Windvanes | W200P |
Threshold: | 0.6m/s (standard), 0.75m/s (/WR), 0.5m/s (/LV) |
Distance Constant: | 2.3m (standard), 2.4m (/LV) |
Damping Ratio: | 0.2m (standard), 0.24m (/LV) |
Recovery Distance: | 0.51m (standard), 0.54m (/LV) |
Damped Natural Wavelength: | 3.4m (standard), 3.6m (/LV) |
Repeatability: | +/- 0.5 ° if vane removed and replaced (note: no measurable backlash movement during use) |
Life of Potentiometer: | 5x107 cycles (10 years typical exposure) |
Service Interval: | 4 to 5 years |
Accuracy: | +/-3° in steady winds over 5m/s (6m/s /WR, 3.5m/s /LV), with +/-2° obtainable following calibration. |
Maximum Wind Speed: | over 75 m/s (standard), over 60m/s (/LV) |
Range: | 360° mechanical angle, continuous rotation allowed |
Temperature Range: | -50 to +70 °C |
Potentiometer Resistance: | 1000 Ohms (+/- 10%) |
Wiper Current: | 50uA recommended (20mA absolute maximum) |
Potentiometer Voltage: | 1V to 5V (recommended), 20V absolute maximum. |
Potentiometer Continuity Angle: | 357.7 +/- 1.5° (2.3° gap at north) |
Potentiometer Variation Angle: | 356.5 +/-1.5° (3.5° dead-band) |
Potentiometer Resolution: | +/-0.2° |
Potentiometer Independent Non-Linearity: | +/-0.25° (unloaded) |
Connections: | 6 wire screened cable. Screen insulated at instrument end, black connects to body. Red & White connect to 360° end and Blue & Yellow connect to 0° end of pot. Green connects to wiper. |
Fin (Vane-Arm): | type F20 as standard. |
Dimensions: | This instrument is constructed using our standard fin and windvane body design anddimensions. |
Wiring/Connections (Cable colours): | For wiring details click HERE |
Cable: | 3m (9ft10in) permanently attached 6-conductor* cable with braided shield/screen as standard. Longer lengths are available to order (up to 115m). Spec: Def Stan 61-12 part 4, 0.22mm2(~24AWG). *Note: 8-conductor used for /HE4 models. |
Calibration Certificate(optional extra): | The W200P windvane is available with anIEC/MEASNET Calibration Certificate(for an additional charge) |