4
FUNCTIONAL DESCRIPTION
1) Liquid Crystal Display (LCD)
2)
CFM / GLP
key, to confirm different values or to display Good Laboratory
Practice information
3)
CAL
key, to enter and exit/escape the calibration mode
4)
/ ºC key, to manually decrease temperature, or other parameters
5)
/ ºC key, to manually increase temperature, or other parameters
6)
RCL
key, to enter or exit the recall mode
7)
LOG
key, to store measured data
8)
RANGE
key, to select the measurement range or switch the focused data
9)
SET / CLR
key, to enter the Setup mode or clear calibration history
10)
ON / OFF
switch
11) Power supply socket
12) BNC connector for electrode
13) Pin input socket
14) Temperature probe socket
15) RS232 serial communication port
Note:
Pin input socket can not be used as reference input for separate
electrode reference.
Functions
pH Calibration
HI 222
Calibration Check
Microprocessor pH Meter
Confirm 2
Buffer
nd
CFM
Select 2
Buffer
nd
/
Confirm 1
Buffer
st
CFM
/
Select 1
Buffer
st
Start Calibration
CAL
CFM/GLP
Show GLP Information
Set Instrument Parameters
Clear Log/Cal Information
SET/CLR
RCL
Recall Log Information
LOG
Store Log Information
Select pH/ORP
RANGE
RCL
LOG
CLR
SET
C
C
RANGE
GLP
CFM
CAL
Primary LCD
Secondary LCD
C
ATC
pH
SLOW
FAST
POOR
GOOD
1
8
3
2
7
4
6
5
10
9
Electrode
Condition
Electrode
Response
POWER
12VDC
INPUT
TEMP
11
12
13
14
RS232
15
Front Panel
Rear Panel