The Testo 470 tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all. With this handy instrument, you can also determine speeds and lengths (e.g. of conveyor belts and rotors). Product benefits: Simple one-hand operation Measurement of rpm, speeds and lengths Storage of mean, max. and min. values as well as the last reading Includes accessories such as reflective markers, protective case and transport case Specifications of Testo 470 tachometer Measurement range (RPM) 100 to 99,999 rpm (optical) / 100 to 19,999 rpm (mechanical) Measurement distance Up to 600 mm (optical with reflective marker) Accuracy ±0.02% of final value Resolution 0.1 rpm (≤9,999 rpm), 1 rpm (>10,000 rpm) Display LCD with mean, max, min, and last value storage Operating temperature 0 °C to +50 °C Power supply 2 × AA batteries Battery life ~40 hours continuous use Dimensions 144 × 58 × 24 mm Weight ~85 g (without accessories) Standards ISO calibration available (optional) FAQs 1. What does it measure? RPM of rotating objects, plus speeds and lengths of conveyor belts and rotors. 2. How does optical measurement work? Attach a reflective marker, aim the red beam, and measure from up to 600 mm away. 3. Can it be measured mechanically? Yes, with probe tip or wheel adapter for direct contact RPM and length measurement.
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