LAR Process Analysers QuickTOC purity - Perform a Calibration; Perform a Gas Calibration

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04E3920 User Manual QuickTOC

purity

ATEX 2 145

8 Care and Maintenance

8.3 Care and Maintenance Tasks

LAR | PROCESS ANALYSERS AG

be checked.

4. Start the measurement to complete the check

8.3.13 Perform a calibration

See Chapter 7.3.11 from page 127.

8.3.13.1 Perform a Gas Calibration

1. Please check the stability of the carrier gas flow in the status screen.

2. Make sure that the injection system of the injection loop has also been previously cleaned with

calibration gas.

3. Choose the Calibration Gas Concentration in Dependance of the Measuring Range of NDIR

Detectors:

4. Open the main valve on the calibration gas cylinder and set the secondary pressure between 0.5

and 1 bar. The internal pressure regulator (KH8) of the QuickTOC

purity

is set to 0.2 bar. In the

status screen (user level II) the system pressure is displayed with approx. 200 mbar.

5. In user level II, enter the following values in the "Measurement parameters" screen:

6. In User Level II, go to the "Perform Calibration" screen on the drop-down menu and select "Gas

Calibration".

Tabelle 15: Gas Calibration

NDIR [CO2] Calibration Gas

50 ppm 450 ppm

150 ppm

500 ppm 1500 ppm