We use the larger 6" cone with the gallon jug. moisture content is usually within 1 - 2%. Holes are close to the same in volume. 500g moisture sample size.
I do independent assurance testing in our department. One of the issues I face is when doing a side by side sand cone test with another technician we are at times 4 - 6 pounds different on our wet density. These tests are done no more than a foot away from each other in the same material. It is...
