timer


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Related to timer: egg timer, timer clock

timer

(tīm′ĕr)
A device for measuring, signaling, recording, or otherwise indicating elapsed time. Various forms of timers are used in radiographic, surgical, and laboratory work.

timer

the device on the x-ray machine that controls the period of exposure to the beam. It may be a simple clockwork, wind-back timer, or one of two electronic timers which are capable of fast and repeated exposures. Only electronic timers are allowed on modern machines.
References in periodicals archive ?
When looking at driver response, deceleration rates were more gentle when presented with the countdown timers, and we did not find that drivers accelerated to try to beat the light - those are positives for safety.
Another nice feature of this display is that when the timer expires and the alarm starts beeping, the display flashes.
Make sure to plug in the timer away from the tank to prevent accidental shock from water mixing with electricity.
In turn, the generator plugs directly into the Analog Remote Timer, which plugs directly into an electrical outlet to facilitate use.
A sequence timer is used in the performance of these steps.
Using an inclined plane, that is, a funnel, as a sand timer allows students to link the definition of simple machines to the idea that machines make work easier for people.
Therefore, soft timers can schedule events only probabilistically: a soft timer event may be delayed past its scheduled time by a random but bounded amount of rime.
Ol'man Treestands new Ol' Timer Deluxe 12-foot and 16-foot Ladders have the same basic design as the O1' Timer ladder stand, but they are loaded with, as the name implies, deluxe features.
A PENSIONER was killed after setting a timer to electrocute himself while he slept.
A nifty timer with a loud alarm that can be hung from a hook or stuck to the fridge by the attached magnet.