| Description |
Sensor type |
continuous rotation potentiometric wind direction vane |
| Applications |
• wind resource assessment
• meteorological studies
• environmental monitoring |
| Sensor range |
360° mechanical, continuous rotation |
Instrument
compatibility |
all NRG loggers |
| Output signal |
Signal type |
Analog DC voltage from conductive plastic potentiometer, 10K ohms |
| Transfer function |
Output signal is a ratiometric voltage |
| Accuracy |
potentiometer linearity within 1% |
| Dead band |
8° Maximum, 4° Typical |
Output signal
range |
0 V to excitation voltage (excluding deadband) |
Power
requirements |
Supply voltage |
Regulated potentiometer excitation of 1 V to 15 V DC |
Response
characteristics |
Threshold |
1 m/s (2.2 miles per hour) |
| Installation |
Mounting |
onto a 13 mm (0.5 inch) diameter mast with cotter pin and set Installation
screw |
| Tools required |
0.25 inch nut driver, petroleum jelly, electrical tape |
| Environmental |
Operating
temperature range |
-55 °C to 60 °C (-67 °F to 140 °F) |
Operating
humidity range |
0 to 100% RH |
| Lifespan |
50 million revolutions (2-6 years normal operation) |
| Physical |
Connections |
4-40 brass hex nut/post terminals |
| Weight |
0.14 kg (0.3 pounds) |
| Dimensions |
• 21 cm (8.3 inches) length x 12 cm (4.3 inches) height
• 27 cm (10.5 inches) swept diameter |
| Materials |
Body |
black UV stabilized static-dissipating plastic |
| Shaft |
stainless steel |
| Bearing |
stainless steel |
| Wing |
black UV stabilized injection molded plastic |
| Boot |
protective PVC sensor terminal boot included |
| Terminals |
brass |
