You could also do a liquid measure. If you're doing a large volume at a time you could place a resovoire on the digitals. Zero them out. Melt your test-e down just warm enough to where it's toally liquid.
Use a 10 ml. syringe and draw up the liquid and add into the resovoire until your digitals read where you need to be.
Use a 10 ml. syringe and draw up the liquid and add into the resovoire until your digitals read where you need to be.