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pH300 V1.0 7/09
9
Measuring the millivolt value for a sample solution
1.
Turn the meter ON using the power key
2.
Momentarily press MODE to switch to the mV mode, if necessary
3.
Connect the electrode to the meter
4.
Immerse the electrode in the sample solution, slowly stir the solution with the
electrode and then allow it to rest in the solution
5.
When the smile face icon appears on the LCD, the reading has stabilized
mV Programming Parameters
Prompt Parameters Code
Settings
P1
Back light display time
0 -1-3-6 min
P2
Auto power off time
0 -10-20 min
Parameter P1 (Display Backlight Setting)
1.
Press MODE to access the P1 Parameter
2. Use
the
CAL
or the
M+/RM
keys to select 0, 1, 3, or 6 minute default backlighting
time
3. Momentarily
press
MODE
to move to the next parameter (P2) or press
ENTER
to
return to the normal measurement mode
Parameter P2 (Automatic Power OFF Setting)
1.
From the P2 menu, use the
CAL
or the
M+/RM
keys to select a 0, 10, or 20 minute
Auto Power OFF time
2. Momentarily
press
MODE
to move back to Parameter P1, or press
ENTER
to
return to the normal measurement mode
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