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Step 2:
•
The display will show the following screen.
•
The user should then connect the L3 phase to the input (+) of the 8220, within
10 seconds, after which time the following error message
limit exceeded) is displayed. The user must start the sequence again from
the beginning (Step 1).
•
As soon as the test leads are connected to the circuit, the 8220 automatically
moves to Step 3.
NOTE: If the display indicates
determination of the order of the phases.
This error may be due to one of the following causes:
- The three-phase network frequency is unstable.
- The three-phase network frequency is outside the 40 to 70Hz range.
- The voltage signal is too weak (below 10V
- Operations were incorrectly carried out.
To return to the first Step, press the◄ button.
Step 3:
•
The display will then show either:
- Correct order of phases: L1-L2-L3
- Incorrect order of phases: L3-L2-L1
Power Quality Analyzer Model 8220
Figure 4-18
(Error) an error has been detected during the
).
RMS
(time
45
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