Omega PCL340 - Manual (Page 7)

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• Select the proper function and range for your measurement.
• Make sure the battery cover is closed and latched before you
operate the calibrator.
• Remove test leads from the calibrator before you open the battery
door.
• Inspect the test leads for damaged insulation or exposed metal.
Check test leads continuity. Replace damaged test leads before
you use the calibrator.
• When using the probes, keep your fingers away from the probe
contacts. Keep your fingers behind the finger guards on the
probes.
• Connect the common test lead before you connect the live test
lead. When you disconnect test leads, disconnect the live test lead
first.
• Do not use the calibrator if it operates abnormally. Protection may
be impaired. When in doubt, have the calibrator serviced.
• Do not operate the calibrator around explosive gas, vapor, or dust.
• When measuring pressure, make sure the process pressure line is
shut off and depressurized before you connect it or disconnect it
from the pressure module.
• Disconnect test leads before changing to another measure or
source function.
• When servicing the calibrator, use only specified replacement
parts.
• To avoid false readings, which could lead to possible electric shock
or personal injury, replace the battery as soon as the battery
indicator appears.
Caution
To avoid possible damage to calibrator or to equipment under test:
• Use the proper jacks, function, and range for your measurement or
sourcing application.