images provided for illustrative purposes only
ASTM E19-46 Grain Sizing Disc
Eyepiece Reticle to ASTM E19-46
G45
£149.63 - £178.11
Thank you for your quote request, we will be in touch shortly.
Circular pattern with 10 different segments each with a progressively smaller pattern for grain size analysis.
15mm
Soda Lime 1.5mm thick
+0/-0.1mm
Correct reading through glass