Both the upside and the underside of the base are datum surfaces. With double datum surfaces has more functins than the ordinary

Features:

     Both the upside and the underside of the base are datum surfaces. The slider has two jaws on its left side and right side. The jaw on the sliders left is for the bottom measuring face. The jaw on the sliders right is for the upside measuring face. (When the base is on the inspection surface plate, the surface of the plate is regarded as the extension of bottom measuring face. )

   In case the inspection surface plate is unavailable, the upside of the base can be used as an inspection surface plate.

Measurement can still be done with the sliders right jaw.

The range of application can be widened with some attachments.

Specification:  

Measuring Range	Order No.	Resolution	Pernissible Error
0-300mm	131-303	0.01mm	±0.04mm
0-600mm	131-306	0.01mm	±0.06mm

 

Digital Height Gauge with Double Datum Surfaces