• Accurately and quickly detect the main insulation failure of power cables
• Calibrate the cable length
• Accurately detect the direction and depth of the cable buried
• Proof-testing of the cable with the standard D.C
• Finding the Fault-Distance on a cable
• Pin-Pointing of cable faults on the ground
• Tracing path-underground cables
• Selecting a cable from a cable bundle

Cable Fault Pre-location determines the distance of the cable fault (in meters or feet) from the test end. This is a critical aspect, as precise pre-location of the cable fault reduces the time taken for final fault location when compared to the conventional surge generator and pinpointed method. Pre-location uses low voltage methods such as time-domain reflectometer (TDR) and high voltage methods such as SIM, ARC, MIM, ICM/ICE & voltage decay method.

XHGG502 Cable Fault Pre Locator is a special instrument for measuring and analyzing power cable status and fault distance. It combines modern electronic technology and computer technology to realize signal filtering, acquisition, data processing, graphic display and graphic analysis to complete cable speed measurement, cable length test, cable fault distance test.

• The reflected signal sent by the pulse coupler is automatically displayed, and the full-length waveform of the cable open circuit is displayed at the same time
• Automatic calculation and display of fault distance
• Function of storing massive test waveforms
• Standard printer USB interface
• Simple operation and high reliability with excellent cost performance
• Built-in polymer lithium battery power supply

XHGX507 underground cable pipe locator is mainly used for cable fault location, cable identification, cable path and depth measurement. It can complete tasks that could only be accomplished by a few sets of instruments in the past.

• Large-screen LCD displays signal strength with intuitive indicators
• All-digital design with clear graphic display and reliable positioning
• Portable and lightweight design
• Built-in rechargeable battery
• Built-in ohmmeter to measure cable loop resistance
• Can detect insulation faults up to 2MΩ to ground
• Backlight function for night operation

The cable fault location instrument uses the acoustic and magnetic synchronization method to determine the power cable fault point. It integrates positioning technology, path-assisted testing and other technologies, providing multiple test modes and rich prompt information to efficiently and accurately complete cable fault location.

• 5-inch touch-high brightness LCD ensures visibility under sunlight
• Acoustic and magnetic synchronous positioning technology
• Adjustable gain value and trigger value for acoustic and magnetic signals
• Background noise reduction technology with multiple filtering methods
• Path deviation indication
• Waterproof grade IP65
• Built-in large-capacity lithium battery with long standby time

The high-voltage pulse generator fully complies with industry standards and is mainly used for impact discharge during fault testing of cables with voltage levels of 35kV and below. It integrates DC high-voltage source, energy storage capacitor, and discharge ball gap into one compact unit.