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24
Gain Accuracy
WARNING
Dangerous voltages will be present on the generator/calibrator output terminals and
connection cables. Always verify that the generator/calibrator is in the standby mode
before you make any connections to the generator.
Des tensions dangereuses seront présentes sur les bornes de sortie du générateur/
AVERTISSEMENT
calibrateur et les câbles de connexion. Vérifiez toujours que le générateur/calibrateur
est en mode veille avant d'effectuer des connexions au générateur.
1.
Verify that the generator/calibrator output is in standby.
2.
Connect the probe output directly to the DMM through the BNC female to 4 mm double banana
plugs adapter.
DMM
BNC f to double
banana plugs
3.
Connect the probe's input leads to the generator/calibrator outputs using banana plug adapters.
4.
Set the DMM to AC volts.
5.
Set the probe's attenuation range and the generator/calibrator to square wave output, frequency
and RMS voltage to the values show in "Table 8 Gain Accuracy Equipment Setting" on page 24,
for the probe being tested.
6.
Enable the generator/calibrator output and record the probe output (as displayed on the DMM) in
the table.
7.
Place the generator/calibrator output in standby.
8.
Set the probe attenuation to the next range and repeat steps 5 through 8.
Table 8
Gain Accuracy Equipment Setting
Probe
Model
Range
CT4447-1
10x
CT4447-1
100x
CT4447-2
20x
CT4447-2
200x
2
Differential Probe
Generator/Calibrator
Voltage
Frequency
10 Vrms
100 Hz
30 Vrms
100 Hz
20 Vrms
100 Hz
60 Vrms
100 Hz
CT4447 Series High-Voltage Differential Probes User Manual
4 mm banana
1
plug to jack
3
Generator/Calibrator
Probe Output
Expected (rms)
Measured (rms)
1000 mV ±20 mV
300 mV ±6 mV
1000 mV ±20 mV
300 mV ±6 mV
GA01-A-451043001
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