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FIGURE C-1. Magnetic declination for the contiguous United States (2015)

FIGURE C-2. Declination angles east of true north are subtracted from 0 to get true north

Wind Monitor Series

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Содержание Wind Monitor Series

Страница 1: ...Revision 12 2020 Copyright 1984 2020 Campbell Scientific Inc...

Страница 2: ...ng the wind monitor to a crossarm 12 7 4 2 Mounting the wind monitor atop a tripod mast 14 8 Sensor maintenance 14 9 Troubleshooting 15 9 1 Wind direction 15 9 2 Wind speed 15 10 References 16 Appendi...

Страница 3: ...provides information only for CRBasic data loggers For retired Edlog data logger support see an older manual at www campbellsci com old manuals 2 Precautions l READ AND UNDERSTAND the Safety section a...

Страница 4: ...t the connection end of the cable Check this information against the shipping documents to ensure the expected product and cable length are received The wind monitors ship with 1 1 16 inch hex key wre...

Страница 5: ...ick 05103 Wind Speed Direction Sensor 05106 Wind Speed Direction Sensor or 05305 AQ Wind Speed Direction Sensor The wind speed defaults to meters second This can be changed by clicking the Wind Speed...

Страница 6: ...utput options 8 Click Finish and save the program Send the program to the data logger if the data logger is connected to the computer 9 If the sensor is connected to the data logger check the output o...

Страница 7: ...ecommended cable length for mounting the sensor at the top of the tripod tower by using a CM200 series crossarm Table 5 1 Recommended cable lengths CM106B CM110 CM115 CM120 UT10 UT20 UT30 4 2 m 14 ft...

Страница 8: ...or 1 of reading 0 2 m s 0 4 mph or 1 of reading Starting threshold 1 0 m s 2 2 mph 2 4 mph 1 1 m s 1 0 m s 2 2 mph 0 4 m s 0 9 mph Distance constant 63 recovery 2 7 m 8 9 ft 2 1 m 6 9 ft Output AC vol...

Страница 9: ...5 3 Starting threshold 1 1 m s 2 4 mph 1 0 m s 2 0 mph 0 5 m s 1 0 mph Distance constant 50 recovery 1 3 m 4 3 ft 1 2 m 3 9 ft Damping ratio 0 3 0 25 0 45 Damped natural wavelength 7 4 m 24 3 ft 4 9...

Страница 10: ...r diameter 18 cm 7 1 in 14 cm 5 5 in 18 cm 7 1 in 20 cm 7 9 in Mounting pipe description 34 mm 1 34 in outer diameter standard 1 0 in IPS schedule 40 Weight 1 5 kg 3 2 lb 1 kg 2 2 lb 1 5 kg 3 2 lb 1 k...

Страница 11: ...ely by using Short Cut If your data acquisition needs are more complex the files that Short Cut creates are a great source for programming code to start a new program or add to an existing custom prog...

Страница 12: ...d to a 10 k potentiometer which has a 5 degree electrical dead band between 355 and 360 degrees A 1 M resistor between the signal and ground pulls the signal to 0 mV 0 degrees when wind direction is i...

Страница 13: ...rection samples 7 3 Siting Locate wind sensors away from obstructions such as trees or buildings Generally there should be a horizontal distance of at least ten times the height of the obstruction bet...

Страница 14: ...a compass and the magnetic declination for the site 4 Secure the 12 inch aluminum pipe to the Nu Rail fitting The aluminum pipe is shipped with the wind monitor 5 Place the orientation ring followed b...

Страница 15: ...and to the instrument enclosure 10 Secure the cable to the crossarm and tripod or tower by using cable ties FIGURE 7 2 CM220 Right Angle Mounting Kit mounted to a crossarm FIGURE 7 3 Wind monitor moun...

Страница 16: ...spect the sensor for physical damage Replace the anemometer bearings when they become noisy or the wind speed threshold increases above an acceptable level The condition of the bearings can be checked...

Страница 17: ...nded terminal specified by the measurement instruction 2 Verify that the excitation voltage and range code are correct for the data logger type 3 Disconnect the sensor from the data logger and use an...

Страница 18: ...The following references give detailed information on siting wind speed and wind direction sensors EPA 1989 Quality Assurance Handbook for Air Pollution Measurements System Office of Research and Dev...

Страница 19: ...dited for additional refinement NOTE Once the file is edited with CRBasic Editor Short Cut can no longer be used to edit the program it created 2 To add the Short Cut wiring information into the new C...

Страница 20: ...ction and standard deviation of the direction every 60 minutes Wiring for the examples is given in Table B 1 p 18 Table B 1 Wiring for example programs Color Wire Label CR1000X CR6 Red WS Signal P1 U4...

Страница 21: ...ms WindDir FP2 False 0 0 0 FieldNames WS_ms_S_WVT WindDir_D1_WVT WindDir_SD1_WVT EndTable Main Program BeginProg Scan 5 Sec 1 0 Default Data Logger Battery Voltage measurement Batt_Volt Battery Batt_V...

Страница 22: ...FieldNames WS_ms_S_WVT WindDir_D1_WVT WindDir_SD1_WVT EndTable Main Program BeginProg Main Scan Scan 5 Sec 1 0 Default Data Logger Battery Voltage measurement BattV Battery BattV Default Wiring Panel...

Страница 23: ...racted from 360 degrees to get true north as shown FIGURE C 2 p 22 0 and 360 are the same point on a compass For example the declination for Logan Utah is 11 78 East 11 August 2015 True north is 360 1...

Страница 24: ...FIGURE C 1 Magnetic declination for the contiguous United States 2015 FIGURE C 2 Declination angles east of true north are subtracted from 0 to get true north Wind Monitor Series 22...

Страница 25: ...FIGURE C 3 Declination angles west of true north are added to 0 to get true north Wind Monitor Series 23...

Страница 26: ...the wiper and ground Rs and Vs vary with wind direction The measurement result is the ratio of the measured voltage to the excitation voltage Vs Vx This ratio is related to the resistance as shown in...

Страница 27: ...ther manufacturer s products that are resold by Campbell Scientific are warranted only to the limits extended by the original manufacturer Refer to www campbellsci com terms warranty for more informat...

Страница 28: ...ion or Repair Reference number contact your CAMPBELL SCIENTIFIC regional office Please write the issued number clearly on the outside of the shipping container and ship as directed For all returns the...

Страница 29: ...rohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l Y...

Страница 30: ...nfo campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India...

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