| System function |
|
1.Use DC or high-voltage pulse to make the cable fault point flash over and discharge
2.Use the traveling wave reflection principle to make a rough measurement of all types of cable main insulation faults
3.Use the acoustic-magnetic synchronization method to make a precise measurement of all types of cable main insulation fault
|
| I,High voltage surge generator XHHV535-4T |
| Output mode |
DC, Single, Cycle |
| Output voltage |
0-8kV/0-16kV/0-32kV, three voltage switchable |
| Built-in capacitor |
64μF/16μF/4μF |
| Discharge energy |
2048J |
| Impact power |
2000VA |
| Impulse rate |
Automatic impact for about 6 seconds, manual impact for any control time |
| Surge voltage levels switch |
Manual |
| Voltage adjustment type |
Continuous |
| Indication |
High-voltage side voltage metering, indication of output voltage and current in real time |
| Operating modes switch |
Manual |
| Continuous output current |
60mA |
| Safe protection |
With zero start protection function, safe and reliable |
| Discharge |
Unique high-voltage measurement design, in the stop state, it will automatically discharge the internal capacitance of the device |
| Working power |
AC 220V±15% ,50Hz±2Hz |
| DC withstand voltage testing |
Output voltage adjustable and indication range 0-35Kv, output current indication range 0-20A |
| Burn current |
Fault conditioning (burning) with current up to
60 mA @ 32 kV
|
| Safety |
Over-voltage, Over-current, Overheating protection.
Automatic discharge after operation
|
| Protection rating |
Not lower than IP54 |
| Dimensions(mm) |
534L×444W×805H mm |
| Total weight |
Not more than 120kg |
| II,TDR cable fault locator XHGG502A |
| Test method |
Low voltage pulse, Impulse current, Impulse voltage, ARC multipls pulse |
| Sampling rate |
1MHz～400MHz |
| Pulse output |
Unipolar |
| Pulse Amplitude |
300V |
| Pulse width |
0.15μS/0.30μS /0.60μS/1.20μS/2.4μS/5.0μS/7.5μS/10μS |
| Measurement scope |
≥120km |
| Measurement range |
100m/300m/500m/1km/3km/5km/10km/25km/50km/100km |
| Minimum resolution |
0.07m |
| Measurement error |
≤±(0.5％×L+1m),L is cable length |
| Signal gain |
0…100%,adjustable |
| Propagation speed |
10…999.9m/µs |
| Output Impedance |
Automatic match |
| Trigger |
Automatic continute
|
| Working conditions |
temperature -25℃～+65℃, relative humidity 85%, atmospheric pressure 750±30mmHg |
| III,Cable fault pinpointer XHDD503C |
| Fixed-point mode |
Standard mode, enhanced mode, noise reduction mode, custom mode (ms, waveform) |
| Fixed point method |
Intelligent time difference method, electromagnetic inspection method, acoustic measurement method |
| Positioning accuracy |
Fixed point: 0.1m, Path: 0.1m |
| Display |
TFT ultra-bright 5-inch, 800×480 true color |
| language |
Graphical language is more intuitive |
| Gain |
120dB, fully automatic adjustment, also can be adjusted manually |
| Frequency range |
100～1600Hz |
| Dynamic Range |
0～112dB(16 gears) |
| Synchronous trigger |
Acoustic fully automatic synchronous trigger; magnetic field fully automatic synchronous trigger |
| Detection range |
0.00～99.99ms,75mV～75V |
| Probe |
Automatic mute, fully digital metal intelligent probe |
| Headphone |
600Ω military-grade strong noise reduction and anti-interference technology |
| Working power |
4*18650 Standard lithium battery |
| Working hours |
More than 8 hours |
| Ambient temperature |
-25～65℃; relative humidity: ≤90% |
| Weight |
Host 0.6kg; Sensor 1.4kg |
| Waterproof grade |
IP65 |
| IV,Cable path comprehensive tester |
| Transmitter |
|
| Output frequency |
Low frequency(815Hz), intermediate frequency(8kHz), high frequency(33kHz), radio frequency(83kHz) |
| Output power |
10W,Four output levels: low, medium, high, full |
| Output voltage |
150Vpp |
| Output mode |
Direct connection method, coupling method, induction method |
| Display |
Output mode, frequency, output power, loop resistance, loop current, battery remaining capacity, dangerous voltage alarm, etc. |
| Coupling clamp |
Coupling inner diameter Φ150mm |
| Receiver |
|
| Working mode |
Tracing, identification, Step voltage |
| Receiving frequency |
Low frequency(815Hz), intermediate frequency(8kHz), high frequency(33kHz), radio frequency(83kHz) |
| Display |
Depth, current, frequency, mode, gain, signal strength, date, time, etc. |
| Detection depth |
≥10m |
| V Test cables |
| (Note: Due to the existence of 35kV high voltage, special high voltage cables are made and should be kept away from the site during operation.) |
| High voltage output cable |
core wire 2.5mm2 red, withstand voltage 50kV DC, with shielding layer, outer diameter 14mm, length 10 meters, including installation of large spool. |
| Ground cable |
grounding 3-column - main core 16mm2 transparent color, branch 2.5mm2, length 10 meters. Including installation of small spool. |
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