Performance Verification Overview
5-2
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
Table 5- 2: Probe performance verification checks (Cont.)
Probe RisetimeBandwidthDC gain accuracy
TCP303
TCP404XL
Test Procedure Conditions
These procedures are valid only under the following conditions:
H The system h as been calibrated at an ambient temperature of 23_ ±5 _C.
H The system is operating in an environment whose limits are described in
Table4--6onpage4--5.
H The system, including probe, has had a warm-up period of at least
20 minutes.
H The probe degauss/autobalance routine has been performed after the
20-minute warm-up period.
Equipment Preparation
Before performing the verification tests, turn all equipment on and allow the
entire system to warm up for a minimum of 20 minutes.
NOTE. Before performing any verification procedure, properly degauss the
probe. Remove the probe from any current-carrying conductor, lock the probe,
and press the amplifier PROBE DEGAUSS AUTOBALANCE button. The
degauss/autobalance routine is complete when the indicator light turns green.
The amplifier front panel will light the NOT TERMINATED INTO 50 Ω LED
during the degauss/ autobalance routine if the amplifier is not properly
terminated into 50 Ω. Verify that the oscilloscope input is 50 Ω and set to DC
coupling. Use a 50 Ω feedthrough termination, attached at the oscilloscope
input, if necessary.
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