1.The main technical parameter

1) SCM operation, button operation mode, micro printer integrated design, can be printed the test waveform and related content at any time;

2) System function: measure the distance of fault, fault location, transmission speed test, fault resistance and cable route search and buried depth detection;

3) Test methods: low voltage pulse, flashover method, audio frequency method, acoustic magnetic synchronous method, the valley value method, the peak method, the electromagnetic induction method and so on;

4) Display control: HZ-501B: 5.7”industrial grade LCD, built-in 24V/7Ah DC power supply, can work continuously for 6 hours;

5) Test range: test distance: 60km, detection depth: 6-7m;

6) Measurement accuracy: Pre-location accuracy: + 10m (absolute value) or 1% (relative value), precision measurement accuracy: + 0.2m (pin-pointing, path, depth);

(7) Sampling frequency: 100MHz, minimum resolution 0.5m (100m/us)

8) Sampling methods: automatic continuous sampling, never miss any discharge waveform

9) Low voltage pulse: width: 0.1uS and 2uS amplitude: 100Vpp

10) Output power: path power: 100W, impact power: 0 ~ 400W

11) Surge high voltage: 0 ~ 35kV

12) Short circuit current: 0 ~ 320mA

13) Surge energy: 0 ~ 1225J

 2.Cable Fault Flash Tester(Cable fault pre-locator)

Measure the power cable of different sections, different media of various materials, can detects the low resistance faults, short, open faults, high resistance leakage and high resistance flashover faults of underground power cables, high frequency Coaxial cable, Street light cables.

3、Main technical parameters

1) Industrial grade 5.7 ”LCD display---Angle view>160,Working conditions: temperature: -10 ℃ ~ +45 ℃

2) 2,SCM centralized control, push button operation mode, with strong anti -interference ability;.

3) 3. With distance, speed and resistance measurement function.

4) 4. With Micro-printer can print out the wave form and measuring results

5) 5. Automatic continuous sampling and never lose any discharge waveform.

6) 6. Testing method: flashover sampling, low-impulse method.

7) 7. Pulse amplitude: about 100VP-P.

8) 8. Impulse Width:0.1/2us

9) 9. Measure distance: Smax:60km……Smin:15m.

10) 10. Pre-locating accuracy: ±1%;

        DL/T849.1-2004 provides no more than + (1%L+20) m ,of which: L for the length of the cable

11).Built-in DC power 24V/7Ah, can continuous working 6 hours.

also with an external AC 220V±10% power supply