Yokogawa IR400 - Manual (Page 79)

6 - 40
IM 11G02N01-01E
ENT
To Measurement screen after
executing Manual Zero Calibration
ZERO
6.9.1 Zero calibration
It is used for zero point adjustment. For zero
calibration, gas suited for an application
should be used according to “(3) Standard gas
in Item 3.3 Sampling.”
(1) Press the
ZERO
key on the Measurement
screen to display the Manual Zero Cali-
bration screen.
(2) Select the Ch (component) to be
calibrated by pressing the or key.
After selection, press the
ENT
key, and
zero gas will be supplied.
(3) Wait until the indication is stabilized
with the zero gas supplied. After the
indication has been stabilized, press the
ENT
key. Zero calibration in range
selected by the cursor is carried out.
Note: For the Ch (component) for
which “AR” is selected in “6.1.1
Setting range switch mode,”
the cursor automatically moves
to the range selected in “Setting
of auto calibration component/
range” (6.2.4), and calibration is
carried out within that range.
For the Ch (components) that is set to
“both” in the “Zero Calibration” of the
Calibration Setting mode, zero calibration
is also carried out at the same time.
Caution
To close the “Zero Calibration” or
cancel this mode midway, press the ESC
key. A previous screen will return.
To close "Zero Calibration"
ESC
( )
ENT
6.9 Calibration