Memory capacity, memory output, clearing the memory
15.5 Memory capacity, memory output, clearing the memory
While measured values are being recorded the
Memory free
function continu-
ously displays the memory capacity still available. Selecting this function en-
ables two softkeys, one for direct memory output and one for memory clearing.
Function
Memory capacity free e.g.
Memory free
108.4
MB
To output memory content via interface
<PMEM>
To clear memory (i.e. reformat the memory card)
<CMEM>
If a
memory card
is being used the device itself can only read out (in table
mode) the measured data contained in the file most recently used.
The most sensible approach is to remove the memory card and copy the files
via a USB card reader directly onto a PC. These can then be imported either
into MS-Excel or into Win-Control.
During memory output the
Output Remaining
function continuously updates and
displays the amount still to be output.
Memory output, remaining
Output Remaining
12.5 MB
15.6 Memory time available
An important parameter for data recording is the memory time available. This de-
pends on the memory still free, cycle and the number of active measuring channels.
Memory time
available in days (D) and hours (h)
Memory time 24 D 13 h
15.7 Sleep mode
For long-term monitoring involving long measuring cycles the device can also be
operated in sleep mode. In energy-saving sleep mode the measuring instrument
switches off completely after each measuring channel scan (sensors with their
own power supply) and switches on again automatically after the cycle expires -
ready for the next measuring channel scan. In this way with just one set of bat-
teries or one battery recharge over 15000 measuring channel scans can be per-
formed. For a cycle lasting 10 minutes this represents an available measuring
duration of over 100 days.
For
data recording in sleep mode
the following parameters must be set :
1. Enter a cycle lasting at least two minutes
Cycle
00:05:00
2. Enable memory activation by pressing
<M-ON>
Cycle
00:05:00 S
In the following menu accessible by pressing
< ►F >
3. Program sleep mode by pressing
<ON>
:
Sleepmode: Ø
4. In the measuring menu start measuring operation by pressing
<START>
The device should then display
Sleep On
The device then switches off and the only visible activity is the flashing red
LED ´
SLEEP
´ at the top of the display.
LED ´
SLEEP
´ (4) flashes
5. The device switches on automatically as per the specified cycle, performs
one measuring channel scan, and then switches off again.
6. To quit sleep mode press
<ON>
7. To terminate the measuring operation press
<STOP>
ALMEMO
®
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