Casio watch PRT40 E
The ultimate multi-function watch to monitor your environment by the second. It’s Triple sensor capability offering current and recorded information on air pressure, altitude and temperature as well as the built-in magnetic sensor giving directional information.
The in-built digital compass measures and displays direction in 16 directions in 1 degree increments. You can store up to 5 sets of measurement data with direction, month, date and measurement time. The compass detects abnormal magnetic fields and allows bidirectional and northerly calibration.
The triple sensors within the watch which can store up to 50 data records and display tendency graphs for you to make more accurate judgements on future conditions:
Altimeter - measuring 0 metres to 4,000 metres in 5m units - with reference and target altitude alarm settings.
Barometer - from 610 hPa to 1,100 hPa in 1hPa units with a tendency graph of atmospheric pressure.
Thermometer - measuring between -10C to 60C in 0.1C units - changeable to Fahrenheit.
Stopwatch and functions
1/100 sec stopwatch up to 24 hours measuring net time, split time, 1st-2nd place times.
5 daily alarms.
hourly time signals.
auto-calendar per-programmed until 2039.
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