Campbell Scientific HMP155A Temperature and Relative Humidity Probe - Manual (Page 7)

Table of Contents
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1. Introduction ................................................................. 1
2. Cautionary Statements ............................................... 1
3. Initial Inspection ......................................................... 1
3.1 Ships With ............................................................................................ 2
4. Quickstart .................................................................... 2
4.1 Assembly and Mounting ...................................................................... 2
4.2 Use SCWin to Program Datalogger and Generate Wiring Diagram .... 5
5. Overview ...................................................................... 7
6. Specifications ............................................................. 8
6.1 Temperature Sensor ........................................................................... 10
6.2 Relative Humidity Sensor .................................................................. 11
7. Installation ................................................................. 11
7.1 Siting .................................................................................................. 11
7.2 Wiring ................................................................................................ 11
7.3 Datalogger Programming ................................................................... 13
7.4 Long Lead Lengths ............................................................................ 14
7.5 Absolute Humidity ............................................................................. 15
8. Sensor Maintenance ................................................. 16
8.1 Periodic Maintenance ......................................................................... 16
8.1.1 Cleaning ...................................................................................... 16
8.1.2 Changing the Probe Filter ........................................................... 16
9. Troubleshooting........................................................ 17
10. References ................................................................ 18
Appendices
A.
Importing Short Cut Code ...................................... A-1
A.1 Importing Short Cut Code into a Program Editor ........................... A-1
A.1.1 CRBasic Datalogger ................................................................. A-1
A.1.2 Edlog ........................................................................................ A-2
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