Hanna Instruments HI 9912, Instruction Manual

Page 1: ...ves ALARM LINE SET ORP SET pH 0 SEC OND S mV 200 0 ORP TIMER MINUTE S 90 PRO POR TIONAL SET TINGS 1 10 2 5 5 7 5 0 SECO NDS pH 2 0 0 pH TIME R MINU TES 90 PROPORTION AL SETT INGS 1 10 2 5 5 7 5 100 50...

Page 2: ...ation do not hesitate to e mail us at tech hannainst com These instruments are in compliance with the directives PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 MECHANICAL LAYOUTS 4 FUNCTIONAL DIAGRAM...

Page 3: ...strument s main power line as well as the dosage and alarm terminals are protected by separate 2A fuses Use only 2A fuses for replacement Hanna s wall mounted pH and ORP controller with proportional c...

Page 4: ...IN Fig 2 Figure 2 illustrates the controls and terminals MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS MECHANICAL LAYOUTS ELECTRODE WITH BNC CONNECTION WIRING ACCESS PORT...

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: ...for pH 2 Liquid Crystal Displays for pH and ORP 3 Acid feed LED and dial to adjust the pH setpoint 4 Alarm disable switches for pH and ORP 5 Slope calibration trimmer for pH 6 Offset calibration trim...

Page 7: ...ed dosage terminals for pH correction 19 Powered dosage terminals for ORP correction 20 110 115V or 220 240V power configuration 21 Incoming power terminals 22 Fuses BOTTOM VIEW 23 Female BNC connecto...

Page 8: ...to 200 mV with two separate time cycle from 0 to 90 seconds ALARM Relay can be configured as normally open or normally CONTACT closed isolated output Max 2A Max 240V resistive load 1 000 000 strokes T...

Page 9: ...r replace the cover replace the cover replace the cover Only then connect the controller to the power supply ELECTRODE GROUND PROBE CONNECTIONS Simply attach any combination pH and ORP electrode with...

Page 10: ...as normally closed NC by connecting the external device to the C and NC terminals or normally open NO by connecting the external device to the C and NO terminals RELAY CONNECTIONS Wire the external d...

Page 11: ...minal is activated triggering the mechanism of your choice The alarm LED lights also come on Due to the Consent Consent Consent Consent Consent feature feature feature feature feature if the pH is in...

Page 12: ...nd another for ORP The LED s light up when the controller is in the pH or ORP dosage mode and the terminals are activated 500 900 SET FEED mV ALARM OXID 700 pH ALARM 8 SET FEED 6 7 ACID For 110 115V s...

Page 13: ...e that the Reference and the Matching Pin terminals are shorted see 14 Functional Diagram If the electrode such as HI 1003 3 incorporates a ground probe matching pin then remove the jumper OFFSET ADJU...

Page 14: ...e and any ground probe have been properly connected and wired to the controller see preceding pages and that the meter is plugged to the mains Remove the electrode cap if it is still on the electrode...

Page 15: ...ONAL SETTINGS 0 5 1 5 0 SECONDS mV 200 0 90 PROPORTIONAL SETTINGS 50 150 PROPORTIONAL CONTROL PROPORTIONAL CONTROL PROPORTIONAL CONTROL PROPORTIONAL CONTROL PROPORTIONAL CONTROL In order to optimize t...

Page 16: ...responding samples or highly concentrated chemicals or under dosage with slow reacting or weak chemicals the controller provides even a more accurate control As the graphs show it does that by stoppin...

Page 17: ...ce acti vated for 15 seconds and off for 45 seconds until the next cycle 0 SECONDS mV 200 0 90 PROPORTIONAL SETTINGS 50 150 OVERDOSAGE TIMERS OVERDOSAGE TIMERS OVERDOSAGE TIMERS OVERDOSAGE TIMERS OVER...

Page 18: ...IOUS VALUES AT VARIOUS TEMPERATURES TEMPERATURES TEMPERATURES TEMPERATURES TEMPERATURES 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 1...

Page 19: ...g mediums This phenomenon is rough on the electrode To make accurate redox measurements the surface of the electrode must be clean and smooth At certain mV and pH values especially those found in pool...

Page 20: ...these bubbles If the bulb and or junction are dry soak the electrode in a HI 70300 Storage Solution overnight STORAGE To minimize clogging and assure a quick response time the glass bulb and the junc...

Page 21: ...e tip in Hanna Solu tion HI 7061 for 30 minutes rinse thoroughly with distilled water and then recalibrate the meter For ORP Electrodes Polish the metal tip with a lightly abrasive paper paying attent...

Page 22: ...ellent insulation even though Amphel elec trodes can operate with both AmpHel electrodes have a micro amplifier in the electrode cap to boost the signal drastically reducing susceptibility to noise an...

Page 23: ...ow rates from 1 5 to 18 3 lph 0 4 to 4 8 gph ChecktempC Pocket size thermometer range 50 0 to 150 0 C ChecktempF Pocket size thermometer range 58 0 to 302 0 F HI 6050 Submersible electrode holder 605...

Page 24: ...24...

Page 25: ...y the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Service depart...

Page 26: ...ITTERS TURBIDITY METERS Wide Range of ACCESSORIES Most Hanna meters are available in the following formats BENCH TOP METERS POCKET SIZED METERS PORTABLE METERS PRINTING LOGGING METERS PROCESS METERS P...

Page 27: ...ent Radiated Class B User Safety Requirement Date of Issue 07 06 1999 D Volpato Engineering Manager On behalf of Hanna Instruments S r l IEC 801 2 IEC 801 3 IEC 801 4 EN 55022 EN 61010 1 Recommendatio...

Page 28: ...cations The reference literature currently covers areas such as Water Treatment Process Swimming Pools Agriculture Food Laboratory Thermometry and many others New reference material is constantly bein...