Combine a Penetrometer Calibration and Blank Correction File
- Calibrate the penetrometer. See Calibrate the Penetrometer. Enter the analysis conditions and pressure table to be used when samples are analyzed with this blank correction file.
- After the low pressure run, do not empty the penetrometer. Weigh it and record the assembly mass. Use a syringe to withdraw a small amount of mercury from the tip of the capillary so that the mercury column recedes approximately 1/8 in. to 1/4 in. into the stem. This enables measurement of any rise or fall of mercury in the stem during high pressure analysis and prevents spilling of mercury into the high pressure chamber. Then install the penetrometer in a high pressure port.
- Create blank correction files by completing the high pressure run. See Create Blank Correction File.
- Create a new Penetrometer Properties file for this penetrometer. See Penetrometer Properties. From the file selection list, choose the default file for this type of penetrometer. Change the identifier to include the penetrometer serial number. Enter the calibrated volume and save the file. The Penetrometer Properties file now includes the calibrated penetrometer volume. A blank correction file has also been created for this penetrometer.
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