Dial Comparator Indicator

Dial Comparator Indicator

Item #: 57-065-116
Model #: 647M
Type: Comparator
Accuracy Grade: DIN879-1

Need a different size, length or brand?

View Product Group Page


  • The Starrett 647 Dial Comparator Indicators offer a high degree of security and precision.
  • They are based on a solid and well thought-out construction taking into account the latest technology.


  • Effective non-shock mechanism.
  • Pinions and shafts of the movement are jeweled.
  • After removal of the safety cap the adjustment screw on top of the case allows simple and safe zero setting of the instrument over the total measuring range.
  • A safety cap prevents unintentional turning of the fine adjustment screws.
  • Stem and spindle are made of hardened stainless steel.
  • The measuring spindles are very sensitive on account of their accurate guides.
  • Additional over travel assists with the insertion of workpieces into the measuring device.
  • The clear scale is shadow free.
  • The red tolerance markers are easy to recognize and to set.
  • Furnished with flat back.
Ships direct from factory.
STARRETT 0.1mm Dial Comparator Indicator
Product Specifications
Model # 647M
Type Comparator
Accuracy Grade DIN879-1
Dial Color Yellow
Dial Reading 50-0-50
Graduation .001mm
Indicator Range 0.1mm
Measuring Force 1.2N
Measuring Range 0 ~ 0.1mm
Prop. 65 Yes
Range 0 ~ 0.1mm
Reading 50-0-50
Spindle Thread M2.5 x .45
Stem Diameter 8mm
Travel Range 3.0mm
weight 1 lbs
Country of Origin GERMANY
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.