Fluke PM2811 User Manual page 25

Introduction to your PPS
Remote sensing
- S - V
If the voltage drop across the +V and -V wires to the load is substantial, the
voltage at the load will be less than the programmed value. To prevent the voltage
at the load from being less than the programmed value, the sense wires must also
be connected to the load (remote sensing). This way of sensing allows the power
supply to compensate for voltage drops in the wires between the power supply
and the load. The sense wires must be connected directly to the load poles.
Note: Long sense wires are susceptible to noise pickup. To minimize noise
pickup, twist each pair of sense wires together. Shielding around the
sense wires may be necessary in more extreme cases.
+ V + S
load
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