Graph Time Base - Hach 9240 Manual Básico Del Usuario

3. Select the VIEW SETUP option to define the parameters for the data you wish to view.
4. The FROM data field is the date (DD/MM/YY) from which you want to start viewing data.
5. The AT data field is the time (HH:MM:SS format) from which you want to start viewing the data.
6. The CH field defines the channel for which you want to view the data.
7. If you wish to see the ALARMS information (both system and warning alarms), select Yes in this
field, or No if alarm information is not required.

Graph time base

For graphical displays, enter the number of hours as the base line for the graph.
Alarms
1. Select the ALARMS option to set up the parameters for all the alarms including the system and
warning alarms.
2. Select the alarm to set up.
3. General alarms:
Limit
Mode Sample flow
Active channel
Attributes Channel n
Limit nnnn
Up
Direction
Down
Delay nnn seconds
Hysteresis nn%
N.O.
Relay
N.C.
4. Warning alarm:
Yes Activate the warning alarm
Alarm
No Deactivate the warning alarm
Manual When the alarm is triggered, turn it off by pressing the Enter function key
Accept
When the alarm is triggered, it will turn itself off only when the reason for the alarm being
Auto
triggered is no longer valid
N.O. Normally open
Relay
N.C. Normally closed
5. System alarm:
Yes
Alarm
No
N.O.
Relay
N.C.
Trigger the alarm when the measurement is above or below a pre-defined limit
Trigger the alarm when the sample flow rate is too low
Trigger the alarm when the channel is active
Defines the channel number on which the alarm is triggered
Define the limit when the alarm should be triggered
Trigger alarm when measurement is above the limit
Trigger alarm when measurement is below the limit
The delay before the alarm is activated
Hysteresis %
Normally open
Normally closed
Activate the system alarm
Deactivate the system alarm
Normally open
Normally closed
English 17