M21-400 REV.1.1 DVPLUS DIGITAL VISCOMETER - OPERATIONAL MANUAL
Figure 2-10.1 Figure 2-10.2
End conditions are defined in the table below:
Parameter Type Units (per Settings) Range Tolerance
Time Equal to (=) Seconds 1 second to 48 hours
n/a
Torque
Equal to (=)
Greater Than (>)
%
mNm
dyne•cm
0.0-100%
Varies
Temperature
Equal to (=)
Less Than (<)
Greater Than (>)
°C
°F
K
-100 to 300°C Varies
Viscosity
Equal to (=)
Greater Than (>)
cP
Pa•s
mPa•s
P
Varies Varies
# of Revs Equal to (=) n/a 1-9999 n/a
None n/a n/a n/a n/a
If “None” is selected, the DVPlus will run the test until stopped by the operator. The End Condition "Time" cannot be
set for more than 48 hours.
TIP: Be sure to select a time value that provides sucient time to allow for the equilibrium of the torque sensor.
A short time value may result in erroneous data if the torque sensor has not achieved a stable deflection for the
measurement condition. AMETEK Brookfield recommends a minimum time value of 20 seconds. However, this
can be reduced based on user judgement by observing when the torque stabilizes.
TIP: Slow speeds require a longer time for the equilibrium of the measurement sensor. When using speeds less
than 5 RPM, consider a time value of 60 seconds or longer.
2.11 QC Limits
The DVPlus Viscometer has a QC Limits feature that allows the operator to select an acceptable range for
measurement results. The range may be defined by Torque, Viscosity, Temperature, and Time. The QC Limits feature
can also be turned o by selecting None.
To Next Page
Loading...
