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Testo 470, the ideal combination of optical and mechanical rpm measurement. An optical measurement becomes a mechanical measurement by simply attaching an adapter for probe tip or surface speed disc. 
- Easy one-hand operation
- Measurement of rpm, speeds and lengths
- “Low Batt” warning
- Robust design with SoftCase (protective case)
- Storage of mean/max./min. values, last reading
- Measurement distance up to 600 mm (optical measurement)
- Measurement of rpm
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