Adjustment Procedures Overview
The following procedures describe adjustments to the current probes and
amplifiers. Before performing the adjustment procedures, do the following:
1. If you are adjusting an amplifier, remove the outer case to gain access to
the adjustments. (See page 62, Disassembly.) Next, attach the Calibration
Adapter to t
he amplifier.
2. If you are adjusting a probe, attach the current probe to the amplifier.
3. Turn the power on and allow the entire system to warm up for a minimum
of 20 minutes. Warm up any test equipment that is listed at the beginning
of the p ro
cedure used.
The recommended calibration interval is one year.
Adjustment information you can make to the amplifiers and probes is available.
(See Table 23.)
Table 2
3: Amplifier and probe adjustments
Adjust
ments
Devic
e
DC gai
n accuracy
Low fr
equency
High f
requency
Ampli
fiers
TCPA
300
(4 adjustments)
TCPA400
Prob
es
TCP
312
TCP305
TCP303
TCP404XL
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual 45
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