This line represents the highest accuracy version of the IET Labs resistance substituters for use in the most exacting calibration and test applications. A continuous rheostat control is available as an option.

• High accuracy - 20 ppm

• High stability - 5 ppm/yr

• Low temperature coefficient - as low as 3 ppm/°C

• High performance solid silver contact switches

• Resistance from 10 mΩ to over 12.1 MΩ

• 1 μΩ or optional 20 μΩ resolution

• Hermetically sealed, low inductance resistors

• Precise fixed minimum resistance