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The blind zone is literally zero on this unit, which means you’re not guessing where the fault starts — it reads from the very beginning of cable, and that ±0.2m precision holds across the full 100km range. We’ve had buyers running 35kV feeders in indutrial parks who save hours because the arc reflection method pinpoints the break without needing to walk teh line.
Sampling frequency goes from 6.25MHz up to 450MHz, so for shorter cables you can crank it and get cleaner waveforms — the 20G SSD stores enough traces to compare side-by-side without lag. The capacitive touch screen is responsive even with gloves on, which matters when you’re working at -35°C or so.
Discharge voltge adjusts form 0 to 40kV, and that’s not just a number — it’s handy when you’ve got mixed cable types on the same route, say a 10kV feeder next to a 400V control cable, because you can dial it down to avoid flashover damage. Most guys we deal with keep it at 25kV for standdard medium-voltage stuff.
It runs for about 4 hours on the internal battery, but you’ll want to plug into 220V AC if you’re doing multiple faults in a shift — the trolley design (580×540×900mm, 40kg) rolls decently on rough ground, though it’s not something you’d carry up stairs easily. We usually have stock, but confirm lead time if you need it inside 20 days or so.
One thing that catches people off guard: the remote test service support lets a colleague back at the office view the waveform in real time, which is basically a second set of eyes without them standing in the rain. Not suited for live-line work obviously — you still need to isolate the cable before connecting.
