Fluke 123B User Manual page 12

123B/124B/125B
Users Manual
•
Do not apply more than one phase of a
multiphase system simultaneously to
any COM ˜ (common) connection. All
Common (COM) connections should be
equipotential, as
• Remove the batteries if the Product is
not used for an extended period of time,
or if stored in temperatures above 50 °C.
If the batteries are not removed, battery
leakage can damage the Product.
•
The battery door must be closed and
locked before you operate the Product.
•
Comply with local and national safety
codes. Use personal protective
equipment (approved rubber gloves, face
protection, and flame-resistant clothes)
to prevent shock and arc blast injury
where hazardous live conductors are
exposed.
•
Do not apply more than the rated
voltage, between the terminals or
between each terminal and earth ground.
2
marked.
•
Limit operation to the specified
measurement category, voltage, or
amperage ratings.
•
Use Product-approved measurement
category (CAT), voltage, and amperage
rated accessories (probes, test leads,
and adapters) for all measurements.
•
Measure a known voltage first to make
sure that the Product operates correctly.
• Use the correct terminals, function, and
range for measurements.
•
De-energize the circuit or wear personal
protective equipment in compliance with
local requirements before you apply or
remove the flexible current probe from
hazardous live conductors.
•
Do not touch voltages > 30 V ac rms,
42 V ac peak, or 60 V dc.
•
Do not use the Product around explosive
gas, vapor, or in damp or wet
environments.