Hanna Instruments hi 9912 User Manuals

Table of Contents

• 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