User`s guide

Measurement Tutorial 3
U2741A User’s Guide 59
Figure 3-3 Burden voltage in current measurement
V
b
R
s
LO
I
R
Ideal
M
e
t
e
r
V
s
Error(%) =
–100% x V
b
V
s
Vs = Source Voltage
Rs = DUT Source Resistance
Vb = digital multimeter Burden Voltage
R = digital multimeter Current Shunt
User's Guide.book Page 59 Friday, August 8, 2008 9:11 AM