Hanna-instruments HI 9912 Manuel d'utilisateur télécharger pdf (Page 2)

TABLE OF CONTENTSTABLE OF CONTENTS

TABLE OF CONTENTS

Dear Customer,

Thank you for choosing a Hanna Product.

Please read this instruction manual carefully before using the instru-

ment. This manual will provide you with the necessary information for

a correct use of the instrument, as well as a more precise idea of its

versatility. If you need more technical information, do not hesitate to

These instruments are in compliance with the directives.

PRELIMINARY EXAMINATION ........................................................ 3

GENERAL DESCRIPTION ................................................................ 3

MECHANICAL LAYOUTS................................................................. 4

FUNCTIONAL DIAGRAM ................................................................ 6

CONNECTIONS & WIRING ............................................................ 9

NORMAL OPERATION & MEASUREMENT ..................................... 12

pH CALIBRATION ....................................................................... 13

ORP CALIBRATION ..................................................................... 14

ADJUSTEMENT OF SETPOINT(S) .................................................. 15

PROPORTIONAL CONTROL.......................................................... 15

OVERDOSAGE TIMERS ................................................................ 17

pH VALUES AT VARIOUS TEMPERATURES ................................... 18

REDOX MEASUREMENT ............................................................... 19

ELECTRODE CONDITIONING & MAINTENANCE ............................... 20

SUGGESTED INSTALLATIONS FOR pH/ORP ELECTRODES ............... 21

ACCESSORIES ............................................................................. 22

WARRANTY ................................................................................ 25

OTHER PRODUCTS FROM HANNA ............................................... 26

CE DECLARATION OF CONFORMITY.............................................. 27

1 2 3 4 5 6 7 ... 27 28

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Hanna-instruments HI 9912 Manuel d'utilisateur Page 2