Radio Shack Marine Instruments owner manual Special Panel Markings, 500V RMS MAX

MEASURE CURRENT AND VOLTAGE IN COMMERCIAL ELECTRICAL PANELS. UNLIKE A HOME AC OUTLET, A COM- MERCIAL ELECTRICAL PANEL HAS TREMENDOUS CUR- RENT SURGE POTENTIAL. THIS IS ESPECIALLY TRUE FOR THREE-PHASE INDUS- TRIAL ELECTRICAL PANELS. A SMALL SPARK FROM ONE OF THESE PANELS CAN CAUSE A PLASMA EXPLOSION AND FIRE THAT CAN SEVERELY BURN YOU. DO NOT HOLD THE MULTIMETER WHILE USING IT.

•ALWAYS WEAR PROTECTIVE LEATHER GLOVES, A FACE SHIELD, AND FIREPROOF ARM AND UPPER BODY PROTEC- TION WHILE USING THE MULTI-

METER TO MEASURE CURRENT AND VOLTAGE IN

COMMERCIAL ELECTRICAL PANELS.

•IF THIS EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE PROTECTION PROVIDED BY THE EQUIPMENT MAY BE IMPAIRED.

•TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.

ˆSpecial Panel Markings

For your safety, we have added special markings to the multimeter’s panel to re- mind you of the measurement limitations.

500V MAX

500V RMS MAX

!

To avoid electrical shock or damage to the multimeter, do not connect the ground terminal (– jack) to any source that exceeds 500 volts with respect to earth/ground.

To avoid electrical shock or damage to the multimeter, do not connect the test leads to any source that exceeds 500 volts RMS AC.

Caution: Risk of electric shock! Refer to the complete operating instructions.

Caution: Be extra careful when making high-voltage measurements; DO NOT TOUCH TERMINALS OR PROBE ENDS.

Special Panel Markings 5