Kett 94i-II Page 13 Operating Manual Download | Manualshive

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8. Technical information

● Driving force generated by VCM calculated using a strain gauge (Actual measurement example)

1. Characteristics and Performance

● VCM driving force constant calculated using a strain gauge (Actual measurement example)

● Calculation error due to circuit resolution.

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Summary of Contents for 94i-II

Page 1: ...Operating Manual Thank you for purchasing this product Please read the operating manual carefully and use this product properly Friction Tester Muse TYPE 94i ll...

Page 2: ......

Page 3: ...uction 4 2 Specifications 5 3 External View and Part Names 6 4 Measurement Principle 7 5 The VCM Principle 8 6 Using the Portable Friction Meter 9 7 Notes regarding use 11 8 Technical information 13 9...

Page 4: ...jects In the past static friction was typically measured using the incline method and a strain gauge However this method posses many difficulties when used in confined spaces such as laboratories etc...

Page 5: ...rovided in part 7 Characteristics and Performance Display resolution 0 001 Detector VCM Photo sensor Display 7 Segment LED RED 4 digits Materials Main Unit ABS Aluminum Slider Brass hard chrome treate...

Page 6: ...splay Panel 2 Average Button 3 Power Button 4 Measure Button 5 Main Unit 6 Bottom Plate 7 Slider 8 Battery Case 9 Slider Holder 0 AC Adapter Connector Data Output Connector 0 3 External View and Part...

Page 7: ...ed in Diagram 1 below when an object of weight W is placed upon a surface which is gradually inclined at an increasing angle at some angle of inclination the acceleration of gravity acting upon the ob...

Page 8: ...force move at right angles to each other This results in a force being applied to the coil assembly This force is proportional to the value of the current passing through the coil Because this is effi...

Page 9: ...samples The displayed coefficient of friction is calculated based upon the weight of the slider 30g It is therefore necessary to take the weight of the attached samples into consideration When measur...

Page 10: ...e holder back into the unit replace the cover and then replace the screws which hold it in place 4 Measurement Method Place the object to be measured upon a horizontal surface and set the unit down ge...

Page 11: ...t used for a long period of time store it in the case because it should be protected from dust 2 Precautions in measuring Conduct measurement at a horizontal and vibration free place Measurement canno...

Page 12: ...he surface If the sample surface is still dirty even after the operation above stained with grease for example use an organic solvent such as thinner and benzine to wipe the surface Be careful about t...

Page 13: ...generated by VCM calculated using a strain gauge Actual measurement example 1 Characteristics and Performance VCM driving force constant calculated using a strain gauge Actual measurement example Cal...

Page 14: ...be reversed The rough texture felt by your finger is caused by that your finger is caught by unevenness on the surface However when measurement is conducted with the standard slider the slider slides...

Page 15: ...to be replaced Err2 Communication function Check the cable Err3 Zero return incapability error A malfunction occurred Contact our sales division Lo Insufficient power supply voltage Battery needs to...

Page 16: ...MEMO...

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Page 20: ...displayed on this manual may differ from the actual ones however operations and functions are not affected All efforts have been made to ensure the contents of this manual are accurate However if you...

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