Campbell CMP11-L, Instruction Manual

Page: 5 / 42

Table of Contents
PDF viewers: These page numbers refer to the printed version of this document. Use the
PDF reader bookmarks tab for links to specific sections.
1. Introduction.................................................................1
2. Cautionary Statements...............................................1
3. Initial Inspection .........................................................1
3.1 Ships With............................................................................................2
3.2 Calibration Certificate..........................................................................2
4. Quick Start...................................................................2
4.1 Siting ....................................................................................................2
4.2 Mounting..............................................................................................3
4.3 Datalogger Programming / Wiring.......................................................5
5. Overview......................................................................6
5.1 Models..................................................................................................6
5.2 Construction .........................................................................................6
6. Specifications .............................................................7
6.1 Pyranometers........................................................................................7
6.2 CVF3 Ventilation Unit.........................................................................8
7. Installation...................................................................9
7.1 Mounting to a Tripod or Tower............................................................9
7.2 Wiring ................................................................................................11
7.2.1 CMP6, CMP11, and CMP21 Thermopile Schematic..................12
7.2.2 CMP6 and CMP11 Wiring..........................................................12
7.2.3 CMP21 Wiring............................................................................13
7.3 Programming......................................................................................14
7.3.1 Solar Radiation Measurements ...................................................14
7.3.1.1 Input Range ......................................................................15
7.3.1.2 Multiplier..........................................................................15
7.3.1.3 Offset................................................................................16
7.3.1.4 Output Format Considerations .........................................16
7.3.2 CMP21 Internal Thermistor Measurement .................................16
7.3.3 Example Programs ......................................................................17
7.3.3.1 CR1000 Example Program for Measuring a CMP6 .........17
7.3.3.2 CR1000 Example Program for Measuring a CMP11 .......18
7.3.3.3 CR1000 Example Program for Measuring a CMP21 .......19
7.3.3.4 CR10X Example Program for Measuring a CMP6 ..........20
i