When looking for the best way to measure height or step height, there are a number of important factors to consider, including the shape of the target, the type of measurement system, and the installation environment. Selecting equipment that doesn't adequately meet your needs can lead to insufficient precision and increased man-hours during production, so choosing the right equipment is important. This site is designed to help you discover the best way to perform this measurement with confidence.
找到最佳的测量方法和正确测量“高度/步骤”的设备。
Example Application: Height measurement of dispensers
To efficiently measure the height of a single point, use a reflective laser displacement sensor.
You can measure height at multiple locations by communicating across multiple sensors or by scanning over the target with one sensor.
Example Application: Height measurement of connector terminals
在激光线命中的地方获得了表面的轮廓，从而可以获取相对测量值，例如步进高度。
测量点和参考点之间的高度差的测量。
Even if the target is tilted, step can be measured accurately because the sensor head features an alignment adjustment function.
2D三角剖分方法。
在线多点测量。
World's Fastest sampling rate at 64,000 images/sec.
Multi-color confocal method
线性：±0.2μm
共聚焦位移传感器
示例应用程序：期刊之间的凸轮轴直径
The silhouette of the target is projected, and the step height between two specified features is calculated.
即使将轴倾斜，也可以在使用对齐功能时准确地测量步骤。测量不受目标表面颜色的影响。
2D Telecentric Optical Method. Simultaneous measurement of up to 100 with calibrated high-speed measurement.
Example Application: Height measurement of vehicles
To efficiently measure the height of a single point, use a reflective laser displacement sensor.
You can measure height at multiple locations by communicating across multiple sensors or by scanning over the target with one sensor.
如果光轴不垂直于目标，则为高度值以高度值引起的测量误差，如图1所示。
如果θ大于0.8°，则测量误差约为0.01％，因此，如果您担心其效果，请提前更正倾斜度。
You can easily correct the tilt by preparing one master workpiece and using the scaling settings.
如果目标是透明的对象或具有镜面表面的对象，则必须以与目标相关的倾斜角度安装倾斜的传感器头，该角度是投影和接收光的角度的一半，与目标相关，如图所示图2。
（使用三角剖分方法时。）
Also, if the target is a transparent object, a key point for stable measurement is to have the transparent object be at least as thick as a certain value. If the object is thin, the value measured for the front surface height may be lower than it should be due to the effect of the light reflected from the back surface of the transparent object.
The minimum thickness limits that ensure stable measurement vary depending on the sensor head type, the transparency of the target and the reflectivity of the back surface.
如果2D激光位移传感器的光轴不垂直于目标，则如图3所示，由角度θ引起的测量误差发生在阶跃值中。
The larger the distance (X) between the two points being measured for the step, the greater the measurement error.
For example, even if the tilt θ is only 0.1°, the measurement error becomes approximately 50 μm if X = 30 mm.
Therefore, the tilt correction function is generally used when performing step measurements.
如果在步骤测量中测量的至少一个表面是一个透明的物体或具有镜面表面的物体，请以相关的角度安装倾斜的传感器头，是投影和接收光的角度的一半。到目标，如图4所示。
还必须准备一个专门用于透明对象和带有镜面成品表面的对象的头部。
此外，如果目标是一个透明的对象，则必须至少与一定值一样厚，以便准确测量表面高度。
If the object is thin, the value measured for the front surface height may be lower than it should be due to the effect of the light reflected from the back surface of the transparent object.
The minimum thickness limits that ensure stable measurement vary depending on the sensor head type, the transparency of the target and the reflectivity of the back surface.
When the probe comes into contact with a soft target, the target can be compressed, which leads to a corresponding measurement error.
通过非接触测量，可以测量变形的靶标，例如软靶和液体表面。
对于薄而轻的目标，必须按住目标，以确保其不漂浮在气隙上以准确测量表面高度。
通过接触测量，探测器压在目标表面上，这消除了由于目标漂浮在空气中引起的错误。因此，与非接触方法相比，接触方法更适合这种类型的测量方法。
非接触式激光位移sensor, the measurement spot (which ranges from a few micrometers to hundreds of micrometers in size) is generally smaller than the probes used in contact measurement. This makes it possible to accurately measure the base height of more narrow indentations with the non-contact method.
