Herholdt’s Lab Log
From four to three DIN modules: what had to be redesigned for a compact three-phase MID meter
Corporate Cybersecurity: what it means to be a NIS2 Important Entity for an electrical equipment manufacturer
Cybersecurity for an industrial meter: what changes by December 2027
The Firmware Architecture of a Meter: four levels of customization, one word used for all of them
DC and Bidirectional Measurement in Energy Meters: where the architecture inherited from AC breaks down
Current Sensors in Energy Meters: Shunt, CT, Rogowski, Hall Effect. Why the measurement front end defines the entire design
Thermal Management in Energy Meter Design: why your measurement element is also your biggest heat source
EMC Compliance for Energy Meters: the invisible problem that kills projects
Electrical Safety in Energy Meter Design: Creepage, Clearance, and what your Supplier should get right
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