Basis cable fault pre-locator with TDR low voltage pulse and high voltage flash-over sampling

XZH TEST Cable fault pre-locator with micro printer

The cable fault pre-locator is suitable for measuring the low resistance, short circuit, open circuit fault, high resistance leakage and high resistance flash over fault of power cables, high frequency coaxial cables, local telephone cables, street lamps and buried wires of various materials with different cross sections and different media.

Features

• SCM operating platform, push-button operation mode, micro-printer integrated design, can print test waveform and related content at any time;
• System functions: fault distance measurement, fault location, propagation speed test, fault resistance value, cable path search, buried depth detection, etc.
• Test methods: low voltage pulse, flash over method, audio method, acoustic magnetic synchronization method, valley value method, peak method, electromagnetic induction method, etc.
• Display control: Flash tester: 5.7 inch industrial LCD, built-in 24V/7Ah DC power supply, can work continuously for 6 hours; Others for pointer table display;
• Test range: test distance: 60km, detection depth: 2-5m;
• Measurement accuracy: rough measurement error: ±10m (absolute value) or 1% (relative value), fine measurement error: ±0.2m (fixed point, path, depth);
• Sampling frequency: 100MHz, minimum resolution 0.5m (100m/us)
• Sampling mode: automatic continuous sampling, never miss any discharge waveform
• Low voltage pulse: Width: 0.1uS and 2uS amplitude: 100Vpp
• Output power: path power: 100W, impulse power: 0 ~ 400W
• Impact high voltage: 0 ~ 35kV
• Short circuit current: 0 ~ 200mA

Instrument panel and layout

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① Display: all operations of the instrument are displayed through the display;

② Printer: can randomly print the display content and test report;

③ Keyboard: 12 function keys to complete the basic operation of the instrument;

④ Amplitude adjustment: adjust the amplitude of the test waveform on the display;

⑤ Vertical displacement: adjust the up and down position of the test waveform on the display;

⑥ Communication: to achieve the local data output, complete the communication to the PC;

⑦ Q9 sampling port: fault test through it to output and collect fault waveform;

⑧ Instrument safety grounding terminal;

⑨ Charging power supply: Press the switch to the "I" position and plug in the 220 AC system for 220V AC power supply. Switch to "II" to use internal battery power.

Switch in the "II" position, plug in 220V AC, you can charge the battery, charging process, the instrument screen light. Press the switch button to the "O" bit to shut down;

Onsite pictures: