HMP45C Table of Contents
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1. General Description
...............................1
2. Specifications
…......................................2
2.1 Temperature Sensor ......................................................................2
2.2 Relative Humidity Sensor..............................................................2
3. Installation
...............................................3
3.1 Siting..............................................................................................3
3.2 Assembly and Mounting................................................................3
4. Wiring
......................................................5
5. Example Programs
….............................6
6. Long Lead Lengths
................................9
7. Absolute Humidity
................................12
8. Sensor Maintenance
.............................14
9. Troubleshooting
..................................15
10. References
.........................................15
Figures
3-1. HMP45C and 41003-5 Radiation Shield on a Tripod Mast ................4
3-2. HMP45C and 41003-5 Radiation Shield on a CM200 Series Crossarm.4
Tables
1-1. Recommended Lead Lengths.............................................................. 1
4-1. Connections for Single-Ended Measurements.................................... 5
4-2. Connections for Differential Measurements....................................... 6
4-3. Power Connections using SW12V Peripherals................................... 6
5-1. Calibration for Temperature ............................................................... 7
5-2. Calibration for Relative Humidity ..................................................... 7
5-3. Wiring for Single-ended Measurement Examples.............................. 7
6-1. Wiring for Differential Measurement Examples ............................. 10
7-1. Wiring for Vapor Pressure Examples .............................................. 13
8-1. Chemical Tolerances of HMP45C.................................................... 16
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