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- Function and Applications:
The chronometer Timer 2-1 has a 4-digit digital display and has been specially designed for use in student experiments and demonstrative teacher experiments.
- Benefits:
The starting and stopping of the built-in timer piece, as well as counting, is effected by the opening and closing of electrical circuits, across light barriers or other TTL signal sources.
Many and various experimental requirements can be fullfilled with the 4 different operating modes that the Timer 2-1 makes available for track experiments, for the measurement of the time, of revolution, of a turning movement, for the direct measurement of the period of a full swing, of a mechanical pendulum and for the counting of events
- Equipment and Technical Data:
Operating temperature range: 5-40°C
Relative humidity: < 80%
Control: (Start/ Stop) by electricalcircuits (contact closure/ contact opening or level ACC to TTL-Norm)
Digital display: 4-Digit LED display, digit height 19 mm
Time measurement: Measuring range 0.000-9.999 s, resolution 1 ms
Pulse counting: Measurement range: 0-9999 pulses
Limiting frequency: 1 kHz,
Shading period: > 500 µs
Operating voltage: (Stabilized) 5 V ± 5 %, (suitable power supply 5 VDC/ 2.4 A, 13900-99, standardly supplied)
Power consumption: 1.8 VA
Supply connector: connecting socket for hollow plug, diam. 2.1 mm at the back of the instrument, 5 VDC/ 350 mA
Overvoltage and reverse polarity protection: up to max. 12 V
Housing dimensions (mm): 190 × 130 × 140 (W, H, D)
Weight: approx. 920 g
- Scope of delivery:
Power supply 5 VDC/4 A, according EN61558-2-16: 12651-99, 1
