TCPA300 and TCPA400 Performance Verification
Table 10: Maxim
um current ratings for TCPA300-compatible probes
Probe model Range
Maximum
current
rating, Amps
Current loop
used for test
1
Current
source
output, Amps
TCP312 10 A/V
±30 5 T ±6
TCP305 10 A/V
±50 5 T ±10
TCP303 50 A/V
±212
2
50 T ±4.24
1
(See page 4, Making DC Current Loops.)
2
The TCP303 is a 150 A RMS probe with a peak current of 212 A. Apply current for only a short amount of time.
5. Slowly increase t he output of the current source until the OVERLOAD LED
on the amplifier is on.
WARNING. Do not leave the current turned up longer than necessary - damage to
the equip
ment or personal injury m ay result.
6. Decrease the output of the current source to zero.
7. Record the results (pass/fail) on the test record.
8. Repeat steps 3 through 7 for the opposite polarity.
This completes the performance verification for the amplifiers.
If the TCPA300 or TCPA400 amplifier fails any of the verification tests, refer to
the Adjustments section for servicing information.
16 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual
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