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2012.01.27 (08:05:37)
Product Category:  Fluid Rheometer, pVT, Pycnometer 
Output Properties:  Liquid density, Viscosity, Rheology 

M7500PVT Ultra HPHT Pycnometer
Patent Pending

The Grace Instrument M7500PVT Ultra HPHT Pycnometer is an add-on module for the M7500 Ultra HPHT Rheometer and provides a means for testing liquid density changes under simulated downhole conditions, such as those found in deep oil or geothermal wells.

The M7500PVT module is also designed to test solid samples such as cements, cores, or other solids.

Both sample types can be tested without contamination by pressurization fluid.



The M7500PVT module includes two pistons ? large and small. The large piston is intended for tests involving larger changes in sample density. The small piston is intended for tests involving smaller changes in sample density, with a corresponding need for greater accuracy.

These tests are created and administered by the user with the M7500 PC software, M7500DAQ. Test results can be exported directly into Microsoft? Excel or saved as a standard .CSV text file.

The M7500 Ultra HPHT Rheometer:



The patented M7500 Ultra HPHT Rheometer is capable of testing fluid viscosity under conditions of temperature and pressure ranging from atmospheric to 30,000 psi and from 20 °F (with chiller) to 600 °F.

More M7500 add-on modules:

M7500 add-on modules provide powerful new functionality at a lower cost than competing, stand-alone instruments, while maintaining a single instrument footprint and merging seamlessly with your existing software training.

More specifications and other information can be found on our M7500 Ultra HPHT Rheometer page.




M7500PVT Pycnometer Specifications

Resolution: 0.5% of initial density
Density Range: 71% to 142%
Sample Size: Small piston: 185 to 193 ml  Large piston: 120 to 170 ml
Temperature Range: Ambient (20 °F w/chiller) to 600 °F
Pressure Range: Atm to 30,000 psi
Maximum Compressibility: 71% @ 170 ml starting volume (50% optional)
Maximum Expandibility: 142% @ 120 ml starting volume (200% optional)
Stirring magnet: 0 to 600 rpm

Computer Requirements: PC with MS Windows 9X/2000/XP/Vista/Win7


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