Campbell 05305-LC Instruction Manual

INSTRUCTION MANUAL

05103-LC and 05305-LC

R.M. Young Wind Monitor

for MetData1

4/97

Copyright (c) 1984-1997

Campbell Scientific, Inc.

Warranty and Assistance

The 05103-LC AND 05305-LC R.M. YOUNG WIND MONITOR FOR
METDATA1 is 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 sp ecified 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. T his warranty is in
lieu of all other warranties, expressed or implied, including wa rranties 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.ca mpbellsci.co m to
determine which Campbell Scientific company serves your country. To obtain
a Returned Materials Authorization (RMA), contact CAMPBELL
SCIENTIFIC, INC., phone [phone]. 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-LC AND 05305-LC R.M. YOUNG WIND MONITOR

1. INTRODUCTION

This manual provides information for interfacing
the R.M. Young 05103 Wind Monitor and 05305
Wind Monitor AQ to the MetData1 system. The
05305 Wind Monitor AQ is a high performance
version of the 05103 Wind Monitor that is
designed specifically for air quality
measurements. R.M. Young's instruction
manual is also included, which 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.

NOTE: 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.

FOR METDATA1

FIGURE 2-1. Wind Monitor Mounted to a

Vertical Pipe

4.1 WIND SPEED

MetData1 uses Instruction 3 (Pulse Count) to
measure wind speed.

The expression for wind speed (U) is:

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.

3. CONNECTION

The wind monitor cable is attached to the
MetData1 connector labeled #2.

4. DATALOGGER PROGRAMMING

NOTE: Information in this section is not

necessary when programming the
MetData1 with the Short Cut Program
Builder software.

U=MX + B
where

M = multiplier
X = number of pulses per second
B = offset

MetData1 Datalogger Program Instruction

01: P3 Pulse Count

01: 1 Rep
02 1 Pulse Chan
03 21 Config Option
04: * Loc
05: .2192** Mult
06: 0 Offset

* Proper entry will vary dependent on input

location assignment.

** Use a multiplier of 0.098 for ms
The helicoid propeller has a calibration that

passes through zero; use an offset of zero (Gill,
1973; Baynton, 1976).

-1

output.

1

05103-LC AND 05305-LC R.M. YOUNG WIND MONITOR FOR METDATA1

4.2 WIND DIRECTION INSTRUCTION CODE

MetData1 uses Instruction 4 (excite, delay, and
measure) to measure wind direction. In
general, a delay of 2 (0.02 seconds) is sufficient
when lead lengths are less than 100 feet. If the
cable is 100 to 1000 feet, use a delay of 20
(0.20 seconds). If you need further assistance
with the delay, contact Campbell Scientific's
Marketing Department. The wind direction
potentiometer has a five degree deadband
between 355 and 360 degrees; therefore, the
multiplier is 355/Excitation Voltage. The offset
is zero.

MetData1 Datalogger Program Instruction

01: P4 (Excite, Delay, Measure)

01: 1 Rep
02: 5 2500 mV slow
03: 3 In Chan
04: 2 Ex Chan
05: 2 Delay (Units 0.01 Sec)
06: 2500 mV Excitation
07: *
08: 0.142 Mult
09: 0 Offset

* Proper entry will vary dependent on input

location assignment.

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 [phone].

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.

2

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