Single and double channel 2-wire, 3-wire, 4wire RTD (PT100, PT10, CU50, CU100) measurement SummaryHX213 is ... .2 Single and double channel Two-wire, Three-wire, Four-wire RTD(PT100, PT10, CU50, CU100) measuring .3 With cold junction compensation single & ... 000)Ω 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+ ...