Trace Oxygen Analyzer | Maintenance | |
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| analyzer. |
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| 2. If erratic behavior |
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| continues, replace |
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| sensor. |
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| Atmospheric oxygen | Increase flow rate |
| diffusing through vent | and/or length of vent |
| and altering the | tubing to dilute or |
| oxygen level the | minimize oxygen |
| sensor sees | diffusion from vent to |
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| sensor. |
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Inaccurate zero |
| Turn analyzer off, |
operation (i.e. user has |
| then back on again. |
zeroed the instrument |
| Press System key |
using a gas concen- |
| when prompted by |
tration much higher |
| analyzer “Press |
than normal for a zero |
| System for Default |
gas). |
| Values”. This will |
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| return the analyzer to |
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| default calibration and |
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| zero settings. Now |
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| proceed to carefully |
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| calibrate and zero the |
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| analyzer. |
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Teledyne Analytical Instruments | 57 |