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Infrared photo gate for triggering the 3B NETlog unit (U11300) or a digital counter (U8533341). For time measurements in experiments on free fall, motion on a track or pendulum oscillations and for counting pulses. It can be operated in internal ... more

Digital counter/timer for measuring duration of motion, transition times, periods, pendulum periods, frequencies, as well as for counting events or Geiger tube pulses. Includes a speaker that can be turned on and off and power supplies for ... more

Large quartz-controlled stop-clock with start stop and reset buttons, cumulative time and lap-time settings (clock resets to zero and starts timing again immediately). 2 hands, dial with dual scale for minutes/seconds and hundredths of a minute ... more

Stopwatch with 7-digit LCD display in robust plastic casing with start/stop and split/reset buttons for starting and stopping, cumulative, lap-time and dual-time measurement. Includes pendant cord. Specifications: Measuring range ... more

Stopwatch for counting up or down with acoustic alarm. Magnetic holder for attachment to metal surfaces and fold-away support legs. Display: 4-digit LCD, 18 mm Timer range: 99 min 59 s Ticking rate: 1 s Dimensions: 60x60x20 mm³ more

Stopwatch in stainless steel casing with dual dial for minutes and seconds. In pouch with pendant cord. Measuring range: 30 minutes Reading accuracy: 0.2 seconds Diameter: 45 mm more

Stopwatch in stainless steel casing with dual dial for minutes and seconds. In pouch with pendant cord. Measuring range: 15 minutes Reading accuracy: 0.1 seconds Diameter: 45 mm more