710 Keysight N9927-90001 User’s Guide
Safety Considerations
Battery Markings
BIS (Bureau of Indian Standards) standard mark for registration.
Indicates the time period which no hazardous or toxic substance elements are
expected to leak or deteriorate during normal use. Ten years is the expected
useful life of the product.
This symbol indicates the Environmental Protection Use Period (EPUP) for the
product’s toxic substances and for the China RoHS requirements.
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