Proving Rings

Proving Rings have a repeatability of 0.2% and an accuracy of 1% or better. They are supplied with a dial indicator, 0.2 in range and 0.0001 in divisions.

The rings have tapped female ends, 1/2 in - 20 threads. Each ring is supplied with a calibration chart.

Model	Description	Accuracy	Sensitivity lbf/Div
E-708	250 lbf (1.1 kN)	1/2%	.25
E-710	500 lbf (1.1 kN)	1/2%	0.5
E-711	1000 lbf (1.1 kN)	1%	1.0
E-712	2000 lbf (1.1 kN)	1%	2.0
E-713	2500 lbf (1.1 kN)	1%	2.5
E-714	5000 lbf (1.1 kN)	1%	5
E-716	10000 lbf (1.1 kN)	1%	20.0