Hanna Instruments hi 4222 User Manual

HI 4221 DESCRIPTION
FRONT PANEL

REAR PANEL

1) Liquid Crystal Display (LCD)
2) Main Keyboard
3) USB connector
4) ON/OFF switch
5) Power adapter socket
6) RS232 serial communication connector
7) Temperature probe socket
8) BNC electrode connector for pH/ORP measurements
9) Reference input socket

FUNCTIONAL DESCRIPTION