User Guide

All rights are reserved. Reproduction in whole or in part is prohibited without the

written consent of the copyright owner, Hanna Instruments Inc., 584 Park East Drive,

Woonsocket, Rhode Island, 02895 , USA.

Dear Customer,

Thank you for choosing a Hanna Product.

This instruction manual has been written for the following

products:

pH 500111 pH Controller with single setpoint, ON/OFF

control, analog output

pH 500112 pH Controller with single setpoint, ON/OFF

control, RS232 output

pH 500121 pH Controller with single setpoint, propor-

tional and ON/OFF control, analog output

pH 500122 pH Controller with single setpoint, propor-

tional and ON/OFF control, RS232 output

pH 500211 pH Controller with dual setpoint, ON/OFF

control, analog output

pH 500212 pH Controller with dual setpoint, ON/OFF

control, RS232 output

pH 500221 pH Controller with dual setpoint, propor-

tional and ON/OFF control, analog output

pH 500222 pH Controller with dual setpoint, proportional

and ON/OFF control, RS232 output

mV 600111 ORP Controller with single setpoint, ON/OFF

control, analog output

mV 600112 ORP Controller with single setpoint, ON/OFF

control, RS232 output

mV 600121 ORP Controller with single setpoint, propor-

tional and ON/OFF control, analog output

mV 600122 ORP Controller with single setpoint, propor-

tional and ON/OFF control, RS232 output

Please read this instruction manual carefully before using the

instrument. It will provide you with the necessary information

for the correct use of the instrument, as well as a precise idea

of its versatility.

These instruments are in compliance with directives.