Hanna-instruments HI 9912 Manual de usuario

Instruction ManualHI 9912Wall MountedDual pH/ORPControllerhttp://www.hannainst.comThese Instruments are inCompliance with the CE DirectivesALARMLINESE

10pH0120100200mVALARMpH0SECONDSmV2000TIMERMINUTES90PROPORTIONAL SETTINGS1102.557.50SECONDSpH2.00TIMERMINUTES90PROPORTIONAL SETTINGS1102.557.5500900CAL

11ALARM DOSING TIMEMINUTES1102.557.5ALARMONOFFMAIN POWER SUPPLY CONNECTION•BeforeBeforeBeforeBeforeBefore connecting the unit to the mains, make sure

12Make sure that the controller has been properly calibrated beforecommencing and that the pH and ORP setpoint(s) have beenadjusted (see the following

13pHOFFSET SLOPEALARMONOFF7.014cm(1½")HI 70074cm(1½")HI 70074cm(1½")HI 7007Make sure that the pH electrode and any ground probe have be

144cm(1½")HI 7010pHOFFSET SLOPEALARMONOFF10.01SLOPE ADJUSTMENT:• Rinse the electrode (and ground probe)thoroughly with water and immersethe botto

15Make sure that the electrode (and any ground probe) is properlyinstalled and calibrated (see the preceding pages).FOR pHSimply turn the pH ACID FEE

160SECONDSpH2.0090PROPORTIONAL SETTINGS0.5 1.5D pHSeconds15 30 45600.250.500.751.001.251.501.752.0015 30 45 60D pHSeconds15 30 45600.250.500.751.001.2

17ALARM DOSING TIMEMINUTES1102.557.5e.g. ORP proportional controlSetpoint = 750 mVMeasured value = 725 mVDelta = 750 - 725 = 25 mVProportional setting

18Please refer to the following chart for a more accurate pH calibra-tion:For instance, if the buffer temperature is 25°C (77°F), calibrate themeter t

19REDOX MEASUREMENTREDOX MEASUREMENTREDOX MEASUREMENTREDOX MEASUREMENTREDOX MEASUREMENTRedox measurements allow the quantification of the oxidizing or

2TABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSDear Customer,Thank you for choosing a Hanna Product.Please read

20The protective cap should also be filled with a few drops of HI 70300storage solution if the electrode is not being used at all.Note: With industria

21For more specific cleaning procedures, refer to the electrode’s instruc-tion manual.IMPORTANT: After performing any of the cleaning procedures rinse

22This type of connection is very delicate and requires constant attentionto maintain proper operating conditions.The conventional electrodes may be u

23pH CALIBRATION SOLUTIONSHI 7004L pH 4.01 buffer solution, 460 mLHI 7007L pH 7.01 buffer solution, 460 mLHI 7010L pH 10.01 buffer solution, 460 mLORP

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25All Hanna controllers are warranted for two years againstdefects in workmanship and materials when used for their intendedpurpose and maintained acc

26• CABLES AND CONNECTORS• CALIBRATION AND MAINTENANCE SOLUTIONS• CHEMICAL TEST KITS• CHLORINE METERS• CONDUCTIVITY/TDS METERS• DISSOLVED OXYGEN METER

27CE DECLARATION OF CONFORMITYCE DECLARATION OF CONFORMITYCE DECLARATION OF CONFORMITYCE DECLARATION OF CONFORMITYCE DECLARATION OF CONFORMITYHI 9912D

MAN9912R106/01http://www.hannainst.comHANNA LITERATUREHANNA LITERATUREHANNA LITERATUREHANNA LITERATUREHANNA LITERATUREHanna publishes a wide range of

3PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONGENERAL DESCRIPTIONGENERAL DESCRIP

4pH0120100200mVALARMpH0SECONDSmV2000TIMERMINUTES90PROPORTIONAL SETTINGS1102.557.50SECONDSpH2.00TIMERMINUTES90PROPORTIONAL SETTINGS1102.557.5500900CALA

53.8“96.9 mm25 mm1“75 mm3“Fig. 3227.8 mm9“188.6 mm7.4“221.8 mm8.7“174.8 mm6.9“Fig. 4Figure 3 is a dimensioned, bottom view of the Wall MountedControll

6FUNCTIONAL DIAGRAM HI 9912FUNCTIONAL DIAGRAM HI 9912FUNCTIONAL DIAGRAM HI 9912FUNCTIONAL DIAGRAM HI 9912FUNCTIONAL DIAGRAM HI 9912pH0120100200mVALARM

7Unplug the instrument from the power supply beforewiring or replacing the fuses.2324252617. Triple contact alarm in a Normally Closed (NC) or a Norma

8Specifications HI 9912RANGE 0.00 to 14.00 pH and 0 to 1000 mVRESOLUTION 0.01 pH and 1mVACCURACY ±0.02 pH and ±5 mV(@20°C/68°F)TYPICAL EMC ±0.1 pH and

9CONNECTIONS & WIRINGCONNECTIONS & WIRINGCONNECTIONS & WIRINGCONNECTIONS & WIRINGCONNECTIONS & WIRINGELECTRODE WITHBNC CONNECTIONW