We have both a national and international operating network, and our ttr turns ratio tester, Transformer Routine Test, astm d445 Kinematic Viscometer is well received by both domestic and international customers. Our company has always pursued the corporate tenet of 'honesty, truth-seeking, dedicated service, and only seeking satisfaction', and we will do our best to follow customer needs and continuously carry out product innovation and service improvement. We make unremitting efforts to shape our image and improve the quality of service, we advocate brand service. The company adopts international advanced management methods and has established a complete quality assurance system. It has advanced product testing equipment, inspection instruments and processing equipment, an excellent product development environment and product production line, and strong productivity.

HZTTR80A Transformer Turn Ratio Tester

Panel Description

1. Grounding Terminal: Before conducting any tests, please safely ground the grounding terminal to avoid the risk of electric shock.

2. Power Socket and Switch: The power input port for the entire device, used to connect or disconnect the test power supply.

3. High-voltage side connection terminals: There are three-color (yellow, green, red, and black, with the black one being counted as part of the color indication context here for understanding the connection mapping, though technically it's a single additional color column beyond the three primary phase colors) binding posts, corresponding to connection with the A, B, C, N phases of the high-voltage side of the transformer being measured.

4. Low-voltage side connection terminals: There are three-color (yellow, green, red, and black, similarly, the black one is included in the context for connection mapping explanation) binding posts, corresponding to connection with the a, b, c, n phases of the low-voltage side of the transformer being measured.

5. High-Voltage Side Terminals: Yellow, green, and red terminals for connecting to the A, B, and C phases of the high-voltage side of the transformer under test.

6. Low-Voltage Side Terminals: Yellow, green, and red terminals for connecting to the a, b, and c phases of the low-voltage side of the transformer under test.

7. RS232 Communication Interface: Interface for computer communication.

8. Printer: Prints test results.

9. USB: Connects to a USB flash drive for data export.

10. Display Screen: 7-inch high-definition color touchscreen LCD with adjustable backlight for displaying the operation menu and test results.

Technical Index

Test Range: Transformation Ratio -- 0.9 to 10000, Current -- 0 to 2000mA, Angle -- 0 to 360°

Ratio Accuracy:
5V Range: ±(0.1% + 2 digits) (0.9-50), ±(0.2% + 2 digits) (51-200), ±(0.5% + 2 digits) (201-600)
80V Range: ±(0.1% + 2 digits) (0.9-500), ±(0.2% + 2 digits) (501-2000), ±(0.5% + 2 digits) (2001-10000)
Current Accuracy: ±(1% of reading + 0.5 mA)
Angle Accuracy: ±0.2°
Output Voltage: Selectable 5V or 80V
Resolution: Ratio -- Minimum 0.0001, Current -- 0.001mA, Angle -- 0.01°
Test Voltage: AC 5V @ 1A, AC 80V @ 80mA
Operating Power Supply: The maximum power is 50W

Troubleshooting and Maintenance

If any abnormalities occur during the use of the tester, please follow the steps below for troubleshooting:

1. If the measurement data is abnormal, please check if the wiring is correct. If it is still abnormal, you can perform a self-test using the following method. The wiring is shown in the figure below:After connecting the wires, select any three-phase connection method for testing. If the measured value is approximately 1.0000, the instrument is functioning normally; otherwise, there is an issue with the instrument. If no shorting wire is available, you can also short-circuit the high-voltage side yellow, green, and red wire clamps to the corresponding low-voltage side yellow, green, and red wire clamps.

2. If the tester does not respond when turned on and the display screen is not lit, please check if the power fuse inside the panel is blown.

3. If it is confirmed to be an internal fault of the tester, please contact our company immediately, and we will resolve it as soon as possible.

Packing list

The company has a good heritage, strives to innovate, and fully considers the market needs of Transformer Turn Ratio Tester Hybc-901 with Favorable Price thoughout its many years of business. We hope to seek common development and create brilliance with you. We have determined the general goal of the company's future development of science and technology and believe that the realization process of the company's scientific and technological development goal is actually the process of strengthening and optimizing the enterprise.

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