TCP303 and TCP404XL Adjustments
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
6-19
Make or check the equipment settings in Table 6--10:
Table 6- 10: Equipment settings for DC gain accuracy
Digital multimeter
Measurement Ty pe AC volts, autorange
Current source
Output waveshape/f requency Squarewave, 40 Hz
Output Off
TCPA300 and TCPA400
Coupling DC
Range:
TCP303
5A/V
1. Do not clamp the current probe around any conductor, but make sure the
jaws are locked shut.
2. Press the amplifier PROBE DEGAUSS AUTOBALANCE button. Wait for
the degauss/autobalance routine to complete before proceeding. The routine
is complete when the indicator light turns green.
3. Connect the current probe to the appropriate current loop. (One-turn for the
TCP303 and 5-turn for the TCP404XL.)
4. Refer to Table 6--11 and perform the following steps:
a. Set the current source output to the correct current level.
b. Enable the output of the current source.
c. Adjust the DC gain adjustment on the probe to the expected output value
shown in Table 6--11.
Table 6- 11: DC gain accuracy adjustments for the TCP303 and TCP404XL
Probe Range
Current
source out-
put (A pk)
Expected
output, V
E
(mVAC)
Minimum
output,
mVAC
Maximum
output,
mVAC
TCP303
5A/V 1.5 A 300.00 299.00 301.10
TCP404XL
1A/mV 5A 25.00 24.91 25. 09
5. Remove the probe from the current loop.
Equipment Sett ings
Procedure
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