
iv | Thermox CEM/O2 Analyzer
CHAPTER 4 Controller / User Interface
Areas of the Control Unit..................................................................................4-1
Control Unit Display...................................................................................4-1
Selecting Menu Options.............................................................................4-2
Exiting Menu Options ................................................................................4-2
Automatic Menu Exit Feature....................................................................4-3
On-Line Help ...............................................................................................4-3
System Password .........................................................................................4-3
Setup Key.............................................................................................................4-4
Display...........................................................................................................4-5
Process Pressure...........................................................................................4-6
System Tests..................................................................................................4-7
System Serial # ............................................................................................4-7
Primary Calibration.....................................................................................4-8
Sensor Config .............................................................................................4-11
Analog Range Key............................................................................................4-12
Analog Output Port...................................................................................4-13
Set Current Range .....................................................................................4-13
Set Track/Hold Option ..............................................................................4-14
Set Current Mode ......................................................................................4-15
Output Filtering Option...........................................................................4-16
Select Function...........................................................................................4-16
Alarm Key..........................................................................................................4-18
Overview of Alarm Functions .................................................................4-19
Alarm Set Points.........................................................................................4-20
Alarm Configure........................................................................................4-21
Relay Configure .........................................................................................4-21
Select Function...........................................................................................4-22
Service Alarm .............................................................................................4-22
Watchdog Relay .........................................................................................4-23
Exception Log.............................................................................................4-23
CHAPTER 5 Calibration
Definitions...........................................................................................................5-2
Calibrations vs. Verifications......................................................................5-2
Span and Zero Calibration Gas Definitions ............................................5-2
Types of Calibrations..........................................................................................5-3
Aborting a Calibration .......................................................................................5-4
Initiate Cal and Initiate Verify ..........................................................................5-5
Auto Calibrate/Auto Verify .........................................................................5-5
Remote Calibrate/Remote Verify...............................................................5-7
Manual Calibrate/Manual Verify...............................................................5-8
Cal/Verify Data....................................................................................................5-9
Cal Gas Value ....................................................................................................5-11
Inject Cal Gas ....................................................................................................5-12
Cal Timers..........................................................................................................5-13