Draw tester
Draw Tester is an alternative name for a bow scale. A bow scale is a tool used to test the draw weight, or poundage of a bow.
From the Book of War
1.4.8.2 The maximum poundage allowed on a bow is 35 lbs pull at 28 inches of draw.
1.4.8.3 The maximum poundage allowed on a crossbow is 15 lbs at its loaded draw.
See also: Inspecting Arrows and Bows