Nova-Tech pH 310 - Manual (Page 10)

19
18
IMPOR
T
ANT
: For manual compensation,
you must disconnect the temperatur
e pr
obe
(see page 9). 1.
Switch the meter on.
Press the MODE
key
to select pH mode.
2.
Press the CAL/MEAS key
to enter pH
calibration mode. The CAL
indicator will
appear above the primary display
.
3.
While in pH calibration mode,
press
the MODE
key
to enter temperatur
e
calibration mode. The primary display and secondary display show the last set value.
See figur
e
4.
Check the temperature of your sample using an accurate thermometer
.
5.
Press the
▲
or
▼
keys
to of
fset the
temperatur
e to the measur
ed value
fr
om step 4.
See figur
e
6.
Press ENTER
to confirm the selected
temperatur
e and to r
eturn to the pH
measur
ement mode.
The meter will now compensate pH readings for the manually set temperatur
e.
Notes To
exit this pr
ogram without confirming the
manual temperatur
e compensation value,
DO NOT pr
ess
ENTER
in step 6. Pr
ess
CAL/MEAS
instead.
Manual T
emperature Compensation
CAL
C
A
A
5.2
5. Measurement
This meter is capable of taking measur
ements with automatic or manual temperatur
e
compensation. Automatic temperatur
e compensation only occurs when a temperatur
e sensor
is plugged into the meter
. If ther
e is no temperatur
e sensor plugged into the meter
, the default
manual temperatur
e setting is automatically 25°C. Y
ou can manually set the temperatur
e to
match your working conditions using a separate thermometer
.
Automatic T
emperature Compensation
For automatic temperatur
e compensation
(A
TC) simply plug the temperatur
e pr
obe
into the meter (see page 9 for dir
ections).
The
A
TC indicator will light on the LCD.
See figur
e
NOTE:
If you ar
e using a temperatur
e
pr
obe, the pr
obe must be submersed in the
liquid you ar
e measuring.
pH ATC
MEAS
C
A
A
5.1
CAL
C
B
B
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