Customization: | Available |
---|---|
Connectors: | USB |
Test Mode: | Point Test |
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GD-4138H Moveable Cable Fault Locating System Underground Cable Fault Finder
Description:
GD-4138H Cable Fault Locating System Is Movable Cable Fault Detection Device Which Is Applicable For Various Types Of Power Cable, Communication Cables. It Can Accurately Measure The Distance Of Cable Fault And Locate The Fault Point.
This moveable cable fault test system is a comprehensive cable fault location device that integrates ranging, tracing, locating and impulse high voltage generators for transportation and field testing. It can test the high-impedance flashover fault of the cable, the high-low resistance grounding, short-circuit and cable breakage, poor contact, etc. If equipped with the sound measuring legal point meter, the exact position of the fault point can be accurately determined. It is used for ranging, tracing, depth detection and fault location of various buried cables, overhead cables, power cables, local telephone cables, communication cables and optical cables. The multi-pulse cable fault tester represents the highest level in the field of cable fault testing in China. Its technology has reached the international leading level and is in an absolute leading position in China. It has surpassed many other types of cable fault test equipment.
The System Includes:
· GD-4133 Multi-frequency Cable Fault Tester.
· GD-4132 Power Cable Fault Locator.
· GD-4133S Cable Test Multiple Pulse Coupling Device
· GD-2131H Integrated DC High Voltage Power Supply
GD-4138 mobile cable fault test system, which can measure cable fault distance, detect test cable path and fault location.
Type of cable fault that can be detected
a. High resistance flashover
b. High resistance leakage
c. High/low resistance grounding
d. short circuit
e. Open the way
f. Poor contact
I. GD-4133 Multi-frequency Cable Fault Tester
GD-4133 power cable multiple pulse fault finder, used for distance measurement of power cable fault point, with waveform easy to identify, high resolution, friendly interface, support for touch buttons and mechanical buttons, easy to operate.
Specifications
Working mode |
low voltage pulse, pulse current, multiple pulse. |
Signal gain adjustment range |
70dB. |
Low-voltage pulse emission voltage |
30V. |
The highest resolution |
0.4m. |
Maximum sampling frequency |
200MHz real-time sampling. |
Maximum ranging range |
100km. |
Distance measurement blind zone |
2m. |
Communication interface |
USB. |
Power |
Polymer lithium-ion battery pack, nominal voltage 7.4V. |
Button |
Adopt Danish imported button, the reliability is not less than 10 million times. |
Battery life |
Use a fully charged polymer lithium-ion battery for more than 5 hours of continuous use (as the battery ages, the continuous use time will be shortened accordingly). |
Charger |
Input AC220V, 50Hz, charging current 2A, charging time 8 hours. |
Volume |
274 * 218 * 81mm |
Weight |
3.5kg |
Conditions of Use |
|
Temperature |
-10ºC~ +40ºC; |
Humidity |
5% to 90% RH (25 ºC); |
Altitude |
h<4500m |
II. GD-4132 Power Cable Fault Locator
GD-4132 cable tracing and fault locator is used with the GD-2131H integrated DC high voltage power supply unit to provide an advanced acoustic and magnetic waveform display acoustic and magnetic synchronization method to precisely determine the fault point.
Features
a. Acoustic and magnetic synchronous receiving, strong anti-interference ability.
b. Acoustic and magnetic signal waveform display, signal and noise are easy to distinguish.
c. The cursor measures the acoustic and magnetic delay to accurately determine the distance of the fault point.
d. Path detection can be performed at the same time as the fixed point according to the initial polarity of the magnetic field waveform.
e. High performance anti-noise headphones.
f. Large-screen LCD display, friendly interface and easy to use.
g. Built-in high-capacity lithium-ion battery power supply with fast charger.
h. Power management: Open different power paths according to different functions to minimize power consumption; if there is no operation for 15 minutes, the instrument will automatically shut down; when the battery is under voltage, it will automatically shut down to protect the battery.
i. High degree of protection, small and portable.
Specifications
Acoustic and magnetic synchronous fixed point function |
|
Sound signal passband |
center frequency 400Hz, bandwidth 200Hz |
Signal gain |
80dB |
Fixed point accuracy |
0.1m. |
Power supply |
|
Battery |
Built-in lithium-ion battery pack, nominal voltage 7.4V, capacity 3000mAH |
Power consumption |
300mA, continuous use time > 9 hours |
Charger |
Input AC220V±10%, 50Hz; nominal output 8.4V, DC1A |
Charging time |
<4 hours |
Display mode |
320×240 dot matrix large screen LCD |
Volume |
270mm * 150mm * 210mm |
Weight |
1.5kg |
Conditions of use |
|
Temperature |
-10 ° C -40 ° C |
Humidity |
5-90% RH |
Altitude |
<4500 m |
III. GD-4133S Cable Test Multiple Pulse Coupling Device
GD-4133S cable test multiple pulse coupling device is used together with GD-4133 cable multiple pulse fault range finder and high voltage signal generator to detect high resistance leakage fault, flashover fault, low resistance, ground and open circuit failure of various power cables.. The GD-4133S provides a pulse signal coupling path for the GD-4133 cable multiple pulse fault finder, and at the same time achieves electrical isolation from high voltage equipment. It adopts the most advanced "multiple pulse method" technology in the world to make the judgment of cable fault waveforms simple and convenient.
Features
1. Adopted the most advanced "multiple pulse method" technology and pulse balance technology, which further highlights the reflection waveform of the fault point, and the test waveform identification is easier.
2. It has safe high-voltage protection measures to achieve electrical isolation between the measuring circuit and the high-voltage impact power supply, ensuring the safety of the range finder in the impact voltage environment without damage or crash.
3. Simple wiring and can be used with other high voltage equipment.
4. No high pressure exposed, safe and reliable.
Specifications
Test pulse voltage |
300V (P-P) |
Allow input impulse voltage |
less than 35kV |
Allow input of impact energy |
less than 2000J |
Power supply |
AC 220V, 50Hz |
Dimesion |
560mm × 230mm × 220mm |
Weight |
7kg |
IV. GD-2131H Integrated DC High Voltage Power Supply
GD-2131H integrated DC high voltage power supply unit is an integral part of the cable fault detection system and is used to detect the auxiliary high voltage power supply when using the impact flashover method to detect high resistance faults.
Features
1. Strong burning ability, the maximum burning power of 1000W, can burn through the breakdown point in a short time, reducing the breakdown point resistance.
2. In conjunction with the GD-4133 Cable Fault Tester, it has the following two positioning methods:
a. Low-voltage pulse method: GD-4133 can be used alone to locate the open circuit and low-resistance ground fault of the cable, and measure the cable length or verify the cable wave speed.
b. High-voltage flashover method: The pulse current waveform discharged by the fault point is sampled by the discharge ball gap, and the distance of the fault point can be located.
3. Generates a fixed frequency pulse that, in conjunction with the GD-4132 Cable Fault Locator, has the following features:
a. Use the audio method to complete the precise determination of the general high-resistance and flashover fault points.
b. Find the location (path) of the cable and identify the specific cable.
c. For metallic breakdown (dead ground), use magnetic field measurement to determine the point.
4. DC withstand voltage test is available.
5. Optional 30m or 50m cable reel for user convenience.
Technical indicators
Output voltage |
DC 0-32kV adjustable |
Direct flash voltage |
32kV |
Direct flash current |
32mA |
Maximum pulse current |
500mA |
Maximum energy storage |
2048J, 4uF |
Rated power |
2000VA |
Discharge mode |
DC high voltage, single time, cycle. |
Periodic discharge frequency |
3-6 seconds. |
Power supply |
AC 220V, 50Hz |
Insulation class |
Class A |
Ambient temperature and humidity |
0~40oC <75%RH |
Altitude |
<1000m |
Volume |
460mm × 380mm × 380mm |
Weight |
75kg |