Product Introduction

        NDEC-203 Transmission Line Fault Locator is used to measure the distance from the fault point to the measurement point (transformer) when a permanent ground (short circuit) or open circuit (open circuit) occurs in overhead transmission lines.

       It is suitable for overhead transmission lines of 10kV and above voltage levels. When a fault occurs, testing the faulty line at the substation can accurately determine the fault distance and identify the faulty tower, enabling repair crews to quickly locate the fault and reduce downtime.
       Line Fault Tester must be used when the line is powered off. It is compact, portable, features built-in battery support for both AC and DC, and includes graphical and digital display functions for easy operation.

Product Features

☆ High testing accuracy: The instrument uses high-speed data sampling technology with an A/D sampling rate of 25MHz, providing a resolution of 1m and a blind zone of 1m.
☆ High level of intelligence: Test results are automatically displayed as waveforms and data on a large LCD screen, making fault judgment intuitive. It features a full Chinese menu display, requiring no specialized training for operators.
☆ User-friendly interface: Equipped with a large 320×240 dot matrix Chinese character graphic interface, high brightness for clear and aesthetically pleasing graphics, simple operation, and strong anti-interference capability. It supports dual-trace display, allowing comparison between faulty and normal cable waveforms for further fault analysis.
☆ Waveform scaling function: Adjust the waveform scale to expand waveforms for precise testing.
☆ Simple operation: Move dual cursors freely to directly display the absolute or relative distance to the fault point.
☆ Adjustable wave velocity: Modify propagation speed as needed for different cables under test.
☆ Portable: Powered by lithium batteries, lightweight and easy to carry, suitable for field and mine cable testing.
☆ Sleek design: Made of durable and wear-resistant materials for better overall texture and longer service life.

Technical Parameters

☆ Ambient temperature       －10℃～40℃
☆ Measurement error       Coarse measurement error ±1%
☆ Testing distance       32km (up to 100km for open wire lines)
☆ Testing distance (blind zone)       1m
☆ Sampling rate       25MHz
☆ Power supply and power consumption    AC or built-in DC power supply
☆ AC 220V±10%     Power consumption ≤10W
☆ DC 6V/7AH   Power consumption ≤6W
☆ Built-in pulse width and amplitude    0.2μs, 100～120V
☆ 2μs, 150～160V
☆ Operating modes       Low-voltage pulse, DC high-voltage flash test, and impulse high-voltage flash test methods
☆ Display resolution    320×240 LCD with backlight
☆ Weight     6kg
☆ Dimensions     500×300×195mm3