1
Instruction Manual
HI 222
pH/mV/ºC
Bench Meter
with Calibration Check
www.hannainst.com
Manufacturer since 1978
Fun
ctio
ns
pH
Calib
ratio
n
HI
222
Calibration
Check
Microprocessor
pH
Meter
Con
firm
2
Buffer
nd
CFM
Selec
t 2
Buffer
nd
/
Con
firm
1 B
uffer
st
CFM
/
Selec
t 1
Buffer
st
Start
Calib
ration
CAL
CFM/GLP
Sho
w G
LP
Info
rm
ation
Set
Instru
men
t Pa
ram
eters
Cle
ar
Log
/Cal
Info
rm
atio
n
SET/CLR
RCL
Reca
ll Lo
g In
form
atio
n
LOG
Sto
re
Log
Inform
atio
n
Selec
t pH
/OR
P
RANGE
RCL
LOG
CLR
SET
C
C
RAN
GE
GLP
CFM
CAL
C
ATC
pH
SLOW
FAST
POOR
GOOD
