Overview, 1 operation, 2 construction – Campbell Scientific 020C Wind Direction Sensor User Manual
Page 12
Model 020C Wind Direction Sensor
7. A full description of sensor wiring can be found by selecting Wiring
Diagram at the left of the Short Cut window. Send the program from the
PC to the CR1000 datalogger if the telecommunications link is active.
5. Overview
5.1 Operation
The lightweight, airfoil vane is directly coupled to a single precision micro-
torque potentiometer. The built-in electronics provide a voltage source for the
potentiometer and amplifies the output signal for transmission over long cable
lengths. The following features increase the reliability of the 020C:
• Inclusion of internal heater, which provides positive clean aspiration
through the bearings, thereby greatly increasing bearing life.
• Built-in electrical field surge protection reduces problems associated
with static fields, near-miss lightning hits, and poor grounding
systems.
5.2 Construction
The vane assembly is easily installed or replaced without requiring
recalibration. All sensor components are constructed with stainless steel and
anodized aluminum.
6
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