Performance Verification Overview
The Performance Verification tests allow you to demonstrate that the Current Probe
Amplifier and Current Probes meet their specified levels of performance. Since
the TCPA300 a
nd TCPA400 cannot operate without a current probe, a calibration
adapter is used to verify the amplifier(s) separately. The TCPA Calibration
Adapter is an optional accessory–see Replaceable Parts for part numbers. After
you have verified the amplifier performance independent of the current probe(s),
you can check the performance of current probes with confidence.
Tolerances that are specified in these procedures apply to the amplifiers and
current probes and do not include test equipment error. The recommended
calibration interval is one year.
Performance Verification and Functional Checks
The warranted specifications for the amplifiers that a re checked in the performance
verific
ation procedures are listed as shown. Warranted values are available.
Functional checks are included for you to verify proper amplifier operation.
Table 1: Amplifier checks
Performance verification Functional checks
Ampl
ifier
DC g a in
accu
racy
Band
width
Fron
t-panel
AC co
upling
Dega
uss
Over
load
1
TCPA
300
TCPA400
1
With probe attached
The warranted specifications for the probes that are checked in the performance
verification p rocedures are listed as shown. (See Table 2.)
Ta
ble 2: Probe performance verification checks
Probe DC gain accuracy Bandwidth Risetime
TCP312
TCP305
TCP303
TCP404XL
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual 1
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