Introduction and Safety Information
Safety Information
1
• Disconnect the mains power cord before you remove the Product
covers.
• Remove the input signals before you clean the Product.
• Use only specified replacement parts.
• Use only specified replacement fuses.
• The mains power service must be rated for 16 A, and if the mains
power cord is internally fused, a 10 A fuse must be fitted in the
mains power cord plug.
• Have an approved technician repair the Product.
• When the cover is removed, voltages more than 1.5 KV can be
present.
• Properly terminate the sense leads to prevent exposure to
hazardous voltages on the sense terminals. The voltage sense
terminals are at output voltage when the two-wire function is set.
• Never touch a lead or terminal on the Product when a dangerous
voltage is present.
• Do not use low voltage spade-terminated leads to connect to a
hazardous voltage (>32 V ac rms or >42 V pk). A general purpose
probe kit is supplied with the Product for safe measurement at
higher voltages.
• Do not touch exposed metal on banana plugs, they can have
voltages that could cause death.
• Do not use test leads if they are damaged. Examine the test leads
for damaged insulation and measure a known voltage.
• Use the correct terminals, function, and range for measurements.
• Keep fingers behind the finger guards on the probes.
• Connect the common test lead before the live test lead and
remove the live test lead before the common test lead.
• Remove signal connections before the protective ground
connection is removed. For example, the mains power cord must
be connected when the signal leads are connected.
• Do not connect or disconnect signal leads while they are
connected to a hazardous voltage or current source.
• Disconnect power and discharge all high-voltage capacitors
before you measure resistance, continuity, capacitance, or a
diode junction.
• Before the Product is connected to a circuit to make a current
measurement, check the fuses on the Product and turn off the
power to the circuit.
• Limit operation to the specified measurement category, voltage,
or amperage ratings.
• Do not connect measurement probes directly to mains.
• Complete safety tests after a part replacement to make sure the
Product is safe.
• Do not connect an external capacitance greater than 50 nF to the
Product terminals.
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