User Guide

5
© 2003 Hanna Instruments
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.
Please read this instruction manual carefully before using the
instrument. It will provide you with the necessary information
for correct use of the instrument, as well as a precise idea of
its versatility.
If you need additional technical information, do not hesitate
to e-mail us at [e-mail].
This instrument is in compliance with directives.
MODEL IDENTIFICATION
The models HI 504XYZ-α are pH/ORP controllers.
The meaning of the last letters is according to the following
scheme: