Hanna Instruments HI 221 - Manual

1
Instruction Manual
HI 221 HI 223
pH/mV/ºC
Bench Meters
with Calibration Check
www.hannainst.com Manufacturer since 1978
Functions
pH Calibration
HI 223
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
C
ATC
pH
SLOW FAST
POOR GOOD