Line finder comparison 2018

Purchase advice for the lead finder comparison or test 2018

  • Using a line finder, you can locate pipes that are in the wall and are not on a plan before drilling and attaching shelves or picture frames.
  • The current detector detects changes in an electric field, due to which one can conclude the presence of an electrical line.
  • Some line seekers feel metal instead of voltage changes: with them you will also find water pipes in the wall.

Line finder comparison 2018: finder

DIY is still a popular hobby in Germany. According to the Mark Media study VuMa (Consumption and Media Analysis), about 21 million Germans in 2016 worked relatively regularly in their own homes. Sooner or later, home improvement includes work on electrical installations. In its guide "repairs compact - electric + network" gives the Stiftung Warentest to good tips and notes that a voltage tester or line-finder should be part of the basic equipment of every handyman, With these devices, you can locate power lines in a wall and check for functionality.

As a result, Line Finder Comparison 2018 will tell you what criteria to look for when purchasing a line finder or wall scanner. It is important, which materials the line finder finds. These include both metal-containing materials and cables as well as wood. You will also learn more about the handling of the devices and how deep a cable can lie so that it is still located.

1. Electricians, craftsmen and do-it-yourselfers can track down lines with the device

Line finder comparison 2018: comparison

With a line finder you can reliably find cables in your walls.

Become a line finder used to locate power lines, gas pipes, water pipes and wood in walls. For example, you can find empty areas in house or apartment walls before drilling and doweling. You can then attach nails and fix furniture or pictures in these places.

Of course, pipe locators are also usable outdoors, so you also detect power or water pipes on external walls and then to line-free points z. B. can grow a conservatory.

Line finder comparison 2018: line

Even professionals rely on the services of line seekers in building and renovating.

Although the locator is primarily intended to search for power lines, you are not limited to this feature. Metal in other forms, whether installed or not, can be detected in this way. In addition, some devices also indicate where in the wall wooden beams or water pipes are.

2. Line seekers often do more than locate lines

The best lead locators in our comparison are multidetectors and can not only locate cables in the wall, but also Check whether there is voltage on a power line or whether it is continuous and has no breaks. Other models, however, belong to the wall scanner category: in addition to metals, they can also locate other materials such as wood and plastic, but also cavities.

The following table shows which tasks each type of line finder can perform:

Type of line finderproperties
wall scanners

Line finder comparison 2018: comparison

  • finds cable
  • also spot other materials like wood or plastic or cavities
  • usually has an easily interpretable display and also audible warning tones
  • often no function for testing tension or continuity of lines
Continuity tester

Line finder comparison 2018: wall

  • finds lines
  • indicates whether a cable is through and whether it is connected to another line
  • optical or acoustic signal in case of contact or malfunction
  • Test via direct contact with wire or contactless through walls
  • limited to metal lines
voltage tester

Line finder comparison 2018: finder

  • tests lines for presence of DC or AC voltage
  • depending on the model also display of the exact voltage value
  • usually combined with continuity tester
  • acoustic or optical signal when a voltage is applied
  • Measurement can be done via direct contact or without contact
Our recommendation: A multi-detector or wall scanner is universally applicable, which is why we clearly recommend these devices, also because there are quite cheap line finder of this type for less than 100 € to buy. Also, regularly check the condition of power lines, we recommend buying a separate line finder that tests for voltage and continuity.

3. Purchase advice for line seekers: Functions and ergonomics are equally important

How to use your line finder

Line finder comparison 2018: finder


Before you use it first scan the calibration material at a location where there is no lead, Only then the detector knows the surface and the metal or wood exactly and can then reliably find a power line or a water pipe. Some devices simplify this process by automatically calibrating themselves before each measurement.

3.1. Range of functions & locating depth: find other materials or check cables

An ideal cable search test winner should, if possible, too Find non-metallic materials (wood, plastic, non-ferrous metals) can or Cables for continuity or for connections to other cables can check. The latter happens then with a so-called wiring tester, which is included with some devices in our cable finder comparison in the scope of supply.

The locating depth of the line finder should be at least 5 to 8 cm for live cables, If the wall scanner is able to detect other metallic and non-metallic substances in the wall, this value will fluctuate upwards and downwards by about 5 cm. Here: Metals can also be located at greater depths. The following guideline values ​​are z. B. specified in wall scanners from Bosch

  • Steel: up to 12 cm
  • Copper: up to 8 cm
  • Power lines: up to 5 cm
  • Wood: up to 3.8 cm

3.2. Handling & Weight: Ergonomics counts as well

Line finder comparison 2018: line

A good line finder should be easy to use with just a few buttons.

A power finder is also usually not used regularly by ambitious DIY enthusiasts. Therefore, it is even more important that you buy a line finder that scores with an intuitive operation. This includes not only a well audible acoustic or visual signal when finding a line but also a simple user interface with a few buttons. The easier you can make settings on the device, the lower the probability of a measurement error.

Also pay attention to the weight and handiness of the tester. All models in our comparison weigh between 100g (equivalent to the weight of a bar of chocolate) and 500g (weighs about as much as a pack of noodles). Especially if you want to scan walls in hard-to-reach places, you often have to take an uncomfortable position. A light line finder that weighs less than 400 g, makes it easier for you to work in such cases enormously.

power supply: Line finders are powered by a battery or a rechargeable battery. When buying, make sure that the appropriate batteries (mostly 9 volt blocks) or the appropriate battery charger are included.

4. You will find cable finders in the assortment of these manufacturers

The manufacturers listed below offer lead locators. Bosch mainly sells wall scannerswith which you can also locate wood and plastics. Also very reliable and easy to use are the models from Testboy and Brennenstuhl.

  • Bosch
  • ELEGIANT
  • euro Sell
  • Brennenstuhl
  • Black & Decker
  • KURTH ELECTRONIC
  • Protec
  • Testboy

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