Table of contents
1. Introduction 1
2. Precautions 1
3. Initial inspection 1
4. QuickStart 2
5. Specifications 5
5.1 Air temperature measurement 8
5.2 Relative humidity measurements 8
5.3 Barometric pressure measurements 8
5.4 Wind speed measurements 9
5.5 Wind direction measurements 9
5.6 Precipitation input 9
5.7 Precipitation measurements 9
5.8 Compass 9
6. Installation 10
6.1 Wiring 10
6.1.1 RS-485 wiring 10
6.1.2 SDI-12 wiring 10
6.1.3 RS-232 wiring 11
6.2 Programming 11
6.2.1 Modbus programming 12
6.2.2 SDI-12 programming 13
6.2.3 RS-232 programming 13
6.3 Siting considerations for wind measurements 14
6.4 Mounting 14
7. Operation 15
7.1 Modbus measurements 15
7.2 SDI-12 measurements 18
7.3 RS-232 default settings 20
7.4 Sensor status code 23
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