Resistance Decades   Ranges Characteristics Model 10 mOhm - 100 MOhm Precision resistance decade boxes for resistance simulations 1405 / 06 / 07 / 08 / 09 1 Ohm - 1,2 MOhm Error tolerance 0.005 %, Temperature coeffi cient < 1 ppm/K, Simulation of RTD (Pt, Ni), Error tolerance 0.02 °C, RS232 (IEEE488 optional) 1427 10 mOhm - 100 MOhm Modular resistance decade system for resistance simulations 1440