Abstract:

A multi-functional and portable wrist altitude watch is designed for outdoor sports fans,such as mountain and rock climbing.Besides the timing and LCD display functions of ordinary electrical digital watches,this watch also provides real-time altitude of the current position whenever and wherever the user is.Based on the special algorithm for the process of atmosphere pressure and altitude data of the four measurable mode exchanges of the micro pressure sensor SCP1000-D11 from VTI company in Finland and low power consumption design of software and hardware,this watch is warmly received in practical applications.

Key words: SCP1000-D11 pressure sensor;altitude;data;mode;low power