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RKI Instruments GX-82A User Manual

Page 29

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Model GX-82A Instruction Manual

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Hayward, California (510) 441-5656

4. The reading should fall to near zero for an oxygen-free sample, or

near the level of the low concentration sample. Adjust the reading
using the AIR/▲ or (SHIFT)/▼ switches.

5. Press ON/OFF/ENTER to complete the oxygen zero sequence.

6. Turn off the zero oxygen cylinder and disconnect it from the valve.