Wind speed/direction sensor |
|
Model |
Brushless encoder |
Speed sensor |
Propeller: optical pulse-type (60 pulses/rev) |
Direction sensor |
Vane: rotary encoder (8-bit) |
Digital output |
RS-422 |
Startup threshold |
Low-speed sensor: less than 0.4 m/s |
|
High-speed sensor: less than 2 m/s |
Weatherability |
Winds of 90 m/s or greater |
Accuracy |
|
Speed |
High-speed: ±0.5 m/s @ winds of 10
m/s or less; ±5% @ winds greater than
10 m/s |
|
Low-speed: ±0.3 m/s @ winds of 5 m/s
or less; ±5% @ winds greater than
5 m/s |
Direction |
±5° |
Power source |
12 V DC (10 to 13.5 V), 250 mA or less |
Usage conditions |
-10 to 50°C |
Connector |
12-pole waterproof, cord diameter 8.5-10.5 |
Materials |
|
Propeller |
Polycarbonate resin |
Body |
Polycarbonate resin |
Vane |
FRP (glass fiber-reinforced polyester resin) |
Paint |
Munsell color 8YR 7.3/1.3 |
Inspections |
In-house or Japan Meteorological Agency |
Transducer |
|
|
The transducer provides power to the sensor
and converts the RS-422 signal to an RS-232C
signal. |
Input signal |
RS-422 |
Output signal |
RS-232C |
Power output |
12 V DC (supplied to the sensor) |
Power source |
100 V AC 10VA |