
M
14
______________________________________________________________________________________
__________________
VOLTAGE
MEASUREMENT
MEASURED
RESISTANCE
CURRENT SOURCE
FORCE CURRENT
FORCE CURRENT
SENSE VOLTAGE
SENSE VOLTAGE
WIRE AND TERMINAL RESISTANCE
4-WIRE RESISTANCE MEASUREMENT (CONSTANT CURRENT)
VOLTAGE
MEASUREMENT
MEASURED
RESISTANCE
VOLTAGE SOURCE
FORCE VOLTAGE
FORCE VOLTAGE
SENSE VOLTAGE
SENSE VOLTAGE
WIRE AND TERMINAL RESISTANCE
4-WIRE RESISTANCE MEASUREMENT (CONSTANT VOLTAGE)
VOLTAGE
MEASUREMENT
FEED-
BACK
LOAD
CURRENT SOURCE
FORCE CURRENT
FORCE CURRENT
SENSE VOLTAGE
SENSE VOLTAGE
WIRE AND TERMINAL RESISTANCE
4-WIRE POWER SUPPLY
V
V
V
V
FEED-
BACK
ARROWS INDICATE SIGNAL DIRECTION, NOT POLARITY