譯 英文証明信

It is to certify that Protimeter Surveymaster, Model No. SM BLD5360 is the upgrade version of Protimeter Surveymaster SM BLD5350. Their functional design specifications and usage are identical, whereas the Protimeter Surveymaster SM BLD5360 is even lighter in weight. It weighs only 100 gms but the gaugeable depth can be extended to 19mm.

This is to certify that Protimeter Surveymaster SM BLD5360 is the new version (Model) of Protimeter Surveymaster SM BLD5350. The functioning, design and usage are the same. However, the newer model is much lighter (100gms) and with an ability of deeper measurement for 19mm.