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IM 11G02M01-01E
3. Wait until the indication is stabilized in the
state where the calibration gas is supplied.
After the indication has been stabilized,
press the
ENT
key. Span calibration of
Range selected by the cursor is performed.
6.9.2 Span calibration
It is used to perform a span point adjustment. Supply calibration gas with concentration set to the
span value to perform the span calibration. For the span calibration gas for the NO, SO
2
, CO
2
,
CO, CH
4
masurement, use the standard gas with a concentration of 90% or more of the range
value.
For the calibration gas for the O
2
measurement,
use the standard gas of 1 to 2 vol%.
When Range Interlock from “Calibration
Range” of the Calibration Setting mode is
set, span calibration is performed together
with 2 Ranges.
Caution
To close the " Span Calibration " or cancel
this mode midway, press the key.
A previous screen will return.
To close Span Calibration
ESC
1. Press the
SPAN
key on the Measurement
screen to display the Manual Span Calibra-
tion screen.
2. Press the
or
key to select CH (com-
ponent) to be calibrated. After selection,
press the
ENT
key, and the span calibration
contact output on corresponding to CH is
turned ON. And supply span gas.
To Measurement screen after
executing Manual Span Calibration
ENT
SPAN
(
)
ENT
