Constant elongation stress meter

Product parameters:
Indicator value :0.1nm
Measurement accuracy: <2nm
Rezero error :< 2nm
Optical path difference value :0.1nm
Angle value :0.1°
Polarization field diameter :150mm
Scope of application: Polarizing stress meter is widely used in ampoules, oral liquid bottles, Xylin bottles, infusion bottles, wine bottles, condiment bottles, cans and other glass products internal stress measurement.
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