SD 50
pH
Lock/Unlock Data!
C. Select pH/mV
D. Backlight ON/OFF
____________________________________________________________________________________________
Note: Icons/Characters in
RED
meaning "
BLINK
"
: Hit once /
: Press and hold /
: Release
3
F. Store Data
1. In lock mode:
2s
2. In measurement mode:
2s
(or
2s
)
3. When the storage is full, it will overwrite the oldest data.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
G. System Setup
Menu selection:
2s
(latest memory#)
(
7.00
or
6.86
)
(
dd-mm-yy/24hr
or
mm-dd-yy/12hr
)
(
°C
or
°F
)
(
31-12 24
or
12-31 12ampm
)
.....
To enter:
!
F. pH Buffer 7.00 -> 4.00 -> 10.00
MEASUREMENT
pH CALIBRATION
Immerse the probe
into pH7 buffer
solution.
Exit here for one
point calibration
Exit here for two
point calibration
or go for second point calibration as follows:
or go for third point calibration as follows:
wait
wait
wait
Clean the probe first,
then immerse into pH4
buffer solution.
Clean the probe first,
then immerse into
pH10 buffer solution.
(4) (7) (10)
on the Display
Remove protective cap from the probe
E. Store Data
Three point calibration
finished.
L M H
Low, Middle, High
Press
Press for
3 seconds
Insert the batteries
unlock
off
off
pH
unlock
off
Automatically turns off after 8 minutes of
inactivity.
Possible slight delay after pressing
before freeze of the data (!).
Mode „mV“ does not show ORP on the display,
only milivolts.
to switch, unfreeze data (see B).
After 3 sec. the file no. temporarily appears
on the display, e.g. 02.
Once the storage has reached max. capacity,
the data will overwrite the oldest files.
off
pH
lock
on
on
mV
• Re-Calibrate according to individual recommendations! Rinse the electrode with destilled water after each measurement.
• Choose Lovibond Standard Solutions or produce them with buffer tablets according to the kit manual (see backside).
Remove protective cap from the probe.
Power ON (see A)
GB
Characters in
RED
represent „
Flashing symbols
“.
4
5
6
+
+
+
1
2
3
+
-
-
-
-
www.ssb-berlin.de
