The Starrett 3811A is a state-of-the-art, digital portable hardness tester.  The 3811A is designed
to test hardness of large hard metal parts.
The 3811A combines fast test speeds coupled with ample memory and output.
It performs tests that easily convert to most popular hardness scales such as Rockwell, Brinell,
Vickers and Shore.
•  Accuracy:  ±0.5% (referred to L=800).
• Repeatability accuracy:  ± 4L units
L=Leeb.
• Measuring range:  200-960 HL
 For steel and cast steel, alloy tool steel,
stainless steel, gray cast iron, spheroidal
iron, cast aluminium, brass, bronze,
wrought copper alloy.
 Tool steel should be 25.4mm (1”) thick
solid material or larger.
• operating temperatures:  5-104˚F
• Dimensions:  150 x 74 x 32mm
 (5.96” x 2.938” x 1.270”).
• Weight:  245gms.