Calibration
4-7
Step A: Measure the voltage between Φ1/L to N for 50VAC, then keyin the exact value
measured by DVM to Vac1 and press
ENTER.
Step B: Measure the voltage between Φ2/L to N for 50VAC, then keyin the exact value
measured by DVM to Vac2 and press
ENTER.
Step C: Measure the voltage between Φ3/L to N for 50VAC, then keyin the exact value
measured by DVM to Vac3 and press
ENTER.
Step D: Measure the voltage between Φ1/L toΦ2/L for 86.6VAC, then keyin the exact value
measured by DVM to L12 and press
ENTER.
Step E: Measure the voltage between Φ1/L toΦ3/L for 86.6VAC, then keyin the exact value
measured by DVM to L13 and press
ENTER.
Phase offset calibration is finished after the above steps are done. Press PAGE/EXIT to exit
this page.
1. The output is 50Vac/400Hz in this calibration procedure. In order to
get an accuracy result, please use a high performance DVM such as
Agilent 34401A.
2. The calibration result will keep until powering off the AC Source.
Because the phase angle error is different at every time when
powering on the AC Source, users must calibrate every time if they
want get better accuracy.
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