Cable Tester That Measures Length UK: Locating Breaks Without Guesswork
Answer first: A cable tester that measures length uk field techs can carry should estimate distance to a break so you stop opening the wrong wall cavity on a call-out.
Unlabelled installs waste hours. Length plus wiremap narrows where to cut access, then tone tracing confirms the exact cable.
A practical fault workflow
- Wiremap both ends to rule out bad terminations.
- Read length toward the open or short.
- Tone-trace from the nearest cupboard or patch panel.
- Only then open finishes where the numbers agree.
The EthernetCA Pro-Scan is a handheld copper LAN cable tester with wiremap for CAT5/5e/6/6a UTP and STP, length/break location up to 200 m, analogue plus digital tone tracing, and safe PoE detection (802.3af/at, 5–60 V). USB-C rechargeable main unit; tone probe uses a 9V battery (not included). Priced at £114.14 with free UK delivery, 30-day returns and a 12-month UK warranty.
Frequently asked questions
How accurate is length on a handheld unit?
Treat ±1–2 m as guidance for locating breaks, not as a surveyor's tape.
Can length mode find a break in the wall?
It estimates distance to the open; you still confirm with tone tracing at the nearest access point.
Do I need full TDR certification gear?
For most UK domestic and SMB call-outs, a field length + wiremap kit is the practical first tool.
What if length looks wrong?
Check remote ID connection, split pairs and whether you are measuring through a coupler.