Delta DPM-C520, Operation Manual

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C h a p t e r 4 O p e r a t i o n
4 - 3
4_
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Total harmonic distortion of current page (THD I): current harmonic distortion measured by the power
meter, including harmonic distortion for phase A current (A), harmonic distortion for phase B current (B),
harmonic distortion for phase C current (C) and total harmonic distortion for current (T).
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Total harmonic distortion of voltage page (THD V): voltage harmonic distortion measured by the power
meter, including harmonic distortion for phase A voltage (A), harmonic distortion for phase B voltage (B),
harmonic distortion for phase C voltage (C) and total harmonic distortion for voltage (T).
4.2 Setups
4.2.1 Unlock the Setting
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Steps:
1. Press BACK key to enter the setting page.
2. Press UP and DOWN keys at the same time for 5 seconds to unlock the setting.
3. When you see the setting option TIM & DAT, it means you have unlocked the setting page.
Note 1: press BACK key to leave the setting page and go to HOME page.
4.2.2 Time Setup (TIM)
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Time: Present power meter time; the time format includes the hour and minute.
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Steps:
1. Press BACK key to enter the setting page.
2. Press UP and DOWN keys at the same time for 5 seconds to unlock the setting.
3. Press NEXT key to see the setting option TIM & DAT.
4. Press UP key to enter the time (TIM) setting page.
5. When the option (HH) starts blinking, you can use UP and DOWN keys to select the number of the
hour.
6. Press NEXT key to confirm the setting.
7. When the option (MM) starts blinking, you can use UP and DOWN keys to select the number of the
minute.
8. Press NEXT key to confirm the setting.
Note: You can go back to the previous setting item by pressing BACK key anytime, whether you have
completed or canceled the setting.
4.2.3 Date Setup (DAT)
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Date: Present power meter date; the date format includes the last two digits of the year, month, date and
day.
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Steps: