AEM LAMBRECHT meteo PROFESSIONAL Wind Direction Manual de usuario

USER MANUAL

Wind Sensors

PROFESSIONAL

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Warranty

Please note the loss of warranty and non-liability by unauthorized manipulation of the system. You need a written

permission of the LAMBRECHT meteo GmbH for changes of system components. These activities must be

operated by a qualied technician.

The warranty does not cover:

1. Mechanical damages caused by external impacts (e. g. icefall, rockfall, vandalism).

2. Impacts or damages caused by over-voltages or electromagnetic elds which are beyond the standards and

specications in the technical data.

3. Damages caused by improper handling, e. g. by wrong tools, incorrect installation, incorrect electrical

installation (false polarity) etc.

4. Damages which are caused by using the device beyond the specied operation conditions.

Content

Warranty 2

Features of the PROFESSIONAL wind sensors 3

Initial operation 3

Selecting the place of installation 3

Mounting of the cup rotor at the wind speed sensor 4

Mounting options 4

Adjusting the wind vane to the north 5

Electrical connections 6

Heating 6

Maintenance 7

Disposal 7

Technical data - Cable 7

Dimensional drawings 8

Electrical connection 9

Technical data - Sensors 10

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Features of the PROFESSIONAL wind sensors

• PROFESSIONAL wind sensors for determining wind direction and wind speed

• Integrated, controlled heating for optimum heating of the sensor head, thermally separated from the lower

housing part

• Double ball bearing of the measuring elements on the rotary axes causes low friction, very low wear and

therefore high reliability and durability

• Dimensionally stable blade vane and break-proof three-armed cup rotor made of seawater-resistant aluminum

for maximum load-bearing capacity

• Simple mounting principles for mast, ange or bore for a high degree of exibility

• Sensors with plug-in cable connection, particularly useful for easy installation or service work

Initial operation

The wind can be represented by a vector quantity. For a complete description of the wind it is necessary to specify its

speed and direction. The two components are subject to spatial and temporal variations; thus, strictly speaking, they are

valid only for the site where the measuring instrument is put up. We therefore recommend to select the place of installation

very carefully.

Selecting the place of installation

Generally, wind measuring instruments should not measure the specic wind conditions of a limited area, but indicate the

typical wind conditions of a wider area. The values measured at dierent places must be comparable. Thus, when installing

the sensor you should make sure the place of installation is not under the lee of great obstacles. The distance between

the obstacles and the sensor should be 10 times the height of the obstacles (this corresponds to the denition of an

undisturbed terrain).

If there is no undisturbed terrain, the sensor must be set up at a height that exceeds the height of the obstacle by

at least 5 m. If the sensor must be installed on a roof top the place of installation must be in the middle of the roof to

avoid predominant wind directions.

If you want to measure both wind direction and wind speed, install the sensors at the same measuring point,

if possible, and make sure to avoid any mutual inuence of the sensors. A wind sensor pair easily meets this

requirement since the sensors are set up side by side. Their horizontal distance should be approximately 1.5 m. The

two sensors must be staggered vertically so that the lower edge of the upper wind speed sensor is 0.1 to 0.5 m above

the upper edge of the lower wind direction sensor.

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Mounting of the cup rotor at the wind speed sensor

The bores at the cup rotor are so attached that the cup rotor can only in a

certain, clear position to be installed. All three screws must be used and

the cup rotor with it be fastened. Thus the correct direction of rotation is

guaranteed. The necessary wrench is included in delivery.

Mounting options

Since installation usually takes place at great heights, the assembly personnel must observe the relevant

safety regulations during installation.

I. MAST OR PIPE MOUNTING

Make sure the device is easily accessible so that you can set up the north direction for the wind direction sensor

and perform any maintenance work. To reach the sensors use a ladder of the appropriate length or a telescoping

working platform of the appropriate height.

Ladders or other lifting helps must be absolutely in order and must be guarantee a secure support! Follow

the rules for prevention of accidents.

Mast or tube (grounded) have an outer Ø of 48-50 mm. A mast adapter (see accessories) is required.

1. Loosen both threaded nuts from the sensor.

2. The sensor with cable plug connection is inserted into the hole (Ø 30 mm) of the adapter without cable.

3. To fasten the sensor, one of the loosened threaded nuts is screwed from below with the at side onto the sensor thread

against the inner surface of the adapter, tightened with a suitable tool (SW 36) until there is resistance to twisting of

the aligned sensor.

4. Finally, it is recommended that the second threaded nut also be countered against the rst threaded nut w ith the at

side rst.

You can also use masts that can turn around their vertical axis or masts consisting of individual segments or

telescoping masts that you can secure after setting up the north direction.

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If wind speed and wind direction are measured at the same time, the measurement generally takes place not only at

the top of a mast but also at the ends of a cross arm. The arms must stay torsion-free and vibration-proof even at high

wind speeds and they must be accessible for you to perform mounting and maintenance work.

When you install the connecting cables make sure not to excessively shorten the cable leading to the

connector in the lower part of the sensor casing so that you can later maintain or dismounting the sensor. Put

further a cable loop as sensor protection against water under the sensor.

Tip: Install the sensors on ground to the traverse and align you the wind vane parallel to the traverse. You go

only then upward, in order to accordingly align the sensors with traverse under assistance of a partner on

ground.

II. TRAVERSE WITH BORE

(Id-no.: 32.14567.010 000)

At the traverse at each end are bores with a slot and with a Ø 30 mm.

1. Remove the lower nut from the sensor.

2. Put a sensor with assembled cable sidewise into the bore.

3. Attach the sensor with the at side of detached nut from the lower side.

Tighten with a suitable tool (wrench size 36), until a twisting safety of the sensor aligned to the north is given.

III. MOUNTING INTO BORES

Material thickness for installation of the sensor between the nuts may be max. 10 mm.

1. Remove the lower thread nut from the sensor.

2. The sensor with cable-plug connection is led without cable into the bore and fastened by the opposite side with

the loose nut as under I.3.

3. The loose nut to be touched now with the at side rst over the cable, in order to fasten the sensor as under I.3.

Adjusting the wind vane to the north

For wind direction measurements the north mark on the sensor must be aligned with the geographical north

direction. You have to turn the marking exactly over the marking at the sensor shaft. When you have aligned the

marks, you may x the wind vane with e.g. a piece of adhesive tape. When you have xed the wind vane this way you

can locate the reference point by aiming at it over the axis. Now you must turn the sensor casing on the mounting tube

until the tip of the wind vane points to the reference point in the north.

To set up the sensor’s north orientation select a landmark which is as far as possible up north with regard to the nal

position of the wind direction sensor. The reference point can be selected using a topographical map (1:25000). The

exact position of the reference point is determined using an amplitude compass that can be adjusted horizontally on

a stand.

Be aware of compass misdirections.

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When the north direction is set up for the wind direction sensor, you can mounting it as under point “Principle of

installation”. Remove any adhesive tape.

If you cannot select a northern reference point owing to local conditions, you can proceed analogously using a

reference point in the south. In this case, however, you have to make sure the north mark on the sensor does not point

to the reference point but in the opposite direction.

Electrical connections

PROFESSIONAL sensors are connected to a data measuring system via the open cable end (see example “Cable

run”). The connecting cable is suitably led along the mast between the data evaluation device (indicating instrument

or data acquisition system) and the sensor. The cable must be fastened using appropriate cable ties (their length

depends on the mast diameter).

Route the cable from the pole to the base of the sensor housing via a generously sized bend to allow for easy

disassembly as well as a water trap.

Please make sure the cable is protected from humidity on the side of the data processing system. Generally,

Pg sockets that use a rubber joint to prevent humidity from penetrating into the terminal box of the data

processing system provide sucient protection.

Example: Cable run through an EMC-compliant Pg socket

Alternatively the lead can be laid also completely in the pipes of a mast, if the mast is accordingly prepared.

To reduce the risk of inductive interference the sensor must be properly grounded (screening on both

sides).

Heating

The sensor has an electronically controlled 18 watt heater in the sensor head. The heater is supplied together with the

sensor electronics. (Separate supply of the sensor electronics and the heater with a permanently connected cable is

possible on request).

Under most climatological conditions the heating prevents blocking of the moving

sensor parts (see illustration). The cup rotor or the wind vane are not heated. In case of

icing or formation of ice at the moving sensor element the function is restricted for the

period of icing.

Heating

Heizung

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Maintenance

The sensor design permits long periods of maintenance-free operation. We therefore recommend a regular visual

verication and functional test of the wind sensors as well as a sensor calibration of both sensor types at intervals of

two years. With problems, which you cannot solve, do not hesitate to contact our LAMBRECHT service under:

Tel: +49-(0)551-4958-0

E-Mail: support@lambrecht.net

Disposal

LAMBRECHT meteo GmbH is listed and registered at the Stiftung Elektro-Altgeräte Register ear under:

WEEE-Reg.-Nr. DE 45445814

In the category of monitoring and control instruments, device type: “Monitoring and control instruments for

exclusively commercial use”.

Within the EU

The device has to be disposed according to the European Directives 2002/96/EC and 2003/108/EC

(Waste Electrical and Electronic Equipment). Do not dispose the old device in the household waste!

For an environmentally friendly recycling and disposal of your old device, contact a certied disposal

company for electronic waste.

Outside the EU

Please follow the regulations in your country regarding the appropriate disposal of waste electronic equipment.

Technical data - Cable

ID 32.14567.060000 - Sensor cable with plug connection, length: 12 m

Flame resistance of the cable: acc. to UL Style 20549

DIMENSIONED DRAWING

WeitergabesowieVervielfältigungdieserUnterlage,VerwertungundMitteilungihresInhaltsnicht

gestattet,sowienichtausdücklichzugestanden.ZuwiderhandlungverpflichtenzuSchadensersatz.

AlleRechtefürdenFallderPatenterteilungoderGebrauchsmuster-Eintragungvorbehalten.

Passingonandduplicationofthisdocument,utilizationandcommunicationof

it'scontentsprohibitedunlessdefinitelypermitted.Infringementisboundto

compensation.Allrightsreservedforpatentorregisteredpattern.

Maße ohne Toleranzangabe nach

Zust. Änderungen Datum Name Dateiname Ersatz für:

Blatt

Maßstab

Material

Bearb.

Gepr.

Datum Name

Artikelnummer

DIN ISO 2768-m

Benennung

80.14567.000B02.idw

1 / 1

01.11.2022 curdt

80.14567.000B02

Oberfläche

Maßzeichnung - Kabel

Norm.

Revision

44,5

14,8



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Dimensional drawings

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Electrical connection

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PROFESSIONAL_1452x_b-de.indd 03.23

Photo copyright: © Rebel - Adobe stock

Information in this document subject to change without notice.

LAMBRECHT meteo GmbH Tel +49-(0)551-4958-0

Friedländer Weg 65-67 Fax +49-(0)551-4958-312

37085 Göttingen E-Mail info@lambrecht.net

Germany Internet www.lambrecht.net

page –10

PROFESSIONAL Wind Direction PROFESSIONAL Wind Speed

ID 00.14521.110040 00.14522.110040

GENERAL

Measuring principle Magnetical positioning encoder system (MPES)

Range of application temperature -40...+70 °C heated*; wind speed max. gusts 100 m/s

Heating 18 W heating; electronically controlled. The heating within the sensor head prevents

blocking of the moving parts under most climatological conditions.

Supply voltage 24 VDC (20...28 VDC); maximal 800 mA

Update rate 4 Hz

Housing seawater resistant aluminum; specially coated; black; IP65 in vertical position of use

Dimensions see dimensional drawings

Scope of delivery sensor; user manual

PARAMETER PROFESSIONAL Wind Direction PROFESSIONAL Wind Speed

Measuring element wind vane, dimensionally stable;

Aluminum specially coated

three-armed cup rotor;

Aluminum specially coated

Measuring range 0...360° 0.3...75 m/S

Accuracy ± 1° ± 0.3 m/s ≤ 10 m/s; ± 1 % FS ...50 m/s

Resolution < 1° < 0.1 m/s

Starting value < 0,3 m/s < 0.3 m/s

Output 4...20 mA = 0...360° 4...20 mA = 0...75 m/s

Damping ratio 0.5...0.6 ---

Distant constant --- 4 m

Weight 0.4 kg 0.35 kg

ACCESSORIES (please order separately)

ID 32.14567.060000 Sensor cable with plug connection, length: 12 m

ID 32.14627.010000 Traverse; sensor distance: 75 cm

ID 32.14567.006000 Mast adapter; diameter: 50 mm

ID 32.14565.019000 Lightning rod

Technical data - Sensors

*) In case of possible icing and ice formation on the movable sensor measuring element, the function is

reduced for the time of icing.

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