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Point Finder is a high precision 3D touch sensor (probe) which is enable to do any kind of measurements, such as reference position, inside / outside diameter, centering, angle, groove width, and height.
All model has nonmagnetic stylus, and its repeatability is assured of ±0.5μm with the standard length stylus.
There are 5 models as PTN, PTC, WP, SPi, WPi.

Features of the Point Finder Series

  • High precision 3D touch sensor (probe) 'Point Finder series' is enable to do any kind of measurements such as reference position, inside/outside diameters, centering, angle, groove width, and height.
    For the ultrahigh-precision 3D touch sensor → 【Centering Gauge Swing Type】
  • Safety design enables the stylus swing toward X, Y and Z-axes directions and prevents the Point Finder itself from breakage.
  • Four LEDs light up when the stylus touches to a workpiece.
  • As for PTC (Point finder with a buzzer), three LEDs light up and the buzzer let you know when the stylus touches to a workpiece.
  • With nonmagnetic stylus, magnetic force doesn't affect to the measuring.
    → Check the details of 【Nonmagnetic Stylus】
  • Water-proof Point Finder meets IP67, which is the standard cord to show the degree of protection against dust or water by International Electrotechnical Commission, so it can be used at the factory where the Point Finder would get wet by cutting fluid and be exposed to dust.
Point Finder
[External Contact Type]
Point Finder-i
[Internal Contact Type]
iron, nonferrous metal Measurable material metal, nonmetal (plastic, wood...)
XY-axes ±11.5mm Stylus stroke XY-axes ±6mm
Z-axis +5mm Z-axis +5mm
±0.5μm
(±1μm with the 80mm stylus)
Repeatability (*1) ±0.5μm
XY-axes 0.001N Measuring pressure XY-axes 0.3N
Z-axis 0.001N Z-axis 1.5N
φ1、φ2、φ3、φ4、φ5、φ6 Stylus tip diameter φ2、φ3、φ6
ST-6×40NM(*2) Standard stylus ST-6×29NM(*2)
PTC series has a buzzer Other feature available to MC with a ceramic spindle

*1:'Repeatability' is a level to show the repeat accuracy of the standard stylus
   when it returns to the original position.
*2:You can change the size of stylus instead of the standard one.
   For details, refer to 【Nonmagnetic Stylus】

How to Measure

Point Finder series are available to measure any position and angle.

 Point Finder makes it possible to do any kind of measurements such as reference position, inside/outside diameters, centering, angle, groove width, and height. Those measurements are very important before metal working.

 With a point finder, it is easy to measure the angle of narrow workpieces, which angle gauges can't measure, on the machining center.

point finder makes it easy to measure angle of a workpiece.

print out the features, measuring method, specifications and dimensions of point finder series.