Perform a High Pressure Analysis

The analyzer is designed to perform two high pressure analyses simultaneously. To run only one analysis, the other chambers must be closed tightly and have sufficient high pressure fluid to be drawn into the vent valve.

Low and high pressure analyses can be performed simultaneously.

  • Select the sample files for analysis for each port
  • Edit the penetrometer properties
  • Edit analysis conditions
  • Monitor analysis as data are collected

 

Each sample’s high pressure analysis should be performed on the same analyzer as the low pressure analysis. The analyzer checks to see that the same analyzer is used before it begins the high pressure analysis; if it is not, the analyzer displays a warning message. The analysis can be continued or canceled.

  1. Select the sample file with a status of Low Pressure Complete or High Pressure Complete.

If a selected sample file to be analyzed on a 9605 analyzer contains pressures exceeding 33,000 psia, the following message displays:

  • Click Yes to proceed with the analysis; only pressures less than 33,000 psia will be used.
  • Click No to cancel the analysis.

  1. Install a Penetrometer in a High Pressure Port. See Install a Penetrometer in a High Pressure Chamber.
  2. Click Start to start the analysis immediately. A live graph of the analysis displays as data are being collected. See Monitor a High Pressure Analysis.
  3. Remove the penetrometer after the analysis. See Remove a Penetrometer from a High Pressure Chamber.

 

If it was not requested that the transducer offset be determined (Options > Atmospheric Pressure), and if the current high pressure reading differs significantly from the atmospheric pressure, a prompt displays requesting verification that the system is at atmosphere.

 

For maintenance purposes, it is possible to perform a high pressure analysis with no penetrometer. Open the High Pressure Analysis window and enter the name of a file with a No Analysis status. Continue the analysis after a warning message displays.

High Pressure Analysis Fields and Buttons Table
Field or Button Description
Analysis type

Regular. Performs a differential analysis with the blank penetrometer in port 1.

Differential, blank in port 1. Performs a differential analysis with the blank penetrometer in port 1.

Differential, blank in port 2. Performs a differential analysis with the blank penetrometer in port 2.

See High Pressure Differential Analysis

Assembly mass Sample + penetrometer + mercury mass.
Atmospheric pressure Enter the atmospheric pressure if it differs from the default entry. The default entry is pulled from the information entered in Options > Atmospheric Pressure.
Determine transducer offset Select to allow the system to determine the transducer offset. The default entry is pulled from the information entered in Options > Atmospheric Pressure.
  For fields and buttons not listed in this table, see Common Fields and Buttons.
 
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