A pen that says nothing is not the same as a circuit that is dead · review
A 50 to 1000 V pen stating CAT III 1000 V, alerting by LED, buzzer and vibration, and usable for tracing a break in a wire.
What the figures leave us with The tracing pen. Three alert channels and the highest stated category here, for fifteen euros.
A detector specified for the job of following a cable rather than checking a point.
Non-contact voltage detection from 50 V to 1000 V AC. Suitable for identifying live and neutral conductors, for tracing a wire and for finding a break. When AC voltage is present at the measuring point, the integrated LED flashes red and a buzzer sounds. Vibration alert. CAT III 1000 V.
Following a cable through a wall means moving the pen slowly and watching for the moment the signal stops. Doing that while looking at the wall rather than at the pen requires an alert you do not have to look at — which is what the buzzer and the vibration are for, and why a pen with only an LED is harder to use for this job than for a point check.
Everything on this page describes finding voltage, not confirming its absence. Follow the manufacturer instructions and prove any circuit you intend to work on with a two-pole tester.
Catalogued and unsold: the American Amazon shop lists the reference with nobody behind it.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
| Amazon reference | B0064MH362 (identical on 6 markets) |
|---|---|
| EAN | 4250569400087 |
| Voltage measurement | 50–1000 V AC |
| Measurement category | CAT III 1000 V stated |
| Illumination | LED, buzzer and vibration |
A buzzer is inaudible on a site and an LED is invisible in sunlight. Vibration works in both. PeakTech states LED, acoustic and vibration alerts together.
It depends on the job. Fifty volts is the conventional threshold above which voltage is treated as hazardous, so a pen that ignores anything below it is quieter around low-voltage wiring — and useless for finding a 24 V control circuit.
PeakTech states it is suitable for identifying live and neutral conductors and for tracing a wire. Following the field along a cable and noting where it stops is the standard technique.
7.8/ 10
The tracing pen. Three alert channels and the highest stated category here, for fifteen euros.
A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom, United States. Listed is not the same as in stock — availability changes daily.
Details checked on August 31, 2026.
Tracing cables and identifying the live conductor in noisy or poorly lit conditions.
Amazon reports what buyers took in the month before this page was last checked: at least 1,000.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for measuring instruments and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
90–1000 V AC · flat tip · industrial reference
Fluke's industrial detector, 90 to 1000 V AC with a flat tip. The listing states almost nothing beyond the range and the form.
Best for: A workshop standardized on Fluke, where the catalog reference is worth more than the listing.
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12–1000 V AC · auto and manual modes · stepless sensitivity · 8 LEDs in 3 colors
A detector with continuously adjustable sensitivity and an eight-LED, three-color strength display, so field strength is read as a scale rather than as a yes or no.
Best for: Picking one live conductor out of several, where a single-threshold pen lights up on all of them.
≈ $16
12–1000 V AC · CAT III 600 V stated · LED indication
A 12 to 1000 V AC contactless pen stating CAT III 600 V, with LED indication and an instruction to test the pen before each use.
Best for: A pocket first check, always followed by a two-pole tester before any work.
≈ $10
