Operator safety information – Fluke 77 User Manual

Page 8

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SAFETY-1

OPERATOR SAFETY

INFORMATION

This instrument has been designed and tested in accordance with IEC
Publication 348, Safety Requirements for Electronic Measuring Apparatus. This
manual contains information and warnings which have to be followed by the
user to ensure safe operation and to retain the instrument in safe condition.

Warning statements identify conditions or practices that could result in
personal injury or loss of life.

Caution statements identify conditions or practices that could result in damage
to the equipment or other property.

Never use the meter if the meter or test leads look damaged.

Always turn off power to the circuit before cutting, unsoldering, or breaking
the circuit. Small amounts of current can be dangerous.

Never measure resistance in a circuit when power is applied to the circuit.

Never touch the probes to a voltage source when the test leads are

plugged into the 10A or 300 mA input jack.

Never apply more than 1000V dc or ac rms (sine) between any input jack
and earth ground.

Always be careful when working with voltages above 60V dc or 30V ac

rms. Such voltages pose a shock hazard.

Always keep your fingers behind the finger guards on the probe when

making measurements.

Always use a high voltage probe to measure voltage if the peak voltage

might exceed 1000V.

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