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Campbell Met One 014A Instruction Manual

Wind speed sensor
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Model 014A Met One
Wind Speed Sensor
Revision: 2/17
C o p y r i g h t
©
1 9 8 0 - 2 0 1 7
C a m p b e l l
S c i e n t i f i c ,
I n c .

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Summary of Contents for Campbell Met One 014A

  • Page 1 Model 014A Met One Wind Speed Sensor Revision: 2/17 C o p y r i g h t © 1 9 8 0 - 2 0 1 7 C a m p b e l l S c i e n t i f i c , I n c .
  • Page 3 Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service for twelve months from the date of shipment unless otherwise specified in the corresponding product manual. (Product manuals are available for review online at www.campbellsci.com.) Products not manufactured by CSI, but that are resold by CSI, are warranted only to the limits extended by the original manufacturer.
  • Page 4 (435) 227-9106. Campbell Scientific is unable to process any returns until we receive this form. If the form is not received within three days of product receipt or is incomplete, the product will be returned to the customer at the customer’s expense.
  • Page 5 Periodically (at least yearly) check electrical ground connections. • WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS SUCH AS SENSORS, CROSSARMS, ENCLOSURES, ANTENNAS, ETC.

  • Page 7: Table Of Contents

    Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to specific sections. 1. Introduction ..............1 2. Precautions ..............1 3. Initial Inspection ............1 Ships With ....................
  • Page 8 Table of Contents Control Port Example Program ............B-2 C. Sensor Maintenance ..........C-1 Reed Switch Replacement Procedure ..........C-1 Bearing Replacement Procedure ............. C-1 D. Theory of Operation ..........D-1 Mechanical ..................D-1 Calibration ..................D-1 Figures 7-1. 014A shipping box ................6 7-2.

  • Page 9: Introduction

    –1 with a threshold of 0.45 m s –1 . It connects directly to a Campbell Scientific datalogger, which measures the 014A’s pulse signal and converts the signal to engineering units (mph, m s , knots). –1 This manual provides information only for CRBasic dataloggers.
  • Page 10 Met One 014A Wind Speed Sensor The following procedure shows using Short Cut to program the 014A. Open Short Cut. Click New Program. Select Datalogger Model and Scan Interval (default of 5 seconds is OK for most applications). Click Next.
  • Page 11 Met One 014A Wind Speed Sensor Under the Available Sensors and Devices list, select the Sensors | Meteorological | Wind Speed & Direction folder. Select 014A Wind Speed Sensor. Click to move the selection to the Selected device window. The wind speed defaults to meters/second. This can be changed by clicking the Wind Speed box and selecting one of the other options.

  • Page 12: Overview

    24 ft 14 ft 24 ft 37 ft The 014A’s cables can terminate in: • Pigtails that connect directly to a Campbell Scientific datalogger (cable termination option –PT). Connector that attaches to a prewired enclosure (cable termination • option –PW). Specifications Features: •...

  • Page 13: Distance Constant

    Met One 014A Wind Speed Sensor Threshold: 0.45 m s –1 (1 mph) Calibrated Range: 0 to 45 m s –1 (0 to 100 mph) Gust Survival: 0 to 53 m s –1 (0 to 120 mph) Accuracy: 1.5% or 0.11 m s (0.25 mph)

  • Page 14: Assemble The Sensor

    Met One 014A Wind Speed Sensor 7.2.2 Assemble the Sensor The 014A ships with the cup assembly separate from the main housing. Assemble the sensor using the following procedure: Take the cup assembly and main housing out of the shipping box (see FIGURE 7-1).

  • Page 15: Mounting To A Crossarm

    Met One 014A Wind Speed Sensor Allen Wrench FIGURE 7-2. Allen wrench tightening bolt Ensure that the cup assembly spins freely. 7.2.3 Mounting to a Crossarm The 014A mounts to a crossarm using a 3/4 x 1-inch Nu-Rail Crossover Fitting (pn 1049) or a CM220 Right-Angle Mounting Kit.

  • Page 16: 014A Mounted On A Crossarm With Pn 1049

    Met One 014A Wind Speed Sensor Sensor Base Crossarm 1049 Nu-Rail FIGURE 7-3. 014A mounted on a crossarm with pn 1049 U-bolt holds sensor base CM220 Mounting Bracket Crossarm FIGURE 7-4. CM220 Right Angle Mounting Bracket...

  • Page 17: Mounting On Top Of A Tripod

    Met One 014A Wind Speed Sensor 7.2.4 Mounting on Top of a Tripod The 014A can be attached to the top of a CM106B, CM110, CM115, or CM120 tripod via the CM216 Sensor Mounting Kit. The CM216 extends 10 cm (4 in) above the mast of the tripod.

  • Page 18: Wind Speed

    Met One 014A Wind Speed Sensor If your data acquisition requirements are simple and you are connecting the sensor to a pulse port, you can probably create and maintain a datalogger program exclusively with 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 program.

  • Page 19: Maintenance

    Met One 014A Wind Speed Sensor Maintenance Suggested Maintenance Schedules 8.1.1 6 to 12 Month Periodic Service Visually inspect the anemometer cups for cracks and breaks, and make sure that each arm is securely attached to the cup assembly hub. Also check to see that the vent hole, located at the base of the sensor, is unobstructed.
  • Page 20 Met One 014A Wind Speed Sensor EPA, 1989: Quality Assurance Handbook for Air Pollution Measurements System, Office of Research and Development, Research Triangle Park, NC, 27711. EPA, 1987: On-Site Meteorological Program Guidance for Regulatory Modeling Applications, EPA-450/4-87-013, Office of Air Quality Planning and Standards, Research Triangle Park, NC 27711.

  • Page 21: Importing Short Cut Code Into Crbasic Editor

    Appendix A. Importing Short Cut Code Into CRBasic Editor This tutorial shows: How to import a Short Cut program into a program editor for • additional refinement • How to import a wiring diagram from Short Cut into the comments of a custom program Short Cut creates files, which can be imported into CRBasic Editor.

  • Page 23: Example Programs

    Appendix B. Example Programs B.1 Pulse Example Program The following CR1000 program uses a pulse port to measure the 014A every 5 seconds. The programs store mean wind speed (in m s –1 ) every 60 minutes. Wiring for the examples is given in TABLE B-1. TABLE B-1.

  • Page 24: Control Port Example Program

    Appendix B. Example Programs B.2 Control Port Example Program The following CR3000 program uses control ports to measure three 014A wind speed sensor. The program measures them every second and stores the mean wind speed (in m s –1 ) every 15 seconds. CRBasic Example B-2.

  • Page 25: Sensor Maintenance

    Appendix C. Sensor Maintenance C.1 Reed Switch Replacement Procedure To verify parts and locations, refer to the cable and parts diagrams (FIGURE and FIGURE C-3) and the parts list (TABLE C-1). Remove sensor from mounting arm and disconnect cable. Remove the cup assembly. Remove the three Philips screws at the top of the sensor and lift out the bearing mount assembly.

  • Page 26: Cable Diagram

    Appendix C. Sensor Maintenance Insert a right-angle type of tool, such as an Allen wrench, into bearing. Cock it slightly to one side and remove both bearings. Install new bearings. Be careful not to introduce dirt particles into bearings. CLEAN HANDS ONLY! DO NOT ADD LUBRICATION OF ANY KIND.

  • Page 27: Parts Diagram

    Appendix C. Sensor Maintenance FIGURE C-3. Parts diagram...
  • Page 28 Appendix C. Sensor Maintenance TABLE C-1. Met One Parts List Reproduced by Campbell Scientific, Inc. Item Part No. Description Qty./Assy 1011685-2 Housing 101685-4 Bearing Mount 101685-7 Collar 101715 Magnet Assembly 101812 Assy, Cup (Alum) 101898 Bearing 86001 Shaft 101048-2 Label...

  • Page 29: Theory Of Operation

    Appendix D. Theory of Operation D.1 Mechanical The sensor’s cup assembly consists of three aluminum cups mounted on a cup assembly hub. A stainless steel shaft, which rotates on precision-sealed ball bearings, connects the cup assembly to a magnet assembly. When the shaft is rotated, the turning magnet assembly causes a reed switch to close.
  • Page 32 Santo Domingo, Heredia 40305 SOUTH AFRICA COSTA RICA • cleroux@csafrica.co.za • info@campbellsci.cc www.campbellsci.co.za www.campbellsci.cc Campbell Scientific Southeast Asia Co., Ltd. Campbell Scientific Ltd. 877/22 Nirvana@Work, Rama 9 Road Campbell Park Suan Luang Subdistrict, Suan Luang District 80 Hathern Road Bangkok 10250...

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