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GE Optica User Manual
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GE
Sensing
Optica
General Eastern Dew P
oint Analyzer
Operator
’s Manual
A40238752C
January 2006
The
Optica Dew Point Analyzer
is a General Eastern Instruments product. General Eastern Instruments has
joined other GE hig
h-technology sensing busin
esses under a new
name—GE Sensing.
1
3
Table of Contents
Default Chapter
2
January
2
Table of Contents
4
Chapter 1: Features and Capabilities
13
Introduction
13
Electronics Enclosure
14
Front Panel
14
Input/Output Capability
15
The System
15
System Components
15
System Planning
15
Sensors
15
Dew Point Sensors
16
Temperature Sensor
16
Pressure Sensor
16
Theory of Operation
16
Hygrometer Function
16
Hygrometer Calibration
17
Other Hygrometer Applications
18
The PACER Cycle
18
Chapter 2: Installation
22
Introduction
22
Benchtop Installation
22
Mounting the Benchtop
22
Using the Rack Mounting Option
23
Wiring the Benchtop
26
Wall-Mount Installation
27
Mounting the Wall-Mount
27
Wiring the Wall-Mount
28
Output Wiring
29
Analog Outputs
30
Alarm Outputs
31
Serial Output
33
Sensor Information
33
Sampling Lines
34
Ensuring Heat Transfer
35
High Dew Point Measurements
35
Filter Requirements
36
Flow Rate
36
Sensor Installation
37
Model 1111H Sensor
37
Model D-2 Sensor
37
Model 1311DR Sensor
38
Model 1311XR Sensor
39
Model SIM-12H Heated Sensor and Components
41
Connecting the Sensors
42
Chapter 3: Operation
45
Introduction
45
Normal Operation
45
Operating the VGA Optica
46
Operating the 4X40 Optica
47
Network Operation
47
Process Pressure
48
Actively Measuring Process Pressure
48
Manually Entering Pressure
48
Measuring at a Different Pressure
48
Scenario 1: Measurement Without Enabling the Process Pressure Feature
49
Scenario 2: Measurement Requiring the Process Pressure Feature
50
Status Line Indications
52
Factory Default Settings
53
Sensor Balancing
54
Helpful Hints for Operating the Unit
54
Supercooled Dew Points
55
Contamination
55
Mirror Flooding
57
Sample Line Maintenance
57
Pressure Effects
57
Chapter 4: Programming the VGA Optica
60
Introduction
60
Programming Fundamentals
60
The Keys
61
Data Entry Fields
61
Units of Measure
63
User Equations
63
Menu 1
65
Analog Outputs
65
Pressure Input
66
Alarms
67
Automatic Cleaning and Balance Function
68
Data Fields
70
Buzzer/Sound
70
Network Menu
71
Datalog
72
Download Screen
73
Menu 2
74
General
75
Special
75
User Equation
75
Communication Parameters
76
Serial Output Data
77
Set Time & Date
78
Restore Defaults
78
Saving Configuration Files
79
Chapter 5: Programming the 4X40 Optica
81
Introduction
82
Programming Technique
83
Programmable Functions
85
Analog Outputs
85
Communication Parameters
85
Serial Output Units
86
Serial Output Setup
86
Alarms
87
Data Fields
88
Pressure Input
88
Automatic Cleaning and Balance Function
89
Buzzer and Sounds
92
General Settings
92
User Equations
92
Set Time and Date
93
Special
93
User Default Settings
93
Factory Calibrations
93
Chapter 6: Network-Based Programming
95
Introduction
96
Programming Screens
96
Chapter 7 : Maintenance
101
Minor Maintenance of Sensor Optics
101
Cleaning the Sensor Mirror
101
Balancing the Sensor Optics
102
Field Replacement of Sensor Mirrors
104
Replacing the Sensor Mirror
105
Test and Calibration
106
Troubleshooting
106
The Display Doesn't Light up
106
Service" Appears on the STATUS Display Line
106
Incorrect Dew Point Display
107
Balance" Remains on the Status Line
108
No Analog Output
108
No Serial Output
108
Appendix A: Specifications
111
Performance
111
Accuracy
111
Measurement Ranges
111
Response Time
111
Functionality
112
Alarms
112
Operating Ranges
112
Physical (Bench Mount
112
Physical (Wall Mount
112
Optional Accessories
113
Appendix B: Humidity Equations and Conversion Chart
115
Introduction
116
Vapor Pressure
116
Humidity
117
Appendix C: Configuring the Serial Interface
120
Wiring to a Personal Computer
121
Appendix D: Chilled Mirror Sensors
124
Introduction
124
Depression
124
Measurement Range
125
Comparing Optica Models
126
Appendix E: Glossary
128
Appendix F: Automatic Balance (for Earlier Software Versions)
131
Programming Automatic Balance for a VGA Optica
132
Programming Automatic Balance for a 4X40 Optica
132
Appendix G: Communicating with the OPTICA Using Ethernet
134
Direct Communication
135
Computer Communication
135
Determining the Available Commands
136
Retrieving the Alarm Settings
137
Retrieving the Alarm Types
138
Retrieving Supported Units
139
Retrieving Labels and Functions
140
Retrieving Analog Output Information
142
Retrieving the Measured and Calculated Values
142
4X40 Optica Configuration
144
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GE Optica Specifications
General
Brand
GE
Model
Optica
Category
Measuring Instruments
Language
English
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