Hanna Instruments HI 9912 Manuel D'utilisation page 4

LCD DISPLAY
CALIBRATION
TRIMMERS
CONTROL KNOBS
AND SWICHES
HI 9912
pH
ALARM
pH ACID FEED
7
OFFSET SLOPE ON
6 8
ALARM SET
5
OFF
2.5 7.5
0.5 1.5
10
0 2.0 0 90 1
pH SECONDS MINUTES
PROPORTIONAL SETTINGS TIMER
mV ALARM
ORP ORP
OXID FEED
mV
700
CAL ON
900
500
ALARM
SET
OFF
5
2.5 7.5
50 150
0 200 90 1 10
0
mV SECONDS MINUTES
PROPORTIONAL SETTINGS TIMER
ELECTRODE WITH
BNC CONNECTION
MATCHING PIN FOR GROUND PROBE
WIRING ACCESS
pH
1
0
2
ALARM
100
0 200
mV
ALARM
SET pH
SET ORP
LINE
PORTS
MATCHING PIN
OUTPUT TERMINALS
ALARM CONTACTS
DOSING TERMINALS
POWER SUPPLY
TERMINALS