horiba GA-370, Instruction Manual

Page: 38 / 95

3 Operations
22
3.3.3 Switching mode
The mode can be switched when performing calibration.
Operating procedure
1.
Press the [CALIBRATION] button in the CALIBRATION MENU screen.
The CALIBRATION screen appears.
2. Press the [MODE] button.
The mode selection screen appears.
3.
Select the mode to which to switch and then press the [OK] button.
Fig. 18 Mode selection screen
Table 10 Selection items in mode selection screen

When the [ZERO] button is pressed
The "Please stop the gas flow." confirmation message appears so stop the flow of the
sample gas and reference gas.
Pressing [YES] switches the mode.
Pressing [NO] returns to the calibration screen without switching the mode.

When a span button of a component is pressed
The "Please flow the span gas." confirmation message appears so introduce the span gas
at the specified flow rate (standard is approximately 7.0 L/min) while checking the
flowmeter.
Pressing [YES] switches the mode.
Pressing [NO] returns to the calibration screen without switching the mode.
Item Description
[MEASURE] button Select this to end calibration and perform measurement.
[ZERO] button
Select this to perform zero calibration for each component.
Span of each
component
Select this to perform span calibration for each component.
[DELAY] button
Select this to replace the gas in the analyzer with the sample gas while remaining in
the calibration state.