Hanna Instruments ph 301 ユーザーズマニュアル
11
10
Keyboard on the Left
• 0 to 9 for numeric and decimal data in-
put.
• CLEAR to cancel wrong data entry during
programming.
Keyboard on the Right
• CAL to perform the pH, mV or tempera-
ture calibration.
• CFM/
!
!
!
!
!
to confirm pH/mV/temperature
calibration values or to manually set tem-
perature (when the temperature probe is
not connected).
perature (when the temperature probe is
not connected).
• ENTER/
"
"
"
"
"
°C to terminate the numeric data
entry or to manually set temperature (when
the temperature probe is not connected)
or to select the buffer value during pH
calibration.
the temperature probe is not connected)
or to select the buffer value during pH
calibration.
• PAPER to pull the paper.
• PGM to select a program.
• PRINT to obtain a printout (prints time,
date, sample number and pH or mV val-
ues).
ues).
• RANGE to select the measurement range
(pH or mV) or to display the calibration
buffer or the temperature on the second-
ary LCD during calibration.
buffer or the temperature on the second-
ary LCD during calibration.
• TIME to display the time and the date.
FUNCTIONAL DESCRIPTION pH 302
THE FRONT PANEL
• ON to turn the meter on
• OFF to turn the meter off
• Power LED to confirm the meter is on
ON
ON
OFF
OFF
pH METER
pH METER
TIME
TIME
0
PAPER
PAPER
7
PRINT
PRINT
8
CLEAR
RANGE
RANGE
4
1
6
3
9
CAL
CAL
5
2
PGM
PGM
.
CFM /
CFM /
ENTER /
ENTER /
pH302
pH302
m
s
s
1
2
3
2
3
Rel mV
mV
°C
ppm
ppm
pH
pH
DATE TIME
INTV
CAL
LOG
MEM
CFM
WRONG
BUF
m
s
s
1
2
3
2
3
Rel mV
mV
°C
ppm
ppm
pH
pH
DATE TIME
INTV
CAL
LOG
MEM
CFM
WRONG
BUF