Thermo Scientific G100 Series, Руководство по эксплуатации

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Problem Solving
User Calibration Trouble Shooting.
8-4
G100 Range CO
2
Analyser Thermo Scientific
User Calibration Trouble Shooting.
Cross-Gas Effects
Carbon dioxide is measured by infrared absorption at a wavelength specific to carbon dioxide.
Therefore, the carbon dioxide reading will not be affected by any other gases. The oxygen sensor is a
galvanic cell type and suffers virtually no influence from CO
2
, CO, H
2
S, NO
2
, SO
2
or H
2
, unlike
many other types of oxygen cell.
Hardware Reset
If for any reason the instrument ‘locks up’ and will not switch off, it is possible to force a hardware
reset. Press and hold the ‘On/Off ’ key for 10 seconds; wait at least 15 seconds and the instrument
should restart automatically.
Error Remedy
User Zero failed A possible reason for this is because the instrument is trying
to zero to a level which is outside the predetermined range
set when the unit was calibrated at the factory. To rectify
this, first ensure the unit contains absolutely none of the gas
which is being zeroed by flushing thoroughly with nitrogen.
If it will not zero, then refer to the instructions given in the
Reset Factory Settings section. If the instrument continues
to fail to zero then the unit must be returned to the manufac-
turer for investigation.
Calibration failed Check the span target is set to the correct value, if not, cor-
rect and retry spanning the channel. Repeat the entire proce-
dure, including zeroing the channel and then calibrate the
span. Ensure the reading is stable before spanning the chan-
nel.
Note
Performing a hardware reset may cause loss or corruption of currently stored data
including the time/date.