Service Manual UDP6900 Series Digital Control Power Supply
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Please take actions to avoid dust or moisture in the air affecting the performance of
this device. Please keep the product surface clean and dry.
The recommended calibration period is one year. Calibration should only be carried out
by qualified personnel.
Environmental Condition
This instrument is suitable for the following environment.
Indoor use
Pollution degree 2
In operating, the altitude should lower than 3000 meters; in non-operating, the altitude should lower
than 15000 meters
Unless otherwise specified, operating temperature is 0 to +40℃; storage temperature is -20 to﹢70℃
In operating, the humidity temperature should below to +35℃, and the relative humidity should ≤90％
In non-operating, the humidity temperature should within +35℃ to +40℃, and the relative humidity
should relative humidity ≤60％
There are ventilation opening on the rear panel and side panel of the instrument. So please keep the air
flowing through the vents of the instrument housing. Make sure that the vent of the first instrument is away
from the air exhaust of the other instruments. If air heated by an instrument flows to the second
instrument, it may cause the second instrument to operate in over-temperature or even malfunction.
To prevent excessive dust from blocking the vents, please clean the instrument housing regularly. The
housing is not waterproof, please disconnect the power supply first and then wipe the housing with a dry
cloth or a slightly moistened soft cloth.
Connecting Power Supply
AC power specification is AC 100～242 V 50/60 Hz.
Please use the attached power lead to connect to the power port.
Connecting to service cable
100-242 VAC（fluctuant ±5%）
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