Single and double channel Two-wire, Three-wire, Four-wire RTD (PT100, PT10, CU50, CU100) measuring SummaryHX213 is high performance, ... Single and double channel Two-wire, Three-wire, Four-wire RTD(PT100, PT10, CU50, CU100) measuring .3 With cold junction ... 1 mΩ ±(0.02%RD+0.005%FS)Three-wire RTD (0~400.000)Ω 1 mΩ ±(0.02%RD+0. ... 005%FS)Four- wire RTD (0~400.000)Ω 1 mΩ ±(0.01%RD+0.005 ...