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Configuration methods for referred viscosity (continued)Table 4-4:
Referred viscosity calculation
method Description
Matrix Referral • Not based on ASTM D341 standards
• Applicable to all process fluids
• Supports measurement of two to six process fluids from one
configuration
4.6.1 Configure referred viscosity measurement, ASTM D341
Single-Curve method
Referred viscosity is line viscosity corrected to a reference temperature. In other words, this
is the viscosity that the device would report if the line temperature matched the reference
temperature. The ASTM D341 single-curve method is used only with petroleum products.
It is used when the meter will measure only one process fluid.
• Configure referred viscosity measurement, ASTM D341 Single‐Curve method, using
ProLink III
• Configure referred viscosity measurement, ASTM D341 Single‐Curve method, using the
Field Communicator
Configure referred viscosity measurement, ASTM D341
Single-Curve method, using ProLink III
ProLink III Device Tools > Configuration > Process Measurement > Referred Viscosity
Overview
Referred viscosity is line viscosity corrected to a reference temperature. In other words, this
is the viscosity that the device would report if the line temperature matched the reference
temperature. The ASTM D341 single-curve method is used only with petroleum products.
It is used when the meter will measure only one process fluid.
Important
Use the ASTM D341 Single-Curve method only with petroleum products.
Prerequisites
You must know the viscosity of your process fluid at two temperatures.
Procedure
1. Choose Device Tools > Configuration > Process Measurement > Referred Viscosity.
2. Set Referred Viscosity Method to ASTM D341 Single-Curve, and click Apply to refresh the
screen.
Configure process measurement
36 Micro Motion
®
Fork Viscosity Meters (FVM)