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Important User Information
Declaration of Conformity
1 Introduction
1.1
Product overview
1.2
Key parts of the SGR3
1.3
Key parts of the SGR4
2
Installation and operation
2.1
Included with the product
2.2
Mechanical installation
2.2.1
Installation for measurement of long-wave downward radiation
2.2.2
Installation for measurement of radiation on inclined surfaces
2.2.3
Installation for measurement of upward long-wave radiation
2.2.4
Installation for shaded measurement of downward long-wave radiation
2.2.5
Installation for measurement of net long-wave radiation
2.3
Electrical connections
2.3.1
Power connection
2.3.2
Data connection
2.3.3
Analogue voltage output
2.3.4
Analogue current output
2.3.5
Recommended cable types
2.4 Operation
2.4.1
Overcast sky
2.4.2
Clear sky
2.4.3
Measurements during a sunny day
2.5
Measurement uncertainty
2.6 Maintenance
3 Accessories
3.1
Diffuse radiation measurement
3.2 Ventilation
3.3 Mountings
3.4 Cables
4
SmartExplorer software and Modbus® communication
5
Principle components of pyrgeometers
5.1 Window
5.2 Detector
5.3
Temperature sensor
5.4 Housing
5.5
Cable and connector
3
5
9
9
10
10
11
11
11
11
13
13
13
14
15
15
16
17
18
18
18
19
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20
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23
23
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Table of Contents
