TCP305 and TCP312 Performance Verification
Table 13: DC gai
n accuracy test for the TCP305 and TCP312
Probe Range
Current
source
output (AD C)
Expected
output, V
E
(VAC) M1 (VDC) M2 (VDC)
M1-M2
(VDC)
%Error,
calculated
±1.00 A ±1.00 V
±3.00 A ±3.00 V
5A/V
±5.00 A ±5.00 V
±2.00 A ±1.00 V
±6.00 A ±3.00 V
TCP305
10 A/V
±10.00 A ±5.00 V
±0.20 A ±1.00 V
±0.60 A ±3.00 V
1A/V
±1.00 A ±5.00 V
±1.20 A ±0.60 V
±3.60 A ±1.80 V
TCP312
10 A/V
±6.00 A ±3.00 V
g. Verify that the measured output (M1-M2) is within the warranted
specification listed, by computing %Error as follows:
For example, you may measure values of 0.990 V for M1 and -0.998 V for M2.
With an expected V
E
of 1.0 V, you compute the %Error as follows:
5. Record the results on the test record.
6. Disconnect the DMM cable from the amplifier and the probe from the 5T coil.
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual 23
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