The BOKZ transformer no-load characteristic tester is specially developed and researched by our company for testing the no-load, load, induction and other tests of power transformers. It is an ideal replacement equipment for traditional pointer instruments

It comes with a high-performance rechargeable battery and can work without an external power source. It can measure 100 units continuously after one charge; At the same time, the internal digital synthesis of three-phase standard sine wave signals (not simply inverted AC output, ensuring the accuracy of test data for various test items under non rated conditions) can provide a three-phase precision AC test source through a power amplifier; When measuring the capacity and short-circuit loss of transformers, there is no need for external three-phase testing power supply, voltage regulator, current boosting and other auxiliary equipment, simplifying wiring and greatly improving work efficiency The accuracy of the capacity test results is 100%

It is equivalent to two devices: an active transformer capacity tester and a transformer loss parameter tester It can accurately measure a series of power frequency parameters such as capacity, no-load current, no-load loss, short-circuit loss, impedance voltage, etc. of various transformers

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1. Can accurately measure the capacity of various distribution transformers, passive measurement, convenient and accurate

2. Internally equipped power supply, automatically generating three-phase high-power test power supply

3. It can measure the no-load current, no-load loss, short-circuit voltage, and short-circuit loss of various types of transformers

4. It can automatically perform waveform distortion correction, temperature correction, voltage correction (no-load test under non rated voltage), and current correction (short-circuit test under non rated current conditions). Operators only need to input the correction index instrument according to the transformer type to automatically calculate the corrected results, which is very suitable for units that do not have slightly larger capacity transformer short-circuit test conditions

5. Voltage circuit width limit: The maximum voltage that can be measured is 750V, and accuracy can be ensured without switching gears The instrument itself will not be damaged due to incorrect voltage gear selection

6. The battery remaining percentage indicator function is not just a simple power loss alarm

7. Large screen, high brightness LCD display, full Chinese character menu and operation prompts for friendly human-machine dialogue, touch buttons for easier operation, wide temperature LCD with brightness adjustment, suitable for winter and summer seasons

8. Users can print out the results of the test data at any time through a micro printer

9. The test result storage function can store 200 sets of capacity test data

1. Input characteristics

Active part:

Voltage measurement range: 0~10V

Current measurement range: 0~10A

Passive part:

Voltage measurement range: 0~750V width limit

Current measurement range: 0~100A, all internal ranges automatically switch

2. Accuracy

Voltage: ± 0.2%

Current: ± 0.5%

Power: ± 0.5% (Cos Φ>0.1), ± 1.0% (0.02<Cos Φ<0.1)

3. Working temperature: -10 ℃~+40 ℃

4. Charging power supply: AC 160V~260V

5. Insulation: ⑴ The insulation resistance between the voltage and current input terminals and the casing is ≥ 100M Ω. ⑵ The working power input terminal and the casing are subjected to a power frequency of 2kV (effective value) for 1 minute during the experiment

6. Host volume: 32cm × 24cm × 13cm

7. Weight: 3Kg