Keysight N2791A/N2891A High-Voltage Differential Probes User Guide
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Safety Information
Safety Symbols
Instruction manual symbol: The product is marked with this
symbol when it is necessary for you to refer to the instruction
manual in order to protect against damage to the product or
personal injury.
Hazardous voltage symbol
Safety Warnings and Cautions
WARNING
Observe Maximum Working Voltage. To avoid injury, do not use the
N2791A probe above 1000 Vrms CAT III (both 10:1 and 100:1
attenuation settings) between each input lead and earth or between the
two input leads. Do not use the N2891A probe above 5000 Vrms mains
isolated (1000:1 attenuation) or 500 Vrms mains isolated (100:1
attenuation) between the two input leads. Do not use the N2891A probe
above 5000 Vrms mains isolated (both 100:1 and 1000:1 attenuation
settings) between each input lead and earth.
WARNING
Must be Grounded. Before making connections to the input
leads of this probe, ensure that the output BNC connector is
attached to the BNC channel input of the oscilloscope and the
oscilloscope is properly grounded.
WARNING
Do Not Operate Without Covers. To avoid electrical shock or fire hazard,
do not operate this probe with the covers removed.
WARNING
To avoid electric shock, injury, or fire hazard, do not operate this probe in
wet / damp conditions or in an explosive atmosphere.