Descrizione
Overviews
KVBB-II Transformer Turn Ratio Tester is used to check turn ratio of transformer, tap switch situation, whether transformer interturn is short circuit and transformer can run in parallel or not . The tester adopts three-phase precision inverter power. It is fast measurement and Easy Operation .
Features
- Wide measurement range, the ratio measurement can be up to 10000;
- 7 inch colorful large LCD screen can be displayed clearly in the sunlight .
- With high and low voltage reverse connection protection and short circuit protection,tap-changer protection,output short circuit protection
- Built-in three-phase digital power supply, it can improve the stability of measurementand eliminate the harmonic effect of main voltage.
- Fast measurement speed can be completed three phase test in 10 seconds.
- Applicable to various of transformers, such as rectifier transformer ,Z type transformer grounding transformer,electric furnace transformer, phase-shifting transformer, balanced transformer,Scott transformer,Inverse Scott transformer.
- Automatically measure transformer turns ratio, errorvalue and tap-changer points, especially for asymmetric tap-changer points, also can accurately test the position of the transformer tap-changer, can measure up to 99 points of tap-changer
- With data storage function
- Thermal printer with fast speed and low noise .
Technical parameter
| Range: | Turn Ratio | 0.9～10000 |
| Angle | 0-360° | |
| Turn Ration Accuracy | Accuracy: ±0.1%+2wrods (0.9~500)
±0.2%+2words (501-2000) ±0.5%+2words (2001-10000) |
|
| Angle Accuracy | ±0.2° | |
| Output Voltage | Automatically adjust output value according to the load | |
| Resolution | Turn Ratio:Min 0.0001 | 0.01° |
| Environment Temperature | -10℃～50℃ | |
| Humidity | ≤85%RH | |
| Working Power Supply | AC220V±10% | |
| Power Supply Frequency | 50Hz±1Hz | |
| Printer | Thermal Printer | |
| Dimension | Control Unit : 363mm×290mm×175mm
Cable box: 365*285*175mm |
|
| Weight | Control Unit: 5.2KG
Cable Box:5.7KG |
|
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