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Teledyne GFC-7000T - Trace CO2 Analyzer - manual User Manual

Page 186

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Calibration Procedures

Model GFC7000TA Carbon Dioxide Analyzer

Teledyne Analytical Instruments

168

Source of

SAMPLE GAS

Removed during

calibration

Calibrated

CO

2

Gas

at 100x span gas

concentration

VENT

here if input

is pressurized

Chassis

PRESSURE SPAN

IZS

PURGE LINE

SAMPLE

EXHAUST

VENT SPAN

Model T700 gas

Dilution

Calibrator

External

Zero Air

Scrubber

N

2

Figure 7-6:

Pneumatic Connections – Ambient Zero/Ambient Span Valves with External Zero

Air Scrubber