Introduction
Congratulations on your purchase of the Extech Digital Stroboscope Tachometer. This device
measures the speed of moving parts such as gears, fans, propellers, centrifuges, and pumps. The
stop-motion action of this instrument permits the visual inspection of moving parts. Careful use of
this instrument will provide years of reliable service.
Safety
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the
manual for further information.
This symbol, adjacent to a terminal indicates that, under normal use, hazardous voltages
may be present
WARNING:
Do not look directly at the Strobe
eflector.
WARNING:
This device causes moving objects to appear still. Take precautions against accidental
contact with moving objects.
CAUTION:
Do not touch the flash tube.
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