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23. 110/115V or 220/240V power configuration
24. Incoming power terminals
25. Fuses

BOTTOM VIEW

26. Female BNC connector for a combination pH electrode
27. 4-mm Banana socket for the pH ground probe
28. Female DIN connector for conductivity probe

Unplug the instrument from the power supply before
wiring or replacing the fuses.

Summary of Contents for HI 9913

Page 1: ...ES 90 PROPORTIONAL SETTINGS 4 0 SECONDS pH 2 0 0 TIMER MINUTES 90 PROPORTIONAL SETTINGS 1 SLOPE CAL ALARM ON OFF 0 5 1 5 SET FERT mS OFFSET SLOPE ALARM ON OFF 0 5 1 5 SET ACID ALA HI 991 1 10 2 5 5 7...

Page 2: ...s are in compliance with the directives EN 50081 1 50082 1 and 61010 1 PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 MECHANICAL LAYOUTS 4 FUNCTIONAL DIAGRAM HI 9913 6 FUNCTIONAL DIAGRAM HI 9923 9 FU...

Page 3: ...s Use only 2A fuses for replacement Hanna s wall mounted conductivity TDS and pH controllers are designed to meet a variety of process control requirements especially those in horticultural hydroponic...

Page 4: ...s MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS BNC CONNECTOR MATCHING PIN FOR GROUND PROBE DIN CONNECTOR WIRING ACCESS PORTS Fig 1 The controllers com...

Page 5: ...then close the compartment Adjustments can then be made only in the control area without having to open the contacts compartment Figure 4 is a dimensioned front view of the wall mounted controller Th...

Page 6: ...r pH and Conductivity EC 3 Acid feed LED and dial to adjust the pH setpoint 4 Selection switch for Acid or Alkaline dosage 5 Alarm disable switch for pH 6 Slope calibration trimmer for pH 7 Offset cal...

Page 7: ...NO position 21 Powered dosage terminals Relay for pH correction 22 Powered dosage terminals Relay for EC correction 23 110 115V or 220 240V power configuration 24 Incoming power terminals 25 Fuses BO...

Page 8: ...independent controls pH from 0 0 to 2 0 and Conductivity EC from 0 0 to 2 0 mS cm with two separate time cycles from 0 to 90 seconds Terminals can be configured as normally open or normally closed iso...

Page 9: ...arm disable switch for pH 6 Slope calibration trimmer for pH 7 Offset calibration trimmer for pH 9 Two independent overdosage timers 10 Alarm LED signal for Conductivity 11 Bleed LED and dial to adjus...

Page 10: ...power terminals 25 Fuses BOTTOM VIEW 26 Female BNC connector for a combination pH electrode 27 4 mm Banana socket for the pH ground probe 28 Female DIN connector for conductivity probe Unplug the ins...

Page 11: ...d ZERO CAL and SLOPE CAL for Conductivity DEAD BAND From 0 0 to 0 5 mS cm mmho cm Terminals can be configured as normally open or normally closed isolated output Max 2A Max 240V resistive load 1 000 0...

Page 12: ...Liquid Crystal Display for pH and TDS ppm or mg L 3 Acid feed LED and dial to adjust the pH setpoint 5 Alarm disable switch for pH 6 Slope calibration trimmer for pH 7 Offset calibration trimmer for...

Page 13: ...115V or 220 240V power configuration 24 Incoming power terminals 25 Fuses 26 27 28 BOTTOM VEW 26 Female BNC connector for a combination pH electrode 27 4 mm Banana socket for the pH ground probe 28 F...

Page 14: ...from 0 to 90 seconds Terminals can be configured as normally open or normally closed isolated output Max 2A Max 240V resistive load 1 000 000 strokes The alarm is activated if pH falls below the setp...

Page 15: ...atching Pin and Reference terminals shorted see 18 Functional Diagram If you are not using a matching pin ground probe leave the terminals shorted leave the terminals shorted leave the terminals short...

Page 16: ...er supply not need an external power supply not need an external power supply not need an external power supply not need an external power supply for the pumps or electrovalves The relay for the pH is...

Page 17: ...tacts will open or close triggering the mechanism of your choice When the alarm is activated alarm is activated alarm is activated alarm is activated alarm is activated all other terminals all other t...

Page 18: ...CONNECTION Before Before Before Before Before connecting the unit to the mains connecting the unit to the mains connecting the unit to the mains connecting the unit to the mains connecting the unit to...

Page 19: ...holes on the external sleeve The probe must be installed in such a way as to minimize presence of air bubbles see probe installation tips at the end of the manual Remove the protective cap if it is st...

Page 20: ...rom one buffer to the next If no separate ground probe is being used make sure that the Reference and the Matching Pin terminals are shorted see 18 Functional Dia gram If the electrode such as HI 1003...

Page 21: ...cted and wired to the controller see preceding pages and that the meter is plugged to the mains Calibration should be ideally performed at a temperature similar to that of the liquid to be monitored Z...

Page 22: ...ust the CAL SLOPE trimmer to display the same value as the calibrations solution at 25 C For example with HI 7031L you should adjust the display to 1 41 mS cm and with HI 70442 to 1500 ppm Once the co...

Page 23: ...9935 will then dose acidic solutions to reduce the pH until the user selected setpoint is reached The dosing terminals of HI 9923 instead are activated when the pH value falls below the setpoint HI 99...

Page 24: ...less the setpoint over the cycle NOTE If the setting is left at 0 pH the controller will operate as an ON OFF control with no proportional dosage In this case the controller will operate with a 0 1 p...

Page 25: ...15 seconds In order to avoid over dosage of highly concentrated chemicals or fertilizers the controller provides even a more accurate control As the graphs show it does that by stopping the dosage as...

Page 26: ...s provide for an overdosage alarm system The operator can set the maximum amount of time that the dosage terminals should continuously remain activated CONDUCTIVITY DEAD BAND CONDUCTIVITY DEAD BAND CO...

Page 27: ...IMER MINUTES 1 10 2 5 5 7 5 TEMP pHVALUES C F 4 01 6 86 7 01 9 18 10 01 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 4 01 4 00 4 00 4 00 4 00 4 01 4 0...

Page 28: ...ling the electrode in such a way that it is constantly in a well filled with the sample stream or tank When not in use pour a few drops of HI 70300 Storage Solution or in its absence HI 7007 pH 7 01 B...

Page 29: ...trode handy When anomalies are not resolved with a simple maintenance change the electrode and recalibrate the controller to see if the problem is alleviated ACCESSORIES ACCESSORIES ACCESSORIES ACCESS...

Page 30: ...tuating enure that the probe has been properly mounted and that it constantly lies in a well filled with the solution Air bubbles also disturb the measurements especially with HI 3001D and the probe s...

Page 31: ...lectrodes have a micro amplifier in the electrode cap to boost the signal drastically reducing susceptibility to noise and drift For more details about these or other specially made electrodes consult...

Page 32: ...s HI 3002 comes with external 1 2 NPT and thread 60 mm 2 4 immersion level HI 7638 FOR IN LINE INSTALLATION HI 7638 comes with stainless steel external 3 8 NPT thread and 60 mm 2 4 immer sion level It...

Page 33: ...l external threads for high temperature and pressure Hanna manufactures an extensive range of pH electrodes and EC TDS probes for process water treatment and fertilizer applications Consult the specif...

Page 34: ...from the Customer Service department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection To validate your warranty fill...

Page 35: ...N 61010 1 HI 9913 HI 9923 HI 9935 Recommendations for Users Before using this product make sure that it is entirely suitable for the environment in which it is used Operation of this instrument in res...

Page 36: ...of applications The reference literature currently covers areas such as Water Treatment Process Swimming Pools Agriculture Food Laboratory Thermometry and many others New reference material is consta...

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