mk-motion for EMC chambers / testing service providers
Every day a different test subject, different customer requirements, different evaluation criteria. mk-motion adapts – with saved profiles, quick setup and open interfaces for any laboratory infrastructure.
The challenge
In our service laboratory, test specimens and customer requirements change daily. In the morning, it might be a control unit with three LEDs and a 7-segment display; in the afternoon, an industrial panel with a TFT display; and the next day, a medical device with specific limit values. Each customer brings their own evaluation criteria – and expects reproducible results when the same test specimen returns for retesting. Furthermore, expectations for documentation are constantly increasing, even if the standard doesn't explicitly require it. mk-motion significantly simplifies documentation – a benefit for the customer and a safeguard for the service provider.
Häufig stehen zusätzlich Kundenmessgeräte in der Kammer, die keine externe Schnittstelle haben, oder für die es keine Durchführungen gibt – eine Pegelanzeige, ein Manometer, ein Prozessregler. Deren Anzeigewerte können ebenfalls überwacht und dokumentiert werden, bisher manuell durch den Testingenieur.
Evaluate functional criteria – systematically rather than from memory
During immunity tests, the test engineer must observe the operating behavior of the device under test and assign it to a functional criterion – whether in the continuous tests according to EN 61000-4-3 and -4-6, where deviations may be frequency- or level-dependent, or in the transient loads according to EN 61000-4-2, -4-4 and -4-5, where the reaction of the device under test occurs within fractions of a second.
Criterion A – no impairment during the fault. Criterion B – temporary deviation that resolves itself after the fault ends. Criterion C – deviation requiring manual intervention. The engineer makes this assessment; mk-motion provides the necessary data.
During continuous testing across the entire frequency or level range, mk-motion captures deviations with frame-level precision and documents them along with the exact test point. The crucial question – whether the device under test recovered on its own after the disturbance ended – can be objectively verified afterward using the recorded data and video clips, instead of relying on the engineer's memory.
What mk-motion is doing here
Pre-configured templates for a quick start. For the most common monitoring tasks – LED color changes, display malfunctions, brightness monitoring, and more – mk-motion provides ready-made pipeline configurations. Position the ROIs, adjust the thresholds, and you're done.
Save and restore profiles. The complete setup – camera perspectives, ROI positions, pipeline configurations, and thresholds – is saved as a profile. When the device under test returns for re-inspection in three weeks, you simply load the profile and are ready to measure again in no time. Identical monitoring criteria, reproducible results.
OCR and gauge readers read measuring instruments without an interface. Point the camera at the customer's measuring device in the chamber, place the ROI on the display, activate OCR Numerics – mk-motion reads the numerical value and makes it available for evaluation in the pipeline. Specifically trained for 7-segment, 14-segment, and dot-matrix displays.
Open interfaces, no dependencies. Regardless of the EMC test software running in your lab, mk-motion can be integrated via TCP/IP as a data source and monitoring instrument. It is compatible with R&S ELEKTRA, EMC32, BatEMC, Radimation, and custom solutions thanks to its open, documented interface. Bidirectional operation allows you to remotely control mk-motion from within your software. You retain your existing infrastructure and further automate your processes.
Different video sources. mk-motion is optimized for mk-messtechnik EMC cameras and fully leverages its strengths in a network, but also works with any other HDMI, IP (RTSP protocol) or USB camera. Existing camera infrastructure can continue to be used.
Continuous logging for the audit report. All ROI signal waveforms are logged in a database file and can be exported as a CSV file. Combined with the test parameters from the EMC software, this creates a structured database for report generation, including video, all in one place. This provides objective documentation for customer inquiries – detailing what the device under test exhibited, when it occurred, and under which test conditions.