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10.2.5 Performing a manual span calibration
Description
Before starting span calibration, the operator shall supply span gas to the detector and check that the
display is stabilized.
Operation
(example)
Key operation
(1)
(2)
(3)
(4)
(5)
(6)
How to cancel
Press the
key to cancel the operation.
After the cancellation, be sure to close the valves of span gas.
INZ-TN1ZKME-E
Performing span calibration on the screen
Display the screen on the right in accordance with the key
operation summary and press the
calibration screen appears.
Press the
key to perform manual span calibration.
If supplying calibration gas manually (without the auto-
calibration function)
The operator shall open the span gas valve manually and adjust
the flow rate to 1.5 ± 0.5 L/min.
If your detector has the auto-calibration function, you can
activate the external solenoid valve using the contact output
signal at the terminal block.
Oxygen concentration value and cell electromotive force are
displayed.
Wait until the oxygen concentration is stabilized.
Press the
key to determine the span calibration factor.
During the process, the oxygen concentration value and cell
electromotive force are highlighted.
After the calibration is completed, the display returns to the
screen on the right.
If the operator opened the span gas valve manually, close the
valve.
Description
key , the manual span
- 57 -
Displayed message
(LCD)
CALIBRATION MENU
MANUAL SPAN CAL.
MANUAL SPAN CAL.
START
MANUAL SPAN CAL.
20.61 % 000.1 mV
MANUAL SPAN CAL.
20.61
%
000.1
mV
CALIBRATION MENU
MANUAL SPAN CAL.
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