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Stopwatch/Timing -
FAQ/Glossary of Terms
Addition - start/stop (as often
as necessary) - reset when "game" is over.
Countdown with signal - a
preset time counts down after start. Intermediary stops are possible. Once preset time is
elapsed, the signal is activated.
CTRS (Certified Traceable
Registration Sticker) - stopwatches with a CTRS sticker are traceable to NIST
(National Institute of Standards and Technology).
ISO-9000
- ISO is a non-governmental organization established in 1947. The mission of ISO is to
promote the development of standardization and related activities in the world with a view
to facilitating the international exchange of goods and services, and to developing
cooperation in the spheres of intellectual, scientific, technological and economic
activity.
Jewel - ruby within stopwatch;
increases accuracy and useful life of mechanical stopwatch through less wear of parts.
Lap - rounds or intervals:
after each stop, watch starts immediately from zero.
Lever - stopwatch movement
which uses two jewels for increased accuracy and useful life of mechanical stopwatch.
Memory - recorded times can be
stored into memory and can be recalled at a later date.
NIST (National
Institute of Standards and Technology) - established by Congress to assist
industry in the development of technology, to improve product quality, to modernize
manufacturing processes, to ensure product reliability, and to facilitate rapid
commercialization of products based on new scientific discoveries.
Pinlever - uses less accurate
pins within lever movement instead of jewels.
Split - intermediate time
(as often as necessary) total time. After each stop the intermediate time is displayed,
the watch continues to run internally.
Start/Stop - reset; single
times without interruption.
Register - measurement of total
time on stopwatch.
Tempo/Snap-Back/Instant
Flyback - when stopwatch is returned to zero it will
automatically restart.
Stopwatch Models
Crown Stopper "one
button"
the crown stopper represents the most basic system for all simple time measurements
without an interruption of the measuring operation. |