Brookfield DV2T Viscometer - Manual (Page 46)

Brookfield Engineering Labs., Inc. Page 46 Manual No. M13-167-B0614
Global Alarm:
The Global Alarm establishes a single measurement parameter with a
range of acceptance. Whenever the measured value exceeds this range
of acceptance, an audible and visual alarm will be issued. The Global
Alarm will apply to any test that is run. The QC Limit also establishes a
measurement parameter with a range of acceptance; however, the QC
Limit is applied only to the test in which it is defined.
The Global Alarm can be set for any of the four measurement parameters
including; Shear Stress, Temperature, Torque and Viscosity. Once a
parameter is selected, both low and high limits must be entered. These
limits are independent of the spindle and speed selected. When the global
alarm is triggered, the DV2T will provide an audible alarm and a Warning
message on the screen (see Figure IV-6). The error message will provide
some detail about the alarm condition. The test and data collection will
continue while the Warning message is displayed. The audible alarm
will continue to sound until the operator touches the OK button within the
Warning box.
Figure IV-6
The Running Viscosity Test display will show a colored box around the data
parameter associated with the Global Alarm. When the alarm condition
is first met, the colored box will be yellow. If the measurement parameter
returns to the acceptable range, then the colored box will be removed.
When the alarm condition is met a second time, the colored box will be
red (see Figure IV-7). The audible alarm will only sound once.
Figure IV-7