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This analyzer is used to operate continuously for a long time. To keep the sufficient
performance, regular inspection is required.
４－１.
Inspection frequency and items
Following four frequent inspections are required.
* Daily inspection …… By user
* Monthly inspection …… By user
* Every 6 months/12 months …… By manufacturer or authorized
service engineer
<Daily inspection>
Item
Judgement
Confirmation of
“PW/TR” LED light
“PW/TR” LED light is continuously ON during normal operation.
Light OFF or flashing condition means the occurrence of trouble.
Countermeasure in accordance with “Trouble shooting.”
Confirmation
of indication
When minus indication or abnormal indication is displayed, check
the reference gas value and make “Reference gas calibration.”
Confirmation of
sample flow rate to
“GAS IN” and
“REF IN”
Check that 300±25ml/min is supplied to both “GAS IN“ and
“REF IN.” If not, adjust it to 300±25ml/min respectively.
Also check the value of other flowmeter and pressure gauge for
external pipings.
Confirmation of
“CONTRAST”LED
light and
“BRRIGHT”LED
light
These lights are turned off in normal condition.
Flashing of these lights mean that the deterioration of
interferometric sensor is progressing.
It is progressed further, the analyzer becomes in trouble and
measurement cannot be done. Replace interferometric sensor
before troubling.
４．Maintenance and inspection
－ Maintenance contract －
It is recommendable to make maintenance contract for regular
inspection, adjustments, repairing including gas calibration to
maintain stable operation and sensitivity.
Please contact with our nearest agent for details of maintenance
contract.
