Calibration of Digital Micrometers 0-25 mm and 25-50 mm: Complete Operating Procedure (ISO 3611 / ISO 17025)

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This dashboard centralizes reference standards, MPEs, and calibration intervals for 9 families of measuring instruments commonly used in industrial workshops, in accordance with ISO 17025 requirements.

Metrological Comparative Table — 9 Instrument Families

Instrument Reference Standard Typical MPE Interval Detailed Guide
Digital Micrometer NF EN ISO 3611 ±0.003 mm 12 months → Guide
Digital Caliper NF EN ISO 13385-1 ±0.020 mm 12 months → Guide
Digital Thermometer FD X 07-011 Guide ±0.5°C / ±1.0°C 12 months → Guide
Electronic Balance Euramet cg-18 ±100 to ±16.7 ppm 12 months → Guide
Dial Indicator NF EN ISO 463 ±0.005 mm 12 months
Depth Gauge NF EN ISO 13225 ±0.030 mm 12 months
Plain Plug Gauge NF EN ISO 1938-1 IT6 to IT8 24 months
Plain Ring Gauge NF EN ISO 1938-1 IT6 to IT8 24 months
Measuring Microscope VDI/VDE 2617 ±0.002 mm 12 months

💡 Intervals can be extended to 24 months after 3 successive compliant calibrations using the OIML D10 method.

Legend

  • MPE: Maximum Permissible Error according to the applicable standard
  • Interval: Maximum interval between two calibrations (extendable via OIML D10)
  • Traceability: Chain of traceability to LNE or COFRAC accredited laboratory

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