Kikusui PAD-L III Series, Руководство по эксплуатации

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PAD-L Maintenance 6-3
6.3 Adjustment
Before shipment, the PAD-L series is thoroughly adjusted. After a extended periods
of use, however, the power supply will require regular adjustment.
To have adjustment performed, you may contact Kikusui distributor/agent. If you
wish to adjust the power supply on your own, follow the steps below.
WARNING
• To adjust the unit, remove the external cover and adjust the
variable resistors inside. Note that operating the unit with the
cover removed increases the risk of electric shock.
Unit adjustments must be performed by qualified personnel
having sufficient expertise and familiarity with the adjustment
procedure and safety considerations
6.3.1 Test equipment required
For adjustment, the following equipment is necessary.
•
DC voltmeter (DVM) with measuring accuracy of 0.2% or better.
• Shunt resistor with accuracy of 0.2% or better (with enough capacity to apply a
rated output current for the PAD-L series to be adjusted.)
6.3.2 Environment
Conduct adjustment under the following ambient conditions.
•
Ambient temperature: 23
°
C
±
5
°
C
• Ambient humidity: 80% RH or less
To minimize adjustment errors due to an initial drift, warm up the power supply for at
least 30 minutes before starting adjustment. Also warm up the DVM and shunt
resistor for a necessary period of time.