RH CGS-240 - Default Chapter; Table of Contents

Introduction
CGS-240 Manual 6/15/2021
Page 2 of 148
TABLE OF CONTENTS
Introduction.............................................................................................................................. 4
1.1 Background of Humidity Generation ............................................................................................................. 4
1.2 Scope ............................................................................................................................................................. 4
Theory of operation ................................................................................................................. 5
2.1 Two-pressure principle .................................................................................................................................. 5
2.2 Combined two-pressure and two-temperature principle ............................................................................. 6
2.3 Common Defining Equations ......................................................................................................................... 6
2.4 Humidity Equations ..................................................................................................................................... 10
Installation .............................................................................................................................. 13
3.1 Facility Requirements .................................................................................................................................. 13
3.2 Utility Connections ...................................................................................................................................... 14
3.3 Initial Preparation ........................................................................................................................................ 17
Operation ............................................................................................................................... 22
4.1 Introduction to Software ............................................................................................................................. 23
4.2 Connection Window .................................................................................................................................... 24
4.3 Enter Set Point ............................................................................................................................................. 25
4.4 Selecting Control mode and initiating Generate ......................................................................................... 26
4.5 Viewing Data Numerically and Graphically .................................................................................................. 29
4.6 Change Units ................................................................................................................................................ 31
4.7 Connection of Other Instruments ................................................................................................................ 31
4.8 Data Logging ................................................................................................................................................ 32
4.9 System Settings ............................................................................................................................................ 33
4.10 Chamber ...................................................................................................................................................... 34
4.11 Door ............................................................................................................................................................. 35
Calibration .............................................................................................................................. 36
5.1 Pressure Calibration ..................................................................................................................................... 36