Manual

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Table of Contents
CHAPTER 1
GENERAL INFORMATION............................................................................ 7
About This Manual ................................................................... 7
Contents of This Manual ....................................................... 7
Version Information...............................................................8
Related Manuals ................................................................... 8
General Safety Considerations ............................................. 8
Feedback............................................................................... 9
Product Related Safety Precautions ...................................... 9
ESD Protection ......................................................................... 9
Recycling ................................................................................10
Regulatory Compliances.......................................................10
Patent Notice ..........................................................................11
Trademarks............................................................................. 11
Warranty..................................................................................11
CHAPTER 2
PRODUCT OVERVIEW................................................................................ 13
Introduction to HMM211 ........................................................ 13
CHAPTER 3
TO BE NOTED WHEN MEASURING HUMIDITY........................................15
CHAPTER 4
INSTALLATION............................................................................................ 17
Selecting Location ................................................................. 17
Dimensions............................................................................. 18
Electrical Connections...........................................................18
CHAPTER 5
CALIBRATION ............................................................................................. 21
One-Point Humidity Calibration............................................22
With the Hand-Held Humidity and Temperature Meter
HM70 or HMI41 Indicator and Calibration Cable ................ 22
With Pushbuttons and a Jumper.........................................23
Two-Point Humidity Calibration............................................23
Two-Point Humidity Calibration Procedure......................... 24
Calibration Table .................................................................... 25
Temperature Calibration........................................................ 26
Temperature Calibration of an RH and T Module............... 26
Temperature Calibration of a Dewpoint Module ................. 27
Temperature Calibration of an RH and T Module with
Two Sensor Heads..............................................................27
VAISALA ________________________________________________________________________ 3