4: Data Logging & Communications (U4000)
34 U3000/U4000 User Manual
(Issue 2.0)
8. If the instrument is to be left unattended for a long logging period of time the logged data could possibly
fill the memory. Select the Memory Rollover option to either Stop or Overwrite. This determines
what happens to the stored data if the memory becomes full. Similarly, select Clear log if you want to
ensure that maximum memory is available.
Note: if you select to clear all logs you will lose all the currently held log data.
9. Select Set auto start. This enables the
auto logging application.
If Set Auto start is enabled with valid
start and stop times then this entry will
change to Cancel Auto start.
10. To cancel the automatic logging session
before it commences, click the Cancel
Auto Start.
11. Select Exit to return to the FLOW
READING screen.
Monitoring the logged events
This is described in detail in Paragraph 4.1
. If you wish to view the logging progress at any time while you are
operating in FLOW READING mode, without interfering with the logging operation:
1. Press the Logger function key as described above to access the REAL TIME LOGGER screen.
2. Select View log as text or View log as graph, as required.
Manually stopping the auto logging session
1. The logging session will stop automatically
at the programmed Stop date & time.
2. If you wish to manually stop logging earlier
than programmed, press the Logger
function key to access the REAL TIME
LOGGER screen then select STOP NOW to
cease logging.
3. Select Exit to return to the FLOW
READING screen.
The logged data will remain stored in the
instrument’s memory and can be viewed at
any time as described above.
REAL TIME LOGGER DD-MM-YY HH:MM:SS
Logging to Memory Dim: mm
Unit : l/min
Log name : Quickstart
Log data to : Memory
Logging interval : 10 seconds
Start date & time : dd-mm-yy hh:mm:ss
Stop date & time : dd-mm-yy hh:mm:ss
MM DD HH MM SS
Remaining time : mm dd hh mm ss
Memory Rollover : Overwrite
Graph Y axis max. : 50
Log Totals : +Total
View log as text
View log as graph
START NOW
Cancel Auto Start
Clear log
Exit
REAL TIME LOGGER DD-MM-YY HH:MM:SS
Dim: mm
Unit : l/min
Log name : Quickstart
Log data to : Memory
Logging interval : 10 seconds
Start date & time : dd-mm-yy hh:mm:ss
Stop date & time : dd-mm-yy hh:mm:ss
MM DD HH MM SS
Remaining time : mm dd hh mm ss
Memory Rollover : Overwrite
Graph Y axis max. : 50
Log Totals : +Total
View log as text
View log as graph
STOP NOW
Set Auto start
Clear log
Exit