Calibration/ Substitution, 8 Decade-Thumb Wheel Resistance Boxes For simulating resistance transducers and for laboratory, industrial and educational use. Required resistance is set by clearly marked thumbwheel switches, colour coded to aid identification.Model10511040Zero residual resistanceAccuracy100 to 100 k10 M decade: 1cades: 0.10 to 1 M10 decades: 0.5cades: 0.1ecades: 1 decades: 0.5%0.1 decades: 5ecade: 1%0.01 decades: 10%Temperature coefficient100 p.p.m./C50 p.p.m./C