https://ib-niklas.de/en/knowledge/Technical articles on test engineering, retrofit and machine safetyen-gb https://ib-niklas.de/en/knowledge/surge-testing-motor-windingshttps://ib-niklas.de/en/knowledge/surge-testing-motor-windingsSat, 07 Nov 2026 08:00:00 +0100Test engineeringResonant circuit, test voltage to EASA AR100 and IEEE 522, error area ratio EAR, procedure and buying criteria: how the surge test finds interturn faults that other measurements miss. https://ib-niklas.de/en/knowledge/plc-migration-s7-1500https://ib-niklas.de/en/knowledge/plc-migration-s7-1500Sat, 07 Nov 2026 08:00:00 +0100RetrofitFailure risk, data backup, I/O reserve, cycle time, program conversion, safety technology and signal test: how a PLC migration to S7-1500 or Beckhoff becomes plannable and what determines the effort. https://ib-niklas.de/en/knowledge/pump-testing-iso-9906https://ib-niklas.de/en/knowledge/pump-testing-iso-9906Sat, 07 Nov 2026 08:00:00 +0100Test engineeringTolerances of grades 1B, 2B and 3B, head and efficiency with a worked example, measurement uncertainty, NPSH3 and test procedure: how a pump test to DIN EN ISO 9906 runs on the test bench. https://ib-niklas.de/en/knowledge/machinery-regulation-2027https://ib-niklas.de/en/knowledge/machinery-regulation-2027Sat, 07 Nov 2026 08:00:00 +0100Machine safetyCut-off date, substantial modification during a retrofit, PLr and PFH, cybersecurity, digital operating instructions, notified bodies and what operators should do by 2027: the Machinery Regulation (EU) 2023/1230 in practice. https://ib-niklas.de/en/knowledge/test-bench-specificationhttps://ib-niklas.de/en/knowledge/test-bench-specificationSat, 07 Nov 2026 08:00:00 +0100Test engineeringTest items, power, measurement uncertainty, cycle time, energy and acceptance with formulas and worked examples: what a requirements specification for a test bench must contain. https://ib-niklas.de/en/knowledge/ai-visual-inspection-final-inspectionhttps://ib-niklas.de/en/knowledge/ai-visual-inspection-final-inspectionSat, 07 Nov 2026 08:00:00 +0100Test engineeringResolution, lens, exposure, sample parts, escapes and false rejects with formulas and worked examples: how to design an AI vision inspection and accept it. https://ib-niklas.de/en/knowledge/testing-gearboxes-after-repairhttps://ib-niklas.de/en/knowledge/testing-gearboxes-after-repairSat, 07 Nov 2026 08:00:00 +0100Test engineeringNo-load or load, efficiency with a worked example, torque measurement errors, back-to-back or regenerative load, contact pattern, temperature and vibration to ISO 20816-9: how to test a repaired gearbox before installation. https://ib-niklas.de/en/knowledge/test-report-en-60204-1https://ib-niklas.de/en/knowledge/test-report-en-60204-1Thu, 29 Oct 2026 08:00:00 +0100Testing servicesWhat a test report to clause 18 of EN 60204-1 contains: protective conductor, loop impedance, insulation, voltage test, residual voltage and function, with limit values, worked examples and a report template. https://ib-niklas.de/en/knowledge/measuring-motor-windingshttps://ib-niklas.de/en/knowledge/measuring-motor-windingsThu, 29 Oct 2026 08:00:00 +0100Test engineeringWinding resistance, unbalance, insulation testing to IEEE 43, PI value and DAR: measuring procedure, formulas, limit values and decision rules for motor testing. https://ib-niklas.de/en/knowledge/test-station-checklist-en-50191https://ib-niklas.de/en/knowledge/test-station-checklist-en-50191Thu, 29 Oct 2026 08:00:00 +0100Test engineeringChecklist for a test station to DIN EN 50191: designs, emergency stop, signal lamps, safety distances, discharge time, safety test probes, staff and the question of whether you set it up yourself or buy it ready-made.