Thermo Electron 48C User Manual

vii
Service Mode Menu....................................................................................................... 3-63
Pressure .............................................................................................................. 3-64
Flow ................................................................................................................... 3-65
Intensity Check................................................................................................... 3-66
A/D Frequency................................................................................................... 3-67
Temperature Compensation Coefficient ............................................................ 3-69
Initial S/R Ratio ................................................................................................. 3-70
Hi or Lo Multi-Point Calibration ....................................................................... 3-71
Default Coefficients .................................................................................. 3-73
Relay Logic ........................................................................................................ 3-74
Set Test Display ................................................................................................. 3-75
Internal Option Switches................................................................................................ 3-76
Remote ............................................................................................................... 3-77
RS-232 ............................................................................................................... 3-77
Zero/Span and Sample Solenoid Valves............................................................ 3-77
Double Range and Autorange............................................................................ 3-78
Lock ................................................................................................................... 3-78
Spares................................................................................................................. 3-78
CHAPTER 4 CALIBRATION ............................................................................4-1
Equipment Required ........................................................................................................ 4-1
CO Concentration Standard ................................................................................. 4-1
Zero Air Generator............................................................................................... 4-1
Compression ............................................................................................ 4-2
Drying ...................................................................................................... 4-2
Oxidation ................................................................................................. 4-2
Scrubbing ................................................................................................. 4-2
Flow Meter(s) and Controller(s) .......................................................................... 4-2
Pressure Regulator for CO Standard Cylinder ..................................................... 4-3
Mixing Chamber .................................................................................................. 4-3
Output Manifold................................................................................................... 4-3
Pre-Calibration ................................................................................................................4-3
Calibration........................................................................................................................ 4-3
Connect Instrument .............................................................................................. 4-3
Zero Adjust .......................................................................................................... 4-4
Span Adjust.......................................................................................................... 4-4
Additional Concentration Standards .................................................................... 4-6
Calibration Curve................................................................................................. 4-6
Frequency of Calibration...................................................................................... 4-6
Periodic Zero and Span Checks ....................................................................................... 4-6
References........................................................................................................................ 4-7
Hi and Lo Multi-Point Calibration................................................................................... 4-8
Default Coefficients ............................................................................................. 4-9
Cal Point 1, 2, and 3 Adjust ................................................................................. 4-9

Thermo Electron 48C Specifications

General

Brand	Thermo Electron
Model	48C
Category	Measuring Instruments
Language	English