Fluke BT520 User Manual page 16

BT520
Users Manual
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1-6
Use only correct measurement category (CAT), voltage, and
amperage rated probes, test leads, and adapters for the
measurement.
Measure a known voltage first to make sure that the Product
operates correctly.
Limit operation to the specified measurement category,
voltage, or amperage ratings.
Keep fingers behind the finger guards on the probes.
Remove all probes, test leads, and accessories before the
battery door is opened.
Use the correct terminals, function, and range for
measurements.
Use only test leads and adapters supplied with the Product.
Install the CAT III protective cap of test lead when you use the
product in CAT III environment. The CAT III protective cap
decreases the exposed probe metal to <4 mm.
Do not operate the Product with covers removed or the case
open. Hazardous voltage exposure is possible.