THIES 4.3811.00.000 User Manual

THE WORLD OF WEATHER DATA - THE WORLD OF WEATHER DATA - THE WORLD OF WEATHER DATA
Ultrasonic Anemometer 2
D
4.3811.00.000
Software version V2.00 or higher Status: 10/2006
Operating Instructions
021511/10/06
ADOLF THIES GmbH & Co. KG
Hauptstraße 76 37083 Göttingen Germany
Box 3536 + 3541 37025 Göttingen
Phone ++551 79001-0 Fax ++551 79001-65
www.thiesclima.com info@thiesclima.com

THIES 4.3811.00.000 Specifications

General

Brand	THIES
Model	4.3811.00.000
Category	Measuring Instruments
Language	English

Summary

2 Mode of Operation

2.1 Measuring principle: Wind velocity and direction

Explains how sound propagation time is used to determine wind velocity and direction based on temperature.

2.2 Measuring principle: Acoustic virtual temperature

Details how sound speed is used to measure air temperature, unaffected by pressure or humidity.

3 Preparation for Operation / Installation

3.1 Selection of installation site

Guidance on choosing an optimal location to avoid echoes and ensure accurate wind measurements.

3.2 Installation of anemometer

3.3 Alignment to north

Steps for accurately aligning the anemometer's sensor arm to true north.

3.4 Cables, cable preparation, connector installation

4 Maintenance

3.5 Connector pin assignment

Defines the function of each pin in the anemometer's connector for proper wiring.

7.1.1 General telegram structure

7.1.3 Access mode

7.1.2 Return values of ULTRASONIC

7.2 Data acquisition

7.2.1 Averaging

7.3 Serial data output

7.3.1 Data enquiry

7.3.2 Fixed telegram formats

7.5 Status information

7.5.1 Definition of status byte version 1

7.5.2 Structure of status byte version 1

Details the bit structure of the status byte, indicating data validity, temperature, and averaging.

7.6 Behaviour in fault conditions

7.7 Heating control

8 Configuration of Ultrasonic Anemometer by Customer

9 Command List, Short

10 Predefined Data Telegram

11 Technical Data