If the mercury symbol is on a product, it indicates that mercury is present
in the display lamp. Please note that the lamp must be properly disposed of
according to federal, state, and local laws.
WARNING This heading in the user documentation explains dangers that might
result in personal injury or death. Always read the associated infor-
mation very carefully before performing the indicated procedure.
CAUTION This heading in the user documentation explains hazards that could
damage the instrument. Such damage may invalidate the warranty.
Instrumentation and accessories shall not be connected to humans.
Before performing any maintenance, disconnect the line cord and all test cables.
To maintain protection from electric shock and fi re, replacement components in mains
circuits — including the power transformer, test leads, and input jacks — must be
purchased from Keithley Instruments. Standard fuses with applicable national safety ap-
provals may be used if the rating and type are the same. Other components that are not
safety-related may be purchased from other suppliers as long as they are equivalent to the
original component (note that selected parts should be purchased only through Keithley
Instruments to maintain accuracy and functionality of the product). If you are unsure
about the applicability of a replacement component, call a Keithley Instruments offi ce
for information.
To clean an instrument, remove power from the instrument. Use a damp cloth or mild,
water-based cleaner. Clean the exterior of the instrument only. Do not apply cleaner
directly to the instrument or allow liquids to enter or spill on the instrument. Products
that consist of a circuit board with no case or chassis (e.g., a data acquisition board for
installation into a computer) should never require cleaning if handled according to
instructions. If the board becomes contaminated and operation is affected, the board
should be returned to the factory for proper cleaning and servicing.
Safety precaution revision of January 2013
Power and environmental specifi cations
For indoor use only.
Power supply 100 V to 240 V
RMS
, 50 Hz to 60 Hz
(automatically sensed at power up)
Maximum VA 60 VA
Operating altitude Maximum 2000 m (6562 ft) above
sea level
Operating temperature 0 °C to 50 °C (32 °F to 122 °F),
less than 80 % relative humidity at
35 °C (95 °F)
Storage temperature -30 °C to +70 °C (-22 °F to 158 °F)
Pollution degree 1 or 2
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