TCPA300 and TCPA400 Performance Verification
5-8
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
d. Calculate the %Error between the measured output, M
1
, and the
expected output (V
E
)%Errorasfollows:
%Error =
M
1
− V
E
V
E
× 100
For example, using an expected output V
E
of 2.5000 V and a measured
output M
1
of 2.510, the %Error would be:
%Error =
2.5100 − 2.5000
2.5000
× 100 =+0.4%
NOTE. It is important that the correct polarity be used to calculate the %Error.
6. Verify that the measured DC gain accuracy is within the limits specified for
all settings in the test record on page 5-- 16 for the TCPA300 (page 5--17 for
the TCPA400). Record the %Error in the test record.
NOTE. If the %Error on any of the settings is greater than the specified limit, you
must perform the adjustment procedure that begins on page 6--3.
7. Disconnect the DMM cable from the amplifier and the calibration adapter
from the current source.
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