| Description |
| Sensor type |
3-Cup Anemometer |
3-Cup Anemometer |
3-Cup Anemometer |
3-Cup Anemometer |
| Applications |
- Wind resource assessment
- IEC 61400-12-1 turbine power curve verification
- Operational wind farm monitoring
- Meteorological studies
- Environmental monitoring
|
- Wind resource assessment
- IEC 61400-12-1 turbine power curve verification
- Operational wind farm monitoring
- Meteorological studies
- Environmental monitoring
|
- Wind resource assessment
- IEC 61400-12-1 turbine power curve verification
- Operational wind farm monitoring
- Meteorological studies
- Environmental monitoring
|
- Wind resource assessment
- IEC 61400-12-1 turbine power curve verification
- Operational wind farm monitoring
- Meteorological studies
- Environmental monitoring
|
| Sensor range |
0.638 m/s to 75 m/s (1.427 mph to 167.8 mph) |
0.638 m/s to 75 m/s (1.427 mph to 167.8 mph) |
0.638 m/s to 75 m/s (1.427 mph to 167.8 mph) |
0.638 m/s to 75 m/s (1.427 mph to 167.8 mph) |
| Instrument compatibility |
All NRG Systems Data Loggers |
All NRG Systems Data Loggers |
All NRG Systems Data Loggers |
All NRG Systems Data Loggers |
| Measurement range |
0.638 to 75 m/s |
0.6 to 75 m/s |
0.6 to 75 m/s |
0.6 to 75 m/s |
| Output signal |
| Signal type |
Form: Square Wave
Frequency: 532.9 Hz @ 50 m/s (112 mph)
Amplitude: Equal to supply voltage, max. 15 V |
Form: Square Wave
Frequency: 532.9 Hz @ 50 m/s (112 mph)
Amplitude: Equal to supply voltage, max. 15 V |
Form: Square Wave
Frequency: 532.9 Hz @ 50 m/s (112 mph)
Amplitude: Equal to supply voltage, max. 15 V |
Form: Square Wave
Frequency: 532.9 Hz @ 50 m/s (112 mph)
Amplitude: Equal to supply voltage, max. 15 V |
| Linearity |
Refer to R^2 value on individual calibration report. |
Refer to R^2 value on individual calibration report. |
Refer to R^2 value on individual calibration report. |
Refer to R^2 value on individual calibration report. |
| Anemometer Transfer Function |
- Refer to individual calibration report for anemometer transfer function.
- All NRG S1 anemometers are calibrated per IEC 61400-12-1, Annex F.
|
- Refer to individual calibration report for anemometer transfer function.
- All NRG S1 anemometers are calibrated per IEC 61400-12-1, Annex F.
|
- Refer to individual calibration report for anemometer transfer function.
- All NRG S1 anemometers are calibrated per IEC 61400-12-1, Annex F.
|
- Refer to individual calibration report for anemometer transfer function.
- All NRG S1 anemometers are calibrated per IEC 61400-12-1, Annex F.
|
| Calibration |
Each anemometer individually calibrated at SOH WE, Williston, VT USA.
Calibration reports provided via electronic download. |
Each anemometer individually calibrated at DWG, Varel, DE.
Calibration reports provided via electronic download. |
Each anemometer individually calibrated at SOH WE, Williston, VT USA.
Calibration reports provided via electronic download. |
Each anemometer individually calibrated at DWG, Varel, DE.
Calibration reports provided via electronic download. |
| Output signal range |
0 Hz to 800 Hz |
0 Hz to 800 Hz |
0 Hz to 800 Hz |
0 Hz to 800 Hz |
| Resolution |
0.046 m/s |
0.046 m/s |
0.046 m/s |
0.046 m/s |
| Uncertainty |
IEC 61400-12-1 Ed. 1 Classification
- Class 1.2A
- Class 3.9B
Refer to individual calibration sheet for information on calibration uncertainty.
Contact NRG Sales for Ed. 2 classification indices.
|
IEC 61400-12-1 Ed. 1 Classification
- Class 1.2A
- Class 3.9B
Refer to individual calibration sheet for information on calibration uncertainty.
Contact NRG Sales for Ed. 2 classification indices.
|
IEC 61400-12-1 Ed. 1 Classification
- Class 1.2A
- Class 3.9B
Refer to individual calibration sheet for information on calibration uncertainty.
Contact NRG Sales for Ed. 2 classification indices.
|
IEC 61400-12-1 Ed. 1 Classification
- Class 1.2A
- Class 3.9B
Refer to individual calibration sheet for information on calibration uncertainty.
Contact NRG Sales for Ed. 2 classification indices.
|
| Response characteristics |
| Threshold |
0.638 m/s (1.427 mph) per ASTM D 5096-02 |
0.638 m/s (1.427 mph) per ASTM D 5096-02 |
0.638 m/s (1.427 mph) per ASTM D 5096-02 |
0.638 m/s (1.427 mph) per ASTM D 5096-02 |
| Distance constant (63% recovery) |
2.76 m (9.05 ft) per ASTM D 5096-02 |
2.76 m (9.05 ft) per ASTM D 5096-02 |
2.76 m (9.05 ft) per ASTM D 5096-02 |
2.76 m (9.05 ft) per ASTM D 5096-02 |
| Moment of inertia |
- 1.01 x 10-4 kg-m2
- 74.5 x 10-6 S-ft2
|
- 1.01 x 10-4 kg-m2
- 74.5 x 10-6 S-ft2
|
- 1.01 x 10-4 kg-m2
- 74.5 x 10-6 S-ft2
|
- 1.01 x 10-4 kg-m2
- 74.5 x 10-6 S-ft2
|
| Physical |
| Connections |
M12 Connector |
M12 Connector |
M12 Connector |
M12 Connector |
| Cable length |
Various available |
Various available |
Various available |
Various available |
| Weight |
Sensor weight = 190 grams (0.42 lbs) |
Sensor weight = 190 grams (0.42 lbs) |
Sensor weight = 190 grams (0.42 lbs) |
Sensor weight = 190 grams (0.42 lbs) |
| Dimensions |
- 3 cups of conical cross-section, 51 mm (2") dia.
- 203 mm (8") overall assembly height
|
- 3 cups of conical cross-section, 51 mm (2") dia.
- 203 mm (8") overall assembly height
|
- 3 cups of conical cross-section, 51 mm (2") dia.
- 203 mm (8") overall assembly height
|
- 3 cups of conical cross-section, 51 mm (2") dia.
- 203 mm (8") overall assembly height
|
