Gas Calibration Procedures; Required Tools; Main Menu - Emerson Rosemount CT5100 Operation Manual

9

Gas Calibration Procedures

Topics covered in this chapter:
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The gas concentrations measured by the CT5100 CGA can be calibrated against a known
sample gas by using the following gas calibration procedures. The CT5100 CGA and its
installation have to be configured to allow zero and span calibration procedures to be
used. If you are unable to complete the steps below, contact Emerson for further
assistance.
9.1

Required tools

To calibrate the CT5100 CGA, you need the following items:
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9.2

Main menu

Calibration is performed under the control of the CT5100 CGA software, using calibration
routines built in to the software. The calibration functions are accessed through the Main
menu
sensor main screen or the Pressure and Temperature screen, as described in
Operations Manual
Required tools
Main menu
Zero Calibration
Span gas calibration
Nitrogen gas of instrument gas purity for use as a zero calibration gas
Suitable span calibration gases for each gas measured
Gas bottle pressure regulators
Interconnecting hoses to connect the gas bottles to the CT5100 CGA
A T-piece and excess flow line
(Figure 9-1). To get to the Main menu, press the MENU button on either the gas
Gas Calibration Procedures
Chapter 5.
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