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muvvis: The new era of NDT measurement technology

"Previously, multiple devices were required to measure magnetic fields, UV intensity, and lux 

– muvvis now combines all three methods in one compact, modular system."

Non-destructive testing (NDT) is a key technology in modern quality assurance. Whether in aviation, automotive engineering, energy technology, or plant construction—it is used wherever maximum safety is required. NDT measurements must be precise, reproducible, and compliant with standards.

Until now, this meant that specialists had to carry several individual devices for magnetic field, UV, and lux measurements. This was not only cumbersome but also time-consuming – and it increased the risk of fragmented data documentation or overlooked calibration intervals.

With "muvvis," developed and distributed by K+D Flux-Technic, which is known worldwide for its standard and special machines in the field of crack detecting MT/PT, an innovative 3-in-1 solution is now available. The handheld device combines magnetic field, UV, and lux measurement in a compact, modular system – setting new standards in efficiency and data security.

Modular. Digital. Future-proof.

The muvvis is a portable "all-in-one" system with plug-in probes for magnetic field and radiation measurement. The color display with capacitive touchscreen and intuitive user interface ensure easy operation. Dedicated buttons are also available for everyday testing – easy to use even when wearing gloves.

Performance features at a glance

•     Magnetic field measurement
• Transverse probe for measuring magnetic field strength
• Detection of DC and AC components (0–100 Hz)
• Recording of maximum and minimum values, even with pulsed fields (up to 1 Hz)
• Optional: 3D magnetic field measurement 

•    UV and lux measurement
• Measurement of UV radiation intensity in accordance with DIN EN ISO 3059
• Integrated laser distance sensor for standard-compliant, reproducible measurements
• Additional measurement of illuminance (lux) for visual inspections

•    Modularity and data backup
• Two inputs for interchangeable, automatically recognized probes
• Powerful 32-bit processor (216 MHz) for fast data processing
• Storage as CSV file on microSD card, compatible with Excel & QM systems
• Real-time clock for complete documentation (date/time)

•    Automated calibration reminder
• Automatic reminder of due calibrations
• Only the measuring heads need to be sent in → minimal downtime
• Audit and verification security in quality management

•    Robustness and practical benefits
• Long battery life, fast charging via USB-C
• Protection class IP54, operating range 0–40 °C
• Acoustic support: field strength can also be detected acoustically – ideal for limited visibility

Another advantage of the muvvis measuring device is its consistent modularity: Users purchase exactly the measuring heads they actually need.
For example, those who only perform magnetic field measurements can initially use the device with a corresponding probe and later add a UV or lux probe if required. This not only makes the system future-proof, but also economically attractive – because investments can be adapted step by step to individual needs.

By combining three essential measurement methods in a single device, muvvis facilitates compliance with international standards. In addition to DIN EN ISO 3059 (UV light), the specifications of DIN EN ISO 9934-3 for magnetic field measurements and relevant ASTM standards (e.g., ASTM E1444, ASTM E1417) are also covered.

The device therefore not only provides precise measurements, but also legally compliant evidence – a decisive advantage in audits, certifications, and in the event of damage.

The "muvvis" measuring device reduces complexity, saves time, and increases safety in everyday testing. Instead of three individual devices, only one handheld device will be needed in the future, which is modular, future-proof, and fully auditable.

For users in NDT, this means:

•    less effort,

•    fewer sources of error,

•    greater reliability in documentation,

•    a clear step towards digitized quality assurance.

With muvvis, K+D Flux-Technic has developed a system that not only closes a gap – it ushers in a new era in non-destructive testing.