Pumping Unit Power Saving Comprehensive Tester (7-inch Color Screen)Darui Electric recommends for youBasic Test Items and Range1. 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. Draw 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
14. 1st to 50th harmonic analysis of voltage and current
15. Automatically calculate reactive power local compensation amount
16. Draw vector diagram, display phase values and phase differences
17. Two display methods for harmonic measurement (data and waveform)
Accuracy
Current, 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 power frequency lines or electrical equipment and various motor operating parameters
● Dual CPU high-speed sampling calculation, uninterrupted accurate recording of measurement data, full range automatic conversion
● 7-inch color screen, 320*240 black and white display optional, graphic and Chinese prompt display, various electrical parameters and waveform display
● New thermal sensitive fast Chinese printer, Chinese prompts and printing of various operating curves
● Draw three-phase vector diagram, display phase relationship of current and voltage
● Large capacity lithium battery pack. With battery level detection function, no external power supply needed for testing
● U disk records test curve data, can store up to 10000 sets of test data
● Analyze 1st to 50th harmonics, display harmonic spectrum
● Automatically calculate stroke cycle of pumping unit
● Automatically calculate balance rate of pumping unit based on current method
● Automatically calculate balance rate of pumping unit based on power method
● Collect active power, phase voltage, and current change data during pumping unit stroke cycle, draw curves, and calculate various parameters of up and down strokes
Combined with U disk, instantaneous data and waveforms of various electrical equipment can be fully recorded and stored, data analyzed, and curves of voltage, current, power (able to distinguish positive and negative power) changes during operation of various electrical equipment can be drawn and printed.
The instrument can automatically collect active power, phase voltage, and current change data during pumping unit stroke cycle, draw curves; calculate stroke cycle of pumping unit, automatically calculate the maximum up-stroke current and maximum down-stroke current during stroke cycle, calculate balance rate based on current method; automatically calculate the sum of up-stroke active power and down-stroke active power during stroke cycle, then calculate balance rate based on the ratio of up-stroke to down-stroke active power sum.
This instrument is equipped with a large capacity lithium polymer battery pack, no external power supply needed for on-site testing; 7-inch TFT color screen or 320*240 dot matrix large screen, can display various data curves; the instrument has high measurement accuracy, easy operation, complete functions, and multiple uses in one. It is truly an ideal intelligent online non-stop detection instrument for oilfield pumping units and various working equipment.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
