Agilent Technologies U3401A User's Manual And Service Manual page 6

• Do not defeat power cord safety ground feature. Plug in to a grounded (earthed)
WA R N I N G
• Do not use multimeter in any manner that is not specified by the manufacturer.
• Double-check the multimeter's operation by measuring a known voltage.
• For current measurement, turn off circuit power before connecting the
• When connecting probes, always connect the common test probe first. When
• Do not measure more than the rated voltage (as marked on the multimeter)
• Do not use repaired fuses or short-circuited fuse-holders. For continued
• Do not service or perform adjustments alone. Under certain conditions,
• Do not substitute parts or modify multimeter to avoid the danger of introducing
• Do not operate damaged equipment as the safety protection features built into
• Turn off circuit power and discharge all high-voltage capacitors in the circuit before
C A U T I O N
• Use the correct terminals, functions, and range for your instruments.
• Do not measure voltage when current measurement is selected.
• Use the multimeter with the cables provided.
• Repair or service that is not covered in this manual should only be performed by
vi
outlet.
multimeter to the circuit. Always place the multimeter in series with the circuit.
disconnecting probes, always disconnect the live test probe first.
between terminals, or between terminal and earth ground.
protection against fire, replace the line fuses only with fuses of the same voltage
and current rating and recommended type.
hazardous voltages may exist, even with the multimeter switched off. To avoid
dangerous electric shock, service personnel must not attempt internal service or
adjustment unless another person, capable of rendering resuscitation or first aid,
is present.
additional hazards. Return the product to Agilent Technologies Sales and Service
Office for service and repair to ensure the safety features are maintained.
this multimeter may have been impaired, either through physical damage,
excessive moisture, or any other reason. Remove power and do not use the
product until safe operation can be verified by service-trained personnel. If
necessary, return the product to Agilent Technologies Sales and Service Office for
service and repair to ensure the safety features are maintained.
you perform resistance, continuity, diodes, or capacitance tests.
qualified personnels.
U3401A User's and Service Guide