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Recovering
Thermo Fisher Scientific
Chapter 9
Troubleshooting & Service
If the memory or instrument calibration has been lost but the detector and
electronics are still functional, follow the procedure below to recover
Memory
memory.
Note This procedure assumes that the SGD-O gauge was fully calibrated
as described in this manual and that the water standardization value and
slope correction value were recorded from the last calibration. If these two
values are not available, it is not possible to perform this procedure.
Note Reference
1. Erase memory (DAC 74).
2. Load the oilfield setup (DAC 1016).
3. Enter the pipe ID (DAC 048003).
4. Run the standardization cycle (DAC 121). (Ignore what is in the pipe.
This was done to set command flags in memory.)
5. Enter the water value recorded during the last calibration (DAC
128003).
6. Enter the slope correction value recorded from the last calibration
(DAC 049003).
The gauge will now be in the condition it was when brought to the job site.
Any changes made to the instrument at the job site should be done now.
Chapter 2
for instructions on how to use a DAC.
SGD-O User Guide
9-1
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