全接觸式測量原理
The magnetic, knife-shaped measuring wheel maintains full contact with the measured profile throughout the entire measuring process, ensuring that the actual profile is measured. Combined with rotating high-resolution optical encoders, 30,000 individual data points collected in a single measurement, and an accuracy of 9–11 µm, a full-contact MiniProf measurement is approximately ten times more accurate than comparable non-contact laser-based measuring systems on the market and reflects the true condition of the measured profile.
全接觸式VS.非接觸式
Contrary to a full contact measurement, similar non-contact laser-based handheld measurements are made without actual contact to the measured profile. This demands an extremely high level of profile attendance prior to measuring as the laser does not distinguish between the profile and any layers of dirt, oil, grease etc. If the profile is not cleaned thoroughly, a laser-based measurement will reflect the profile surface plus any unremoved layers. Obviously, if the collected data does not reflect the actual profile, it can have critical consequences for following decisions in maintenance, safety and budgets. Do you trust your measurement?
What do you measure? The actual profile or the accumulated surface?
No sensitivity to reflecting light
A MiniProf system is suitable for use in any working environment as the full contact measuring principle is not challenged by environmental factors.
In contrast, the non-contact measuring principle can be severely challenged by reflective surfaces from the sun, white frost, rain drops, dew on the rails etc. Even reflections from newly turned wheels or rails can disrupt a non-contact measurement.
The environmental sensitivity should therefore be considered carefully when working with laser-based equipment, especially in specific geographical areas dominated by sun, rain or snow and in manufacturing and reprofiling facilities.
Never underestimate the importance of a full contact measurement!
環境因素
全接觸式MiniProf系統適用於絕大多數環境類型。非接觸式（鐳射）測量系統會受下列因素嚴重干擾。
污漬
潤滑材料
反光
沙子
雨滴
反光的車輪
雪
白霜
full contact measuring principle
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