Michell Instruments QMA601, Руководство пользователя

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QMA601 User’s Manual
28 97449 Issue 3, June 2018
OPERATION
3.6.3 Alarm Screen
This menu allows the internal alarm parameters to be set. It is accessed through the
'Alarms' item on the Main screen.
This screen is accessed by pressing the
ENTER
key from the Configuration Screen.
Navigate between menu items with the
Up
(

) and
Down (

) keys.
Select the alarm required with the
ENTER
key.
Press the
ENTER
key to change the required option. Numerical parameter options
activate a pop up keypad. For more information on the keypad see Section 3.2.5.
To return to the Configuration Screen press the
ESC
key.
Figure 19
Alarm Screen
Parameter Description
Alarm Selector
Selects the required alarm.
Available Options: Alarm 1, Alarm 2, Alarm 3, Alarm 4 - Analyzer
Status Alarm only
Clear Latch
Clears a latched alarm.
Available Options: Yes, Cleared
Latch
Enables and disables latching of the selected alarm. If latching is
enabled the alarm will enter a 'tripped' state when the cause of the
alarm is corrected.
Available Options: YES, NO
Parameter
Selects the parameter for the selected alarm.
Available Options: Flow ml/min, Cell Pr. barg, Ext. Pr. barg, H
2
O ppm
V
,
H
2
O ppm
W
, H
2
O mg/m
3
, WVP Pa, lbs/MMscf, DP °C/°F, Oven °C/°F
Low
Selects the lower limit for the selected alarm.
High
Selects the uper limit for the selected alarm.
Table 6 Alarm Screen Parameters