2. Test methods: low voltage pulse method, flash current method, multiple pulse method

3. Operation method: double operation, touch pen and touch mouse operation

4. Test distance: less than 60km Shortest test distance (blind zone): 0-5m

  Accurately determined point error: ± 0.2m Test error: systematic error is less than ± 1%

5. Multiple pulse generator: impulse voltage ≤40KV

6. Resolution: V / 50m; V is the transmission speed m / μs; software cursor is 0.10m.

  The sampling frequency of the instrument: 6.25MHz, 10MHz, 25MHz, 50MHz, 100MHz, (adaptive pulse width)

7. Power supply and power consumption: AC220V ± 10% is not greater than 15W DC12V (7AH) is not greater than 20W

8. Standby time: it can be used continuously for about 4 hours. Working conditions: temperature -20 ℃ ～ ﹢ 40 ℃,

    relative humidity 80%.

9. Technical indicators of path meter:

    The signal frequency: 15KHz sine wave.    The output power: Pomax≥100W

    Output impedance: Zo = Zc (cable characteristic resistivity). Oscillation mode: intermittent

10. Weight of the main machine: 9.8kg Ambient temperature: -10 ℃ ～ ＋ 40 ℃

   Dimension Dimension: 180mm × 300mm × 400mm Relative Humidity: RH≤85% (25 ℃)

Product testing scope:
1. It can test all kinds of faults of power cables with different voltage levels, different cross sections, different media and 

various materials, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover failure.

2. It can test all kinds of failures of railway communication control cables, street lamp cables, and airport signal cables.  

3. It can measure the speed of electric wave propagation in any cable whose length is known.

4. Can test the cable trend and the depth of burial.