GD-4138H Moveable Cable Fault Locating System Underground Cable Fault Finder

• Connectors: USB
• Test Mode: Point Test
• Test Region: Forming Cable
• Cable Type: Shielded
• Power: Electricity
• Customized: Customized
• Model NO.: GD-4138H
• Color: Yellow
• power supply: AC220V,50Hz
• warranty: 1 year
• Transport Package: Wooden Box
• Specification: ISO, SGS
• Trademark: HV Hipot
• Origin: Wuhan, China
• HS Code: 9030899090
• Production Capacity: 5000sets/Year

Product Description

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