Major tech MT952 Інструкція з експлуатації - Сторінка 7
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Y/M: Contact Yard per minute measurements.
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REV: Revolution measurements.
M: Length measurements in the unit of meter. (Using the
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master 10cm circumference wheel.)
In: Length measurements in the unit of inch. (Using the master
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10cm circumference wheel.)
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FT: Length measurements in the unit of feet. (Using the master
10cm circumference wheel.)
Yd: Length measurements in the unit of yard. (Using the
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master 10cm circumference wheel.)
6. Measuring Consideration
1.
Reflective mark
Cut the adhesive tape provide into approx 12mm (0.5")
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squares and apply one square to each rotation shaft.
The non-reflective area must always be greater than the
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reflective area.
If the shaft is normally reflective, it must be covered with
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black tape or black paint before attaching reflective tape
Shaft surface must be clean and smooth before applying
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reflective tape.
2.
Very Low Rpm Measurement
As it is easy to get high resolution and fast sampling time.
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If measuring the very low RPM values, suggest user to
attach more "REFLECTIVE MARKS" averagely. Then divide
the reading shown by the number of "REFLECTIVE
MARKS" averagely. Then divide the reading shown by the
number of "REFLECTIVE MARKS" to get the real RPM