analysis of voltage and current
15. Two display methods for harmonic measurement (data and waveform)
16. Automatically calculate reactive power local compensation amount
17. Draw vector diagram, display phase values and phase differences
Measurement Accuracy
Current and voltage: 0.5 class; Power: 1.0 class;
Power factor absolute error <0.008;
Frequency error <0.1Hz.
Product Introduction
● Measure all conventional electrical parameters of electrical equipment and various parameters of motor operation
● Dual CPU high-speed sampling and calculation, uninterrupted accurate recording of measurement data, full range automatic conversion
● 24-hour uninterrupted monitoring, timed printing of various measurement parameters
● 320��240 dot matrix LED LCD display, graphic and Chinese prompt display
● Draw three-phase vector diagram, display phase relationship of current and voltage
● Large capacity lithium battery pack, no external power supply needed for testing
● U disk records test curve data, can store up to 10000 sets of test data
● Full-process dynamic measurement and energy-saving analysis for various electrical equipment
● The tester draws waveform diagrams of voltage and current for each phase
● Analyze 0 to 50th harmonics
● Automatic calculation of reactive power compensation, providing correct compensation amount
● Operating electrical parameters of 10～80Hz variable frequency equipment
Using the three-phase vector diagram function, it is convenient for users to judge whether the line wiring is correct and whether the line working status is normal, with wrong wiring identification function.
Combined with U disk, it can fully record and store instantaneous data and waveforms of various electrical equipment, analyze the data, draw and print the change curves of voltage, current, power (can distinguish positive and negative power) and other data during the operation of various electrical equipment. It provides correct scientific basis for reasonable adjustment of oilfield pumping unit balance blocks, fan efficiency, coal mine electrical equipment, enterprise power balance, railway, refrigeration, electric power, chemical industry, machinery and other industries in production manufacturing and energy-saving management.
The tester is equipped with a large capacity lithium polymer battery pack, no external power supply needed for on-site testing; 7-inch TFT color screen displays various data curves; the instrument has high measurement accuracy, simple operation, complete functions, and multi-purpose use. It is truly an ideal intelligent power balance testing tool.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
