Defelsko's certified SPG standard board STDSPG is used to verify the accuracy and operation of surface profile depth micrometers, including the PosiTector SPG, and is an important part of meeting ISO and internal quality control requirements.
It is used to verify the accuracy and operation of the surface profile depth micrometer
Ideal for use in calibration labs
Standard includes 4 sapphire test plates, housed in a precision-ground steel base, and supplied with a hard-shell case
Sapphire test plates are individually serialized and traceable to the PTB – including a calibration certificate
Both metric and imperial units are certified and marked
A sample accuracy certificate is included
Made in the USA.
