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KDZD803 Power Cable Fault Locator | TDR & Pulse Current Tester
KDZD803 Power Cable Fault Locator | TDR & Pulse Current Tester

KDZD803 Power Cable Fault Locator | TDR & Pulse Current Tester

Applications:

The KDZD803 Power Cable Fault Locator is an essential tool for maintenance and repair operations in power transmission and distribution networks. It is specifically designed to diagnose and pinpoint faults in high-voltage power cables used in substations, power plants, and industrial facilities. This instrument is indispensable for utility companies and electrical contractors tasked with restoring power quickly after outages, as it accurately measures the distance to faults such as Open Circuits Low-Resistance Faults High-Resistance Faults , and Flashover Faults . By providing precise fault location data, it significantly reduces downtime and excavation costs associated with cable repairs.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

The KDZD803 Power Cable Fault Tester is a portable, high-precision instrument engineered to locate faults in power cables efficiently. Utilizing two primary testing methodologies—Low Voltage Pulse Reflectometry (TDR) and Pulse Current Analysis—it can diagnose a wide spectrum of cable issues. The device operates by sending a calibrated pulse down the cable and analyzing the reflected signal to calculate the exact distance to the fault. Designed for field use, it features a rugged orange casing and a high-brightness 7-inch LCD screen that remains clear and readable even under direct sunlight. With its intelligent fault detection, automatic ranging, and data storage capabilities, the KDZD803 ensures reliable operation and accurate results in demanding outdoor environments.

Features:

  • Dual Testing Modes: Combines Low Voltage Pulse and Pulse Current methods to cover Open Circuits, Low-Resistance, High-Resistance, and Flashover faults.
  • High-Precision Measurement: Achieves an error margin of less than ±1 meter for distances under 1KM and 0.5% for longer ranges.
  • Sunlight-Readable Display: Features a 7-inch TFT LCD with 750 cd/m² brightness and a 160° viewing angle for clear visibility in bright conditions.
  • Automatic & Manual Operation: Offers intelligent automatic testing for quick diagnostics and manual mode for experienced technicians to fine-tune parameters.
  • Data Management: Stores unlimited waveform data locally and allows transfer to a PC via USB for detailed analysis and reporting.
  • Portable & Durable: Built with a rugged, portable design and an imported rotary encoder for precise cursor control in the field.
  • Extended Battery Life: Powered by a Lithium-ion battery pack with adjustable backlight and auto-shutdown settings to maximize operational time.

Parameter:

The technical specifications of the KDZD803 are defined by high-speed data acquisition and robust environmental tolerances.
  • Operating Modes: Supports Low Voltage Pulse and Pulse Current methods.
  • Maximum Testing Range: Up to 8 kilometers in Low Voltage Pulse mode and 128 kilometers in Pulse Current mode.
  • Testing Accuracy: Resolution is less than ±1 meter for distances under 1 kilometer; error is less than 0.5% for distances over 1 kilometer.
  • Blind Zone: 2 meters.
  • Sampling Frequency: High-speed acquisition at 200 MHz.
  • Pulse Width: Adjustable between 10 nanoseconds and 10 microseconds.
  • Display: 7-inch TFT LCD with a resolution suitable for waveform analysis.
  • Power Source: Rechargeable Lithium-ion battery pack with a nominal voltage of 7.4V.
  • Charging Specifications: Input voltage is 220V AC, 50Hz; charging current is 1A; typical charging time is approximately 6 hours.
  • Environmental Rating: Operates reliably within a temperature range of -10°C to +40°C.
  • Physical Dimensions: Compact and portable design with a weight and size suitable for field carry.
  • Interfaces: Equipped with USB interface for data communication and storage.