15B & 17B
Calibration Manual
2
Safety Information
The Meters comply with IEC 1010-1 CAT I 1000 V, CAT II 600 V, and CAT III 300 V
overvoltage standards. Refer to “Specifications” for more information.
In this manual, a Warning identifies conditions and actions that pose hazards to the user.
A Caution identifies conditions and actions that may damage the Meter or the equipment
under test.
International symbols used on the Meter and in this manual are explained in Table 1.
WXWarning
To avoid possible electric shock or personal injury, and to
avoid possible damage to the Meter or to the equipment under
test, comply with the following practices:
• Do not use the Meter in a manner not specified by this
manual or the safety features of the Meter may be impaired.
• Before using the Meter, inspect the case. Do not use the
Meter if it is damaged. Look for cracks or missing plastic.
Pay particular attention to the insulation around the
connectors.
• Inspect the test leads for damaged insulation or exposed
metal. Check the test leads for continuity. Replace damaged
test leads before using the Meter.
• Verify a Meter’s operation by measuring a known voltage.
Do not use the Meter if it operates abnormally. Protection
may be impaired. When in doubt, have the Meter serviced.
• Do not apply more than the rated voltage, as marked on the
Meter, between the terminals or between any terminal and
earth ground.
• Use caution when working with voltages above 30 V ac rms,
42 V ac peak, or 60 V dc. These voltages pose a shock
hazard.
• Use the proper terminals, function, and range for all
measurements.
• Do not operate the Meter around explosive gas, vapor, or
dust.
• When using the probes, keep the fingers behind the finger
guards.
• When making connections, connect the common test lead
before connecting the live test lead; when disconnecting,
disconnect the live test lead before disconnecting the
common test lead.
• Disconnect circuit power and discharge all high-voltage
capacitors before testing resistance, continuity, diodes, or
capacitance.
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