Fluke 287 Fluke 287 and 289 Multimeter Users Manual - Page 12
Do not operate the Meter around explosive, gas, vapor, or dust. - battery
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287/289 Users Manual • Make sure the battery door is closed and latched before operating the Meter. • Remove test leads from the Meter before opening the battery door. • Inspect the test leads for damaged insulation or exposed metal. Check the test leads for continuity. Replace damaged test leads before you use the Meter. • Do not apply more than the rated voltage, as marked on the Meter, between the terminals or between any terminal and earth ground. • Never operate the Meter with the cover removed or the case open. • 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 only the replacement fuses specified by the manual. • Use the proper terminals, function, and range for measurements. • Avoid working alone. • When measuring current, turn off circuit power before connecting the Meter in the circuit. Remember to place the Meter in series with the circuit. 2 • When making electrical 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. • Do not use the Meter if it operates abnormally. Protection may be impaired. When in doubt, have the Meter serviced. • Do not operate the Meter around explosive gas, vapor, or dust. • Use only 1.5 V AA batteries, properly installed in the Meter case, to power the Meter. • When servicing the Meter, use only specified replacement parts. • When using probes, keep fingers behind the finger guards on the probes. • Do not use the Low Pass Filter option to verify the presence of hazardous voltages. Voltages greater than what is indicated may be present. First, make a voltage measurement without the filter to detect the possible presence of hazardous voltage. Then select the filter function. • Only use test leads that have the same voltage, category, and amperage ratings as the meter and that have been approved by a safety agency.