The world‘s largest internal micrometer up to 1150mm

Our MICROTEST® system is the only one that can measure bore holes from Ø 400 mm to Ø 1150 mm precise and accurate.
Based on our normal construction we produce an instrument with an unrivalled accuracy. These instruments are very light build and come with extra hard ratchets to achieve prefect self centring in a big bore hole. The instruments are suitable for both vertical and horizontal applications.


Available measuring ranges are: 
Ø 400 – 650 mm
Ø 650 – 900 mm
Ø 900 – 1150 mm

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