IET LAB RS-200 Resistance Substitution Box Basic

Accurate 0.1% to 1%
Wide range from 0.01 Ω - 100 M&Omega (Depending on Model)
Broad choice of standard and optional models with many powerful features
Compact, convenient, and rugged
Now Includes a NIST Traceable Calibration Certificate
Panel Mounting, Shielded Case and Fuse Protection options available
Direct reading and Error proof 
Color Coded

datasheet