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21 | P a g e
Yes
Yes (with
inductive
pickup)
Yes
Yes
No
Hall Effect
Sensor
Current
Transformer
Magneto
Resistive Field
Sensor
Shunt Resistor
No
Yes
No
Requires
External
Power
Galvanic
Isolation
Method of
Measurement
High
Low
Yes (If
resistance is
small to
minimise
losses)
Low
High
Susceptibility
to
Interference
Yes
No
Yes
Output
Requires
Amplification
Yes
Yes
No
Yes
DC
Measurement
Low (below 80°C)
Moderate (>80°C, <120°C)
High (>120°C)
Low (Full Bridge)
High (Half Bridge)
Low
Low (Full Bridge)
High (Half Bridge)
Susceptibility to
Temperature Drift
Table 15 - Current Measurement Method Comparison
Yes
Yes
Yes
Yes
AC
Measurement