Owner manual

Brookfield Engineering Laboratories, Inc. Page 42 Manual No. M/98-211-A0701
V.3 Alarms
There are three adjustable alarm settings: LO ALARM %, HI ALARM % and MOTOR OFF %.
The values are set in the Set Alarms mode. Alarms are used to signal the operator that the fluid is
out of the input specification. The alarms are set in % torque values, not Viscosity, Shear Stress or
Shear Rate values. The range of values which may be entered for each alarm and their default values
are:
LO ALARM HI ALARM MOTOR OFF
Minimum value: 10% Minimum value: 0% Minimum value: 0%
Maximum value: 99.9% Maximum value: 100% Maximum value: 115%
Default value: 10% Default value: 99.9% Default value: 110%
The procedure for entering and enabling alarm values is as follows starting from the main screen:
1) Press the OPTION/TAB key to display the Options Menu.
2) Press the NUMBER 3 key to display the Alarms Options screen.
3) Press the NUMBER 1 key to View/Set Alarms.
4) Enter the LO ALARM % torque value. The new entry will overwrite the default values.
5) Press the OPTION/TAB key to move the cursor to the HI ALARM % field.
6) Enter the HI ALARM % torque value. The new entry will overwrite the default values.
7) Press the OPTION/TAB key to move the cursor to the MOTOR OFF % field.
8) Enter the MOTOR OFF % torque value. The new entry will overwrite the default value.
9) Press the ENTER key to accept the ALARM values.
10) Press the NUMBER 3 key to enable (turn on) / disable (turn off) the alarms.
11) Press ENTER to accept the ALARM condition.
Note: The LO ALARM is tripped after the % torque reading falls below the setting.
The beeping may be shut off by either the % torque reading rising above the
alarm setting or by pressing the ESCAPE key.
The HI ALARM is tripped after the % torque reading goes above the alarm
setting. The beeping may be shut off by either the % torque reading falling
below the larm setting or by pressing the ESCAPE key.
The MOTOR OFF is tripped after the % torque reading goes above the motor
off setting. The DV-III+ stops rotating and the instrument beeps. Pressing any
key turns off the beep.