Thermo Electron 48C Instruction Manual Download

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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