IM CA500-02EN
9
Do Not Operate in an Explosive Atmosphere
  Do not use this instrument in the presence of flammable gases or 
vapors. Doing so is extremely dangerous.
Do Not Remove the Covers or Disassemble or Alter the 
Instrument
  Only qualified YOKOGAWA personnel may remove the covers and 
disassemble or alter the instrument.
  The inside of the instrument is dangerous because parts of it have 
high voltages.
Measurement Category
  The measurement category of this instrument’s signal input 
terminals is Other (O). Do not use it to measure the main power 
supply or for Measurement Categories II, III, and IV.
Install or Use the Instrument in Appropriate Locations
•  This instrument is not dust-proof or water-proof. Do not install or 
use this instrument outdoors, in a location subject to rain or water, 
or a location full of dust.
•  Install the instrument so that you can immediately turn off the 
power if an abnormal or dangerous condition occurs.
External Connections
  Before connecting the instrument to the DUT or external control 
circuit or before touching a circuit, turn off its power and check 
that it has no voltage. To prevent electric shock and accidents, 
connect the ground of the probes or input connectors to the ground 
potential of the device under measurement.
Handling
•  Never use the instrument if the instrument or your hand is wet or 
when condensation or other water droplets are on the instrument.
•  Never open the battery cover while a measurement is in progress.
Signal Input
Do not apply signals that exceed the measurement range.
Lead cable
•  Use the probes supplied by Yokogawa for this instrument.
•  Do not use deteriorated or damaged lead cables.
•  Check the conduction of the lead cable before using it.
•  Do not use the lead cable for source (98020) to make 
measurements.
  When making a measurement, be sure to use the source/
measurement lead cable (98035).