ADCMT 6166 - Error Due to Cable Resistance in 4-Wire Connection; Cable Resistance Per Meter

6166 DC Voltage Current Source Operation Manual
5.1.2 2-Wire and 4-Wire Connections
5-3
Table 5-1 Error Due to Cable Resistance in 4-Wire Connection
Range r1/r4 Error
1 V 250 m Approx. 0.001 %
10 V 1  Approx. 0.001 %
100 V 10  Approx. 0.001 %
1000 V 100  Approx. 0.001 %
Table 5-2 Cable Resistance per Meter
Nominal cross
sectional area
Conductor resistance
0.08 mm
2
Approx. 270 m/m
0.2 mm
2
Approx. 100 m/m
0.3 mm
2
Approx. 62 m/m
0.5 mm
2
Approx. 37 m/m