Campbell 05103 Manual de usuario

INSTRUCTION MANUAL

05103, 05106, and 05305

R.M. Young Wind Monitors

Revision: 2/04

Campbell Scientific, Inc.

Warranty and Assistance

The 05103, 05106, AND 05305 R.M. YOUNG WIND MONITORS are

warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in

materials and workmanship under normal use and service for twelve (12)

months from date of shipment unless specified otherwise. Batteries have no

warranty. CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is

limited to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option)

defective products. The customer shall assume all costs of removing,

reinstalling, and shipping defective products to CAMPBELL SCIENTIFIC,

INC. CAMPBELL SCIENTIFIC, INC. will return such products by surface

carrier prepaid. This warranty shall not apply to any CAMPBELL

SCIENTIFIC, INC. products which have been subjected to modification,

misuse, neglect, accidents of nature, or shipping damage. This warranty is in

lieu of all other warranties, expressed or implied, including warranties of

merchantability or fitness for a particular purpose. CAMPBELL SCIENTIFIC,

INC. is not liable for special, indirect, incidental, or consequential damages.

Products may not be returned without prior authorization. The following

contact information is for US and International customers residing in countries

served by Campbell Scientific, Inc. directly. Affiliate companies handle repairs

for customers within their territories. Please visit www.campbellsci.com to

determine which Campbell Scientific company serves your country. To obtain

a Returned Materials Authorization (RMA), contact CAMPBELL

SCIENTIFIC, INC., phone (435) 753-2342. After an applications engineer

determines the nature of the problem, an RMA number will be issued. Please

write this number clearly on the outside of the shipping container.

CAMPBELL SCIENTIFIC's shipping address is:

CAMPBELL SCIENTIFIC, INC.

RMA#_____

815 West 1800 North

Logan, Utah 84321-1784

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

05103, 05106, 05305 Table of Contents

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1. Introduction.................................................................1

2. Mounting Requirements.............................................1

3. Sensor to Datalogger Wiring......................................2

4. Programming ..............................................................3

4.1 Wind Speed...............................................................................................3

4.2 Wind Direction Instruction Code..............................................................4

5. Maintenance and Repairs...........................................4

6. References ..................................................................5

Figures

2-1. Wind Monitor Mounted to a Vertical Pipe ..............................................1

2-2. Wind Monitor Mounted to Campbell Scientific’s 019 Crossarm Mount.2

3-1. Wind Monitor Connections to Campbell Scientific Dataloggers.............3

Tables

4-1. Wind Speed Multiplier ............................................................................3

4-2. Instruction 4 Parameters for Wind Direction...........................................4

This is a blank page.

05103, 05106, and 05305 R.M. Young

Wind Monitors

1. Introduction

These notes provide information for interfacing Campbell Scientific’s

dataloggers to the R.M. Young 05103 Wind Monitor, 05106 Wind Monitor

Marine, and 05305 Wind Monitor AQ. The 05305 Wind Monitor AQ is a high

performance version of the Wind Monitor that is designed specifically for air

quality measurements. Wiring is identical for all models. R.M. Young's

instruction manual, included with the sensor, contains sensor specifications,

operating principles, installation and alignment guide, and calibration

information. Multiplier and offset values in the Campbell Scientific notes are

based on calibration data obtained from the R.M. Young Wind Monitor

manual.

2. Mounting Requirements

The Wind Monitor mounts to a vertical piece of 1" IPS schedule 40 (1.32"

O.D.) pipe. (See Figure 2-1.) A band clamp at the base of the sensor is

tightened to secure the sensor to the pipe.

Campbell Scientific supplies a 12" length of unthreaded pipe for mounting the

wind monitor to Campbell Scientific's 019ALU Crossarm Sensor Mount

(Figure 2-2).

FIGURE 2-1. Wind Monitor Mounted to a Vertical Pipe

05103, 05106, and 05305 R.M. Young Wind Monitors

FIGURE 2-2. Wind Monitor Mounted to Campbell Scientific's 019 Crossarm Mount

3. Sensor to Datalogger Wiring

Wire the Wind Monitor leads to the datalogger (see Figure 3-1).

The black outer jacket of the cable is Santoprene® rubber. This

compound was chosen for its resistance to temperature extremes,

moisture, and UV degradation. However, this jacket will support

combustion in air. It is rated as slow burning when tested

according to U.L. 94 H.B. and will pass FMVSS302. Local fire

codes may preclude its use inside buildings.

NOTE

05103, 05106, and 05305 R.M. Young Wind Monitors

Signal

CR7, 21X, CR23X,

CRBasic Dataloggers CR10(X)

Wind Monitor with

Black Cable (P/N 9721)

WSPD (REF) or G G Black

WDIR (REF) or G AG White

WDIR (SIG+) H or L (Analog Channel) H or L (Analog Channel) Green

WDIR (EX+) Excitation Excitation Blue

WSPD (SIG+) Pulse Pulse Red

Shield or G G Clear

FIGURE 3-1. Wind Monitor Connections to Campbell Scientific Dataloggers

4. Programming

This section is for users who write their own datalogger programs. A

datalogger program to measure this sensor can be created using Campbell

Scientific’s ShortCut Program Builder software. You do not need to read this

section to use ShortCut.

4.1 Wind Speed

Wind speed is measured with the pulse count instruction. The wind vector

instruction is used to calculate average wind speed and direction. With the

pulse count instruction, specify a low level AC configuration, discarding counts

from excessive intervals, and the result in Hz. With this configuration, the

pulse count instruction divides the number of counts during the execution

interval by the interval in seconds before applying the multiplier and offset.

The expression for wind speed (U) is:

U= MX+B

where

M = multiplier

X = number of pulses per second

B = offset

Table 4-1 lists the multipliers to obtain miles/hour or meters/second when the

pulse count instruction is configured to provide its result in Hz. The helicoid

propeller has a calibration that passes through zero; use an offset of zero (Gill,

1973; Baynton, 1976).

TABLE 4-1. Wind Speed Multiplier

(With Configuration Code 21*)

Model Miles/Hour Output Meters/Second Output

05103 or 05106 0.2192 0.0980

05305 0.2290 0.1024

*When configuration code 11 is used, the multiplier above is divided

by the execution interval in seconds.

05103, 05106, and 05305 R.M. Young Wind Monitors

21Xs without OSX PROMS and CR7s without OS7 PROMS

(dataloggers purchased prior to March 1989 and August 1991

respectively, and not updated) do not have the option of

outputting frequency in hertz. Program Instruction 3 with

configuration code 11 (pulses per execution interval). The

multiplier from Table 4-1 is divided by the execution interval in

seconds to obtain the multiplier used with code 11. For example,

with a 10-second execution interval, the multiplier for

meters/second with the 05103 would be 0.0980/10 = 0.0098.

The offset remains zero.

4.2 Wind Direction Instruction Code

The wind direction sensor is a potentiometer that is measured as a “half

bridge”. The output ranges from 0 mV at 0 degrees to the excitation voltage at

355 degrees. In dataloggers programmed with Edlog, measure the wind

direction with Instruction 4 (Excite, Delay, and Measure). CR200 series

dataloggers use the ExDelSE instruction and other CRBasic dataloggers use the

BRHalf instruction. In general, a delay of 1 (0.01 seconds) is sufficient when

lead lengths are less than 100 feet. If the cable is 100 to 1000 feet, use a delay

of 5 (0.05 seconds). The wind direction potentiometer has a five degree

deadband between 355 and 360 degrees; therefore, the maximum signal is at

355 degrees. The result of the BRHalf instruction prior to applying the

multiplier is measured mV/Excitation mV; therefore, the multiplier is 355. The

other measurement result is the measured mV; the multiplier with these

instructions is 355/Excitation Voltage. The offset is zero. The parameters to

be used with each datalogger are listed in Table 4-2.

TABLE 4-2. Instruction 4 Parameters for Wind Direction

CR10(X) 21X CR7

Measurement Range 2500 mV, slow 5000 mV, slow 5000 mV, fast

Excitation Voltage 2500 mV 5000 mV 5000 mV

Multiplier 0.142 deg/mV 0.071 deg/mV 0.071 deg/mV

Offset 0 0 0

5. Maintenance and Repairs

R.M. Young suggests the anemometer bearings be inspected at least every 24

months. Please refer to the R.M. Young manual for maintenance information.

Contact R.M. Young's customer service department directly to obtain repair

cost estimates and authorization for return of the unit. Their phone number is

(616) 946-3980.

NOTE

05103, 05106, and 05305 R.M. Young Wind Monitors

6. References

Gill, G.C., 1973: The Helicoid Anemometer Atmosphere, II, 145-155.

Baynton, H.W., 1976: Errors in Wind Run Estimates from Rotational

Anemometers Bul. Am. Met. Soc., vol. 57, No. 9, 1127-1130.

05103, 05106, and 05305 R.M. Young Wind Monitors

This is a blank page.

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