Teledyne GFC-7001E - Trace CO Analyzer - Manual (Page 188)

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 188
9.2. MANUAL CALIBRATION CHECKS AND CALIBRATION OF
THE GFC 7001E/EM ANALYZER IN ITS BASE
CONFIGURATION
ZERO/SPAN CALIBRATION CHECKS VS. ZERO/SPAN CALIBRATION
Pressing the ENTR key during the following procedure resets the stored values for OFFSET and SLOPE
and alters the instrument’s Calibration.
This should ONLY BE DONE during an actual calibration of the GFC 7001E/EM.
NEVER press the ENTR key if you are only checking calibration.
9.2.1. SETUP FOR BASIC CALIBRATION CHECKS AND CALIBRATION
STEP ONE: Connect the Sources of Zero Air and Span Gas as shown below.
Figure 9-1: Pneumatic Connections – Basic Configuration – Using Bottled Span Gas