Transformer ratio ratio tester

Product introduction:

The use of variable-ratio bridges to measure the ratio of transformers, the cumbersome operation process, and the narrow measurement range are no longer compatible with the fast-paced, high-efficiency requirements of modern measurements. For this reason, our company adopted modern electronic technology and developed a new generation of transformer ratio ratio tester. Its small size, light weight, high precision and good stability. It uses a large screen Chinese character display, menu operation, friendly interface. Change ratio group can be measured once. The instrument is an ideal test instrument for the power industry.

Product Features:

â—† Automatic measurement of wiring group.

â—† Automatic group conversion.

â—† Automatically switch the phase sequence.

â—† Automatically switch the range.

â—† Automatic calibration.

â—† After inputting the standard ratio, the relative error can be automatically calculated.

â—† Once a measurement is completed, the test voltage is automatically cut off.

â—† Set data, the measurement results are automatically saved, you can view the previous data.

â—† Measure on-load transformer, only input one time turn ratio.

Product parameters:

◆ Ratio measurement range: 1—10000

â—† Group: 1-12

â—† Accuracy: 1-1000 0.2 Level 1000-10000 0.5 Level

◆ Power: AC220V ±10%, 50HZ

◆ Ambient temperature: -5°C - 40°C

â—† Use environment humidity: <85

◆ Volume: 430×320×215mm3

â—† Weight: 8Kg

Use caution

1. When measuring, people do not touch the test sample.

2. If the test line is short-circuited and the high and low voltages are reversed, the fuse will be blown. After the fuse is blown, if the measurement is made, then the message "Measurement is in progress. Please wait!" After stopping, please switch off, replace the same volume of insurance, and retest.

3, to maintain good contact between the connection, the instrument should be well grounded!

4. The workplace of the instrument should be kept away from strong electric fields, strong magnetic fields, and high-frequency equipment. The power supply interference is as small as possible, and the lighting line should be selected. If the power supply interference is still large, the AC purification power supply can be used to supply power to the instrument. The capacity of the AC purification power supply is greater than 200 VA.

5. When the instrument is working, if there is LCD display disorder, press all the buttons are not responding, or the measurement value is far from the actual value, press the reset button, or turn off the power, and then operate again.

6. If the display has no character display, or the color is very light, please adjust the brightness potentiometer to a suitable position.

7, the instrument should be stored in a dry and ventilated place.

The purpose of the ratio test

1. Check that the transformation ratio matches the nameplate value to ensure that the required voltage transformation is achieved.

2. Check if the voltage tap switch indicates the correct position.

3. Check the turns ratio of each coil to determine whether there is a short circuit in the transformer.

4. Measure the unbalance of transformer ratio of three-phase transformer itself.

5, to provide the accuracy of transformer ratio, to determine whether the transformer can run in parallel.

6, transformer ratio test