Hanna Instruments hi 9910 User Manuals

Table of Contents

• PRELIMINARY EXAMINATION

  3
• GENERAL DESCRIPTION

  3
• MECHANICAL LAYOUTS

  4
• FUNCTIONAL DIAGRAM HI 9910

  6
• FUNCTIONAL DIAGRAM HI 9911

  9
• FUNCTIONAL DIAGRAM HI 9920

  12
• CONNECTIONS & WIRING

  14
• NORMAL OPERATION & MEASUREMENT

  19
• pH CALIBRATION

  20
• ORP CALIBRATION

  22
• ADJUSTEMENT OF SETPOINT(S)

  23
• PROPORTIONAL CONTROL

  26
• OVERDOSAGE TIMER

  29
• pH VALUES AT VARIOUS TEMPERATURES

  30
• REDOX MEASUREMENT (HI 9920)

  31
• ELECTRODE CONDITIONING & MAINTENANCE

  33
• SUGGESTED INSTALLATIONS FOR pH/ORP ELECTRODES

  34
• ACCESSORIES

  35
• WARRANTY

  37
• OTHER PRODUCTS FROM HANNA

  38
• CE DECLARATION OF CONFORMITY

  39