vi
IM 2553A-01EN
Measurement Category
The measurement category of the 2553A terminals is Other (O). Do not use it for main power
supply circuits or circuits that fall under Measurement Categories II, III, and IV.
Install or Use the Instrument in Appropriate Locations
• Do not install or use the instrument outdoors or in locations subject to rain or water.
• Install the instrument so that you can immediately remove the power cord if an abnormal or
dangerous condition occurs.
Wire Cables Correctly
This instrument sources voltage and current. Not wiring the devices correctly may damage the
instrument or the target device. Be careful when you wire the cables, and be sure to check the
following points.
Before output (before turning on the output), check that:
• Cables have been wired to the instrument’s output terminals correctly.
• Cables have been wired to the target device correctly.
Check that there are no short circuits between terminals or between the cables connected
to the terminals.
• The cables are fastened firmly to the terminals.
• There no problems with the terminals, such as the presence of foreign substances.
During output (do not touch the terminals or the connected cables when this instrument is on),
check that:
• There no problems with the terminals, such as the presence of foreign substances.
• The terminals are not abnormally hot.
After output (immediately after the output is turned off)
After you output a voltage or current, voltage may remain for some time even after you turn
the output off. Do not touch the terminals immediately after you turn the output off. The
amount of time that voltage remains varies depending on the target device.
CAUTION
Operating Environment Limitations
This product is classified as Class A (for use in industrial environments). Operation of this
product in a residential area may cause radio interference, in which case the user will be
required to correct the interference.
Safety Precautions