Scale, stop-clock, laboratory balance, thermometer, pH meter.

尺规，计时器，电子秤，温度计，酸碱度计。

youdao

He could freeze to death. At about twelve o'clock, the man decided to stop to eat his lunch.

VOA: special.2010.05.01

He said John Tyre, the head of the off-ice officiating crew for Kings games at Staples Center, who was sitting next to the clock operator on Feb. 1, told the league he did not see the timekeeper stop the clock.

WSJ: Kings' 3-2 Win Over the Blue Jackets on Feb. 1 Draws Scrutiny

Clearly, it's up to all employers to stop the clock on wage and hour liability.

FORBES: Magazine Article

Calhoun said the intent is to prevent players from faking injuries to stop the clock.

NPR: New Rule To Add Ejection For Intentional High Hit