An intelligent combined cable fault test system based on TDR technology. It provides fault pre-location, precise positioning, route tracing and cable identification. Compact, portable and user-friendly, enabling efficient fault testing for non-professionals.

1. High receiving sensitivity, low static drift, high positioning accuracy and strong anti-interference ability.
2. LCD screen displays real-time signals and working status of the instrument.
3. Built-in lithium battery power supply with a dedicated charger for convenient on-site use.
4. Safe, fast and accurate fault testing with low-voltage pulse and high-voltage flashover methods for all cable fault types.
5. 100MHz A/D sampling speed, 0.3m reading resolution and 0.3m detection blind zone via high-speed data sampling.
6. Advanced signal processing technology and integrated components for excellent testing performance.
7. Automatic receiving gain adjustment for optimal working status without manual operation.
8. Acoustic function with speaker tone variation reflecting real-time measurement signal intensity.
9. Left and right indicator lights for intuitive display of fault point position.
10. Tracking prompt function to detect pipeline current direction and eliminate adjacent line interference at specific frequencies.
11. Ground fault location with optional A-frame, no zero adjustment and indicator lights for fault direction.
12. Digital high-precision sampling and processing with narrow bandwidth, effectively suppressing power frequency and harmonic interference.
13. Transmitter with high-power output, automatic impedance matching and automatic protection functions.
14. Built-in large-capacity lithium battery pack, with robust and lightweight casing for easy portability.

KD-212L Cable Fault Tester

1. Sampling method: Low-voltage pulse method, velocity measurement method (impulse flashover, multiple pulse available)
2. Sampling rate: 200 MHz, 100 MHz, 80 MHz, 40 MHz, 20 MHz, 10 MHz
3. Pulse width: 0.05μs, 0.1μs, 0.2μs, 0.5μs, 1μs, 2μs, 8μs
4. Wave velocity: XLPE, PVC, oil-immersed paper, non-dripping oil, custom
5. Impulse high voltage: ≤35kV
6. Testing distance: ＜60km; Blind zone: ≤1m
7. Resolution: 1m; Testing accuracy: 1m
8. Display: 8-inch industrial color touch LCD
9. Operation: Touch screen + physical knobs
10. Analysis functions: Scroll, zoom, save, recall, wave shift
11. Power: Built-in battery; AC220V±10% for charging
12. Continuous working: ≥8h (external power supported)
13. Storage: Mass waveform and data storage & recall
14. Waveform: Fault/normal phase comparison, auto distance judgment
15. Dimensions: 270mm×220mm×150mm; Weight: 3.2kg

KD-2125 Cable Comprehensive Locator

Transmitter

1. Output frequency: 491Hz, 982Hz, 8.44kHz, 9.82kHz, 35kHz, 82kHz, 83kHz; ID 2–4kHz
2. Output mode: Direct connection, induction, coupling
3. Clock accuracy: ≤50ns
4. Output power: 1–10W auto adjustable; 5–25000Ω load
5. Max output power: ≥10W
6. Display: Graphic LCD with backlight
7. Operation: Soft keys
8. Protection: Auto overheat & over-current
9. Battery: 18650 Li-ion; >8h continuous operation
10. Clamp diameter: 175mm
11. Charger: AC100–240V, 50–60Hz
12. Dimensions: 277mm×227mm×153mm; Weight: 2.8kg

Receiver

1. Active frequency: 491Hz, 982Hz, 8.44kHz, 9.82kHz, 35kHz, 82kHz, 83kHz; ID 2–4kHz
2. Passive frequency: 50/60Hz, 100Hz, 120Hz, RF14–21kHz
3. Testing range: 0–10m; Depth range: 0–20m
4. Depth accuracy: ±2.5%+5cm (0–2m)
5. Gain dynamic range: 100dB, auto & manual
6. Indication: Compass, left/right arrow, audio, bar graph 0–999
7. Display: VGA high-brightness LED with backlight
8. Functions: SS ID, compass, distortion warning, depth, current
9. Communication: Bluetooth
10. Battery: 18650 Li-ion; >12h continuous operation
11. Dimensions: 650mm×32mm×110mm; Weight: 1.6kg