Campbell CR1000 User Manual

Section 7. Installation
where
or, in the case of orthogonal sensors
where
Standard deviation of wind direction (Yamartino algorithm)
where,
and Ux and Uy are as defined above.
Mean Wind Vector
Resultant mean horizontal wind speed, Ū:
Figure 77. Mean Wind-Vector Graph
where for polar sensors:
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Campbell CR1000 Specifications

General

Power Requirements	9.6 to 16 VDC
Data Logger Operating System	CRBasic
Memory	4 MB
Analog Inputs	16 single-ended or 8 differential
Analog Input Resolution	13 bits
Analog Input Range	+/-2.5V
Digital I/O	8
Pulse Counters	2
Communication Ports	RS-232
Operating Temperature	-25°C to +50°C
Pulse Channels	4