Microgate WITTI-TAB, Руководство пользователя

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Microgate Witty TAB User Manual Page 4 of 33
1 H
ARDWARE
Figure 1 – Witty
·
TAB
Weight 2.9 kg, batteries included
Dimensions 13 x 41.5 x 6 cm (H x W x D)
Operating temperature 0° C/+45°C
Unit of time measurement 1/100 s
Selectable speed m/s
– km/h – mph
Measurement resolution 4 x 10
-5
s (1/25000 s)
LED matrix Numerical: 6 digits x 7 segments (10 x 5 LEDs) with 4 punctuation
marks (full stop or colon) with manual/automatic brightness
adjustment.
Radio module 433-434MHz multi-frequency transceiver
Radio transmission Digital FSK transmission; redundant code with information
correctness verification and auto-correction
Radio frequencies 433.1125 MHz to 434.7375 MHz
Radio transmission power 10 mW
Radio transmission range Approx. 150 meters
Processing unit 16-bit microcontroller
Time base 12. quartz 8 MHz, stability ±10ppm between 0°C and +45°C
Power supply Two internal Pb batteries