Fluke Hart Scientific 9150 User Manual page 20

9150 Portable Furnace
User's Guide
18
• Insert A Model 3150-2 (variety block): 1/2", 1/4", 3/8", 3/16", 1/8", and
1/16" holes
• Insert B Model 3150-3 (comparison block): two each 3/8", 1/4", and
3/16" holes
or
• Insert C Model 3150-4 (1/4" comparison block): six 1/4" holes