A10 Cable Fault Flash Tester - High Precision TDR
A10 Cable Fault Flash Tester - High Precision TDR
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The A10 Cable Fault Flash Tester locates underground cable faults in minutes with ±0.5 m accuracy across a 0–100 km range — CE certified and factory direct at $2,800.
What Is the A10 Cable Fault Flash Tester?
The A10 is a professional Time Domain Reflectometer (TDR) used by utilities and contractors to measure the distance to cable faults before excavation. It uses low-voltage pulse and pulse-current methods to detect reflections along power cables. The instrument covers 0–100 km and displays results on a 12.1-inch HD color touchscreen.
What Cable Faults Can the A10 Detect?
The A10 detects short circuits, open circuits, and low-resistance ground faults — the most common failure modes on distribution feeders and industrial cable runs. It also identifies cable joints and verifies full cable length during commissioning. High-resistance faults above roughly 500 Ω require HV conditioning before the A10 can measure them.
How Accurate Is the A10 Fault Tester?
The A10 achieves ±0.5 m distance accuracy with a sampling rate of 3.125–400 MHz and adjustable pulse widths from 20 ns to 40 µs. A 2% velocity factor error shifts a reading by 20 m on a 1 km cable, so the A10 allows velocity factor adjustment in 0.01 steps. Two-end testing confirms readings before excavation.
How Does the A10 Compare to the Megger TDR2000?
The A10 costs $2,800, while the equivalent Megger TDR2000 ranges from $4,000 to $6,000 — a 40–58% saving with identical TDR capability. The A10 includes built-in WiFi and SIM remote transmission as standard. It runs a Linux-based operating system for stable field operation.
What Is Included with the A10?
Each A10 ships with a signed factory test certificate, CE compliance documentation, a foam-lined aluminum transit case, and export packaging for sea freight. Standard orders ship within 10–15 days Qingdao/Tianjin/Shenzhen. Every unit includes a 1-year warranty, lifetime maintenance support, and free online training.
Key Features
- Full-length cable testing, wave velocity verification, and fault pre-location
- Fault distance measurement, joint positioning, and wave velocity calibration
- Three-proof chassis; 12.1-inch HD color touchscreen with one-key rotary mouse
- Auto waveform positioning reduces dependence on testing experience
- Built-in WiFi and SIM for remote waveform transmission
Technical Specifications
| Pre-location Methods | LV pulse, pulse current |
| Range | 5 m – 100 km |
| Accuracy | ±(0.5% × L) + 1 m |
| Sampling | 3.125 – 400 MHz |
| Pulse Width | 20 ns – 40 µs |
| Pulse Amplitude | 120 V |
| Standby Time | ≥ 6 hours |
| Certification | CE (LVD + EMC) |
Applicable Scenarios
- Distribution feeder fault pre-location — locate faults on 10–35 kV distribution feeders before excavation
- Street lighting & LV network maintenance — fast fault distance measurement on urban LV cables
- Industrial plant cable troubleshooting — verify cable integrity in plant power systems
- New cable commissioning — measure cable length and verify installation quality
- Cable joint monitoring — identify impedance changes at joints along aging feeders
Testing Method
- Safety check — confirm the cable is de-energized and grounded at both ends
- Connect — attach test leads to the cable under test
- Set parameters — select cable type and adjust velocity factor
- Run the test — transmit the pulse and read the fault distance
- Mark the distance — record the reading; note joints on the trace
- Confirm — repeat from the opposite end and verify consistency
- Hand off — pass the distance reading to the pinpointing stage (C11)
Quality & Delivery
- 100% factory tested — full power-on calibration with test certificate included
- CE certified — compliant with EU EMC and LVD directives
- Export packaging — foam-lined aluminum transit case, export carton or wooden crate
- Lead time — 10–15 days, Qingdao/Tianjin/Shenzhen
- After-sales — 1-year warranty, lifetime maintenance, free online training
FAQ
How far can the A10 measure along a cable?
The A10 covers 0–100 km, with a blind zone of approximately 5 m from the test end.
What accuracy does the A10 provide?
The A10 provides ±0.5 m distance accuracy when the velocity factor is correctly calibrated to the cable type.
Can the A10 find high-resistance faults?
Not directly — high-resistance faults (above ~500 Ω) require HV conditioning first. The A10 measures them once conditioned to a low-resistance arc.
Is the A10 CE certified?
Yes, the A10 complies with EU LVD (2014/35/EU) and EMC (2014/30/EU) directives, with documentation included.
What is the warranty on the A10?
The A10 comes with a 1-year warranty, lifetime maintenance support, and free online training.
How does the A10 compare in price to Megger?
The A10 at $2,800 is 40–58% below the equivalent Megger TDR2000 ($4,000–$6,000), with WiFi remote transmission included as standard.