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Cable Sheath Fault Locator XHHD523L 10kV Square Wave Output for Fast Accurate HV Cable Fault Detection

Name: Cable Sheath Fault Locator XHHD523L 10kV Square Wave Output for Fast Accurate HV Cable Fault Detection
Brand: Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
SKU: XHHD523L
Price: 2,500.00 USD
Availability: InStock

Product Details:

Place of Origin:	China
Brand Name:	XZH TEST
Certification:	CE ISO
Model Number:	XHHD523L

Detail Information

Place of Origin:

China

Brand Name:

XZH TEST

Certification:

CE ISO

Model Number:

XHHD523L

Product Name:

HV Cable Sheath Fault Locator

Display:

Digit Display

Accuracy:

±0.01%-0.03%

Material:

Aluminum Alloy

Feature:

Reliable

Operating Temperature:

-20-60.C

Highlight:

High Light

Highlight:

10kV Square Wave Fault Detection

One-Button Pinpoint Withstand Testing

Frequency Adjustable Cable Fault Locator

Trading Information

Minimum Order Quantity:

1 unit

Price:

Negotiable

Packaging Details:

wooden box

Delivery Time:

5-8 work days

Payment Terms:

T/T

Supply Ability:

2000unit/year

Product Description

Cable Sheath Fault Locator XHHD523L 10kV Square Wave Output for Fast Accurate HV Cable Fault Detection-XHHD523L

Product Overview

The XHHD523L Cable Sheath Fault Locator is a professional-grade instrument designed for fast and accurate fault detection on high-voltage power cable outer sheaths. With a 10kV square wave output voltage and maximum 200mA output current, this device fully complies with the Chinese national standard GB50150-2006 for cable outer sheath withstand voltage testing, including handover tests and preventive tests for cross-interconnect systems.

With the widespread deployment of urban network transformation projects, many power supply bureaus, construction parties, and design units are encountering 110kV XLPE cables under tight project timelines. The XHHD523L is purpose-built to address these challenges, providing a reliable solution for locating cable sheath defects and performing DC withstand voltage tests on high-density polyethylene (HDPE) and polyvinyl chloride (PVC) cable outer sheaths.

Technical Specifications

Model Number

XHHD523L

Product Type

HV Cable Sheath Fault Pinpoint Locator

Output Voltage

0~10kV (Square Wave)

Output Current

Max 200mA

Output Capacity

2kVA

Frequency Adjust

Min 0.4Hz, Max 1Hz (Range Adjustable)

Power Supply

220V (±10%), 50Hz (±5%)

Accuracy

±0.01% ~ ±0.03%

Display

Digital Display

Material

Aluminum Alloy

Operating Temperature

-20°C ~ 60°C

Certification

CE, ISO

Brand

XZH TEST

Origin

China

Application Background

Most modern cable outer sheaths are manufactured from HDPE sheath material, which passes factory DC 25kV/5min withstand voltage testing with leakage currents as low as tens of microamperes. However, defects commonly occur after cable laying due to external force damage during installation, including soil filling and covering operations. Post-installation defects typically include termite damage, water ingress in grounding boxes, deterioration of original defects, and moisture penetration at grounding wire bifurcation points that reduces insulation resistance. Some defects persist unresolved for years due to deep burial depths or complex surrounding conditions, creating significant operational safety hazards.

The XHHD523L's 10kV output voltage fully satisfies the GB50150-2006 standard requirements for cable outer sheath testing. It enables rapid and accurate identification of hidden defects in 10kV-500kV single-core and three-core high-voltage and ultra-high voltage cable outer sheaths, including ground faults and large leakage current conditions. Furthermore, it performs 5kV-10kV DC 1-minute withstand voltage tests on HDPE and PVC cable outer sheaths, making it an essential instrument for cable maintenance departments of 10kV-500kV operating units, ultra-high voltage cable engineering companies, and various power transmission and transformation engineering enterprises.

Key Features

Output voltage continuously adjustable from 0 to 10kV for versatile testing scenarios
Output frequency adjustable from 0.4Hz to 1Hz with full range configurability
Built-in over-current protection ensures operator and equipment safety
One-button switching between pin-pointing mode and withstand voltage testing mode for seamless workflow
Receiver sensitivity is fully adjustable for optimal signal detection in varying field conditions
Signal frequency adjustable to match different cable characteristics and burial conditions
Integrated zero protection for safe high-voltage operation
Zero blind area testing ensures complete coverage across all cable lengths, including near-end faults

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Frequently Asked Questions

Q1: What voltage levels of cables can the XHHD523L test?

The XHHD523L is designed for testing 10kV to 500kV single-core and three-core high-voltage and ultra-high voltage cable outer sheaths. It fully complies with the Chinese national standard GB50150-2006 and can perform both handover tests and preventive tests for cross-interconnect cable systems.

Q2: What types of cable sheath defects can this device detect?

The XHHD523L can detect a wide range of cable outer sheath defects including: external force damage during cable laying and soil filling; termite damage to HDPE sheaths; water ingress in grounding boxes; deterioration of pre-existing manufacturing defects; moisture penetration reducing insulation resistance at grounding wire bifurcation points; and ground faults with large leakage current in cross-interconnect systems.

Q3: How does the one-button switching function work?

The XHHD523L features a dedicated one-button toggle between pin-pointing mode and DC withstand voltage testing mode. In pin-pointing mode, the square wave output enables precise fault location using the step voltage method. In withstand test mode, it delivers a regulated DC voltage up to 10kV for performing standard 1-minute withstand voltage tests on HDPE and PVC cable outer sheaths, eliminating the need to switch between separate instruments.

Q4: What is the significance of the frequency adjustable feature?

The adjustable output frequency (0.4Hz to 1Hz) allows operators to optimize the square wave signal for different cable types, burial depths, and soil conditions. Lower frequencies penetrate deeper and are more suitable for deeply buried cables, while higher frequencies provide faster response for shallow cable fault location. This flexibility significantly improves detection accuracy across diverse field environments.

Q5: What is the positioning accuracy of the XHHD523L?

The XHHD523L achieves a positioning accuracy of ±0.01% to ±0.03% of the cable length. This high-precision measurement is enabled by the digital display system and the square wave step voltage method, which eliminates the blind zones typically associated with traditional wave reflection methods. The device maintains full accuracy even for faults near cable ends and in short cable segments.

Q6: Is the XHHD523L suitable for field use in harsh environments?

Yes. The XHHD523L is built with an aluminum alloy housing for durability and heat dissipation, and operates reliably across a wide temperature range of -20°C to 60°C. The 2kVA output capacity and 220V standard power input make it suitable for field deployment at substations, cable trenches, and remote installation sites. The receiver sensitivity adjustment further compensates for varying field signal conditions.

Q7: What is the minimum order quantity and delivery time?

The minimum order quantity is 1 unit. Standard delivery time is 7-15 working days. Each unit is securely packaged in a wooden box for safe international transport. Annual production capacity is 2,000 units, with payment terms via T/T.

About XZH TEST

XZH TEST is a professional manufacturer specializing in cable fault detection and diagnostic solutions for power utilities, electrical contractors, and industrial customers worldwide. With advanced technologies including high-voltage bridge methods, TDR analysis, square wave step voltage technology, and intelligent fault location systems, XZH TEST delivers reliable equipment that helps engineers locate cable faults faster and improve power network reliability.

Tags:

Cable Sheath Fault Locator XHHD523L 10kV Square Wave Output for Fast Accurate HV Cable Fault Detection

High Light

Highlight:

10kV Square Wave Fault Detection

One-Button Pinpoint Withstand Testing

Frequency Adjustable Cable Fault Locator

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