Table Of Contents - Hanna Instruments HI 710 Series Instruction Manual

Dear Customer,
Thank you for choosing a Hanna Product.
This instruction manual has been written for the following
products:
HI 700221-
HI 700222-
HI 710221-
HI 710222-
= 1 means 115 Vac, 50/60 Hz power supply
= 2 means 230 Vac, 50/60 Hz power supply
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.
If you need additional technical information, do not hesitate
to e-mail us at tech@hannainst.com.
These instruments are in compliance with the
© 2001 Hanna Instruments
All rights are reserved. Reproduction in whole or in part is prohibited without the written
consent of the copyright owner.
2
EC controller with dual setpoint, ON/OFF
and PID controls, analog output.
EC controller with dual setpoint, ON/OFF
and PID controls, RS485 port.
EC and TDS controller with dual setpoint,
ON/OFF and PID controls, analog output.
EC and TDS controller with dual setpoint,
ON/OFF and PID controls, RS485 port.
directives.

TABLE OF CONTENTS

PRELIMINARY EXAMINATION . . . . . . . . . . . . . . . . . . 4
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . 4
FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . 6
MECHANICAL DIMENSIONS . . . . . . . . . . . . . . . . . . 7
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SETUP MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CONTROL MODE . . . . . . . . . . . . . . . . . . . . . . . . . 18
IDLE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
ANALOG OUTPUT . . . . . . . . . . . . . . . . . . . . . . . . 27
RS 485 COMMUNICATION . . . . . . . . . . . . . . . . . . 29
CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
LAST CALIBRATION DATA . . . . . . . . . . . . . . . . . . . . 44
FAULT CONDITIONS AND SELFTEST PROCEDURES . . 45
EXTERNAL FUNCTIONS . . . . . . . . . . . . . . . . . . . . . 48
STARTUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
EC VALUES AT VARIOUS TEMPERATURES . . . . . . . . . 50
PROBE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 51
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
CE DECLARATION OF CONFORMITY . . . . . . . . . . . 55
3