Easily measure the direction and strength of electrical currents

Analyze highly precise, quantitative and areal resolved electrical currents without contact with DENKweit B-TECH Convince yourself of our versatile technology.

  • Be one step ahead – improve and understand your product
  • Recognize new correlations and enhance your reputation in your field of work.
  • Individual for your requirements and available in different sizes
  • Easy to combine with our DENKnetz – create your own evaluation without programming skills
To the application examplesSelected references

Product advantages that convince you:

  • Shorter R&D cycle time – saves you costs and secures your lead
  • Unique selling point – Simply acquire new projects
  • Gain new insights – Increase your profit or scientific output
  • Train evaluation AI independently and without programming knowledge with our VISION AI
  • Customizable to your applications – Easy to Use

Product features:

  • Quantitative magnetic field imaging – area-resolved, live, non-contact and in real time
  • Access to the DENKwelt platform including advanced data visualization and analysis
  • User-friendly interface, easy handling
  • Can be combined with DENKnetze

Technical data

  • Minimum measurable current: currently 2-5 mA/cm² (strongly dependent on sample and distance)
  • Maximum measurable current: > 500 A
  • Spatial resolution: 2.5 mm (x), μm range (y, z)
  • Resolution through different scan modes up to µm range
  • Individual sensor length, system length up to 3 m
  • Power supply 230 V, 50/60 Hz, 8 A
  • 3-axis magnetic field sensor of the B-TECH series

Information at a glance as download

EN Flyer B-LAB (Infoblatt_A4_B-TECH_EN)

CN Flyer B-LAB (Infoblatt_BTECH_chinese)

EN Battery Presentation B-TECH (DENKweit_B-Tech_Battery_2020)

EN Solar Presentation B-TECH (DENKweit_B-TECH_solar_en_short)

Discover our services.


Start contact


  • Measurement of the distribution of currents in connected Shingled solar modules
  • Analysis of the quality of individual adhesive dots by simply painting over them
  • Quick detection of hidden shunts and other inhomogeneities
  • Optimization of series resistors and Shingle concepts
  • Use in production and free field

  • Measurement of a solar cell
  • The right busbar is not connected to the cross connector

  • Measurement of a cell in the module network
  • The solder points become visible in the By-component of the magnetic field
  • Some solder joints are missing
  • It can also be determined whether the soldering points are in the middle of the pad or offset.

  • Measurement of a solar cell with microcrack
  • The crack is clearly visible
  • No soldering points are visible below the crack
  • The crack has cut through the busbar

  • Measurement of three cylindrical Li-Ion batteries during a charging process
  • The right battery shows an abnormality
  • The changed magnetic field indicates a locally changed current flow
  • MFI allows the detection of defects in accumulators

  • Measurement of a pouch cell during the charging process
  • MFI makes it possible for the first time to visualise the flow of electricity

  • Measuring a crack in the metal with a handheld device
  • Measuring signal 3-4 orders of magnitude via signal-to-noise ratio
  • Live measurements possible


The University of New South Wales (UNSW) is working with DENKweit B-TECH to investigate new types of contacts in order to find faults and to fully exploit the potential of new technologies.

If you are also working on smart-wire, adhesive technologies or other contacting concepts for solar cells and solar modules, please contact us! Take advantage of our unique technological lead. Publication?

The Fraunhofer Center for Silicon Photovoltaic (CSP) uses THE DENKweit B-TECH technology for the analysis of soldered connectors of entire solar modules. In addition, all other major electrical defects are located.

Interested in the analysis of entire solar modules? Sign up!

The Technical University of Clausthal is researching more safety and longer lifespans for batteries for electromobility. With our technology, the TU gets a deep insight into the processes of your batteries.

Do you also study or develop novel battery technologies? Sign up!