Campbell-scientific BlackGlobe Temperature Sensor for Heat Stress Manual de usuario descargar pdf (Pagina 5)

Table of Contents

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1. Introduction.................................................................1

2. Cautionary Statements...............................................1

3. Initial Inspection .........................................................1

3.1 Ships With List.....................................................................................1

4. Overview......................................................................2

5. Specifications .............................................................2

5.1 Accuracy ..............................................................................................2

6. Installation...................................................................4

6.1 Siting ....................................................................................................4

6.2 Assembly and Mounting ......................................................................4

6.2.1 Mounting the BlackGlobe on the Mounting Arm .........................4

6.2.2 Mounting the BlackGlobe Assembly on a Horizontal

Crossarm....................................................................................6

7. Operation.....................................................................7

7.1 Wiring ..................................................................................................7

7.2 Calculations..........................................................................................8

7.2.1 Wet-Bulb Globe Thermometer Index (WBGT) ............................8

7.2.2 Dewpoint.......................................................................................8

7.2.3 Vapor Pressure ..............................................................................9

7.2.4 Saturated Vapor Pressure ..............................................................9

7.2.5 Wet-Bulb.......................................................................................9

7.2.6 Mean Site Barometric Pressure Calculation (SP_kPa)................10

7.3 Programming......................................................................................10

7.3.1 Example CR1000 Program .........................................................10

7.4 Long Lead Lengths ............................................................................12

8. Maintenance ..............................................................12

9. References ................................................................12

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Campbell-scientific BlackGlobe Temperature Sensor for Heat Stress Manual de usuario Pagina 5