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Hanna Instruments HI 4211, Instruction Manual, Page: 73 / 76

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Hanna Instruments HI 4211 Instruction Manual Download Page 73

7 3

ORP ELECTRODES

HI 3131B

Glass-body, refillable, combination platinum 

ORP 

electrode.

Use: titration.

HI 3230B

Plastic-body (Ultem

®

), gel-filled, combination platinum 

ORP 

electrode.

Use: general purpose.

HI 4430B

Plastic-body (Ultem

®

), gel-filled, combination gold 

ORP 

electrode.

Use: general purpose.

Consult the Hanna General Catalog for more electrodes with screw-type or BNC connectors.

Kynar

®

 is registered Trademark of “Pennwalt Corp.”

Ultem

®

 is registered Trademark of “General Electric Co.”

Summary of Contents for HI 4211

Page 1: ...1 HI 4211 HI 4212 pH mV ISE Temperature Bench Meters Instruction Manual www hannainst com...

Page 2: ...nstrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization number from the Technical Service Department and then send it with shipping costs prepaid When shipping any...

Page 3: ...YSTEM SETUP 14 pH SETUP 20 mV SETUP 32 ISE SETUP HI 4212 only 33 pH CALIBRATION MEASUREMENTS 39 mV RELATIVE mV MEASUREMENTS 44 ISE CALIBRATION MEASUREMENTS HI 4212 only 46 LOGGING 57 PC INTERFACE 62 p...

Page 4: ...eck The display can be configured as a single channel or dual channel display HI 4212 only in various modes Basic information only GLP information Graph mode and Log History mode Each channel can be c...

Page 5: ...Crystal Display LCD 2 Main Keyboard 3 USB connector 4 ON OFF switch 5 Power adapter socket 6 RS232 serial communication connector 7 Temperature probe socket 8 BNC electrode connector for pH ORP measur...

Page 6: ...adapter socket 6 RS232 serial communication connector 7 Temperature probe socket Channel 2 8 BNC electrode connector for pH ORP ISE measurements Channel 2 9 Reference input socket Channel 2 10 Temper...

Page 7: ...nding on the current menu e g and in Measure mode Note All the virtual keys are assigned to the focused channel HI 4212 only LCD GENERAL DESCRIPTION To enter exit calibration mode To select the desire...

Page 8: ...0 0 1 8 1 9 s r e f f u b m o t s u c 5 d n a n o i t a r b i l a C E S I n o i t a r b i l a c t n i o p e v i f o t p U e l b a l i a v a s n o i t u l o s d r a d n a t s d e x i f 5 t i n u t n e...

Page 9: ...NC connector located on the rear panel of the instrument For electrodes with a separate reference connect the electrode s BNC to the BNC connector and the electrode s reference to the reference input...

Page 10: ...tions will be displayed Channel 1 Channel 2 or multi channel with the first or the second channel focused The Choose Channel Configuration message is displayed in the Reminder messages area Select the...

Page 11: ...tailed GLP data will be displayed on the LCD for pH Measure and ISE Measure modes only Last Calibration date and time Offset and Slope values Calibration Buffers Standards and general information rega...

Page 12: ...logged data for the selected parameter will be plotted Notes If no data were logged the graph displaying mode will not be accessible If no automatic log is saved the offline graph will not be availabl...

Page 13: ...isplayed on the LCD The log history list also contains the appropriate mV values the logged temperature the temperature compensation source as well as the records time stamp Note If no data were logge...

Page 14: ...isable the beeper When the beeper is enabled a specific beep will be heard when the reading becomes stable when an alarm condition is reached when pressing a key or if a wrong key is pressed Stability...

Page 15: ...ues will be saved automatically To modify the Saving Confirmation option Press while in Measure mode Press Use or toselecttheSavingConfirmationoption Press and use or to highlight the desired Saving C...

Page 16: ...e modified options are saved automatically Date Time This option allows the user to set the current date time and the format in which they appear These parameters will be displayed on the Measure scre...

Page 17: ...ne hour before last pH ION calibration a pop up warning will appear on the LCD notifying the user that a date time conflict has occured and some time dependent modes could work improperly e g Measure...

Page 18: ...fter restarting the instrument Serial Communication This option allows the user to set the desired speed for the serial communication baud rate between the instrument and PC The meter and the PC progr...

Page 19: ...er Information option Press to confirm your selection and to view the Meter Information or press to return to the System Setup menu Restore Factory Settings This option allows the user to reset the in...

Page 20: ...de Temperature Source HI 4212 only If using a temperature probe Automatic Temperature Compensation will be performed relative to the displayed temperature with the ATC indicator displayed on the LCD F...

Page 21: ...he data regarding the pH calibration process Buffer Entry Type Three entry modes for the pH buffers used for calibration are available Automatic the instrument automatically selects the closest buffer...

Page 22: ...ess and use or to highlight the desired option Press to confirm your selection or press to cancel operation Edit Custom Buffers If you want to use other buffers than the ones already memorized the Edi...

Page 23: ...e Buffer Group Press while in pH Measure mode Press Use or to select the Calibration option Press anduse or tohighlighttheEdit Buffer Group option Press and use and to choose the pH buffer to be inclu...

Page 24: ...d option Press and use to select next previ ous entry to be edit Press and use or to set the desired value then press to save the modified value Press to return to the Calibration options If the Savin...

Page 25: ...e ID Increment Mode option Press and use or to highlight the desired option Press to confirm your selection or press to cancel operation Edit Sample ID This option allows the user to edit the sample I...

Page 26: ...n allows the user to select the signal stability criterion for the measured parameter pH mV ISE Fast this criterion will give faster results with less accuracy Medium this criterion will give medium s...

Page 27: ...tervals while with the Manual type the user has the capability to log a measured value by pressing With the AutoHold type the stored values are only the ones frozen on the LCD after the logging sessio...

Page 28: ...e desired sampling period for automatic logging type To set the Sampling Period Press while in pH Measure mode Press Use or to select the Log option Press and use or to highlight the Sampling Period o...

Page 29: ...exceeded Alarm State Three modes are available for the Alarm State option Disabled the alarm will be disabled Inside Limts the alarm will notify the user when the measured value is inside the set lim...

Page 30: ...electrode used for pH measurements The isopotential point is the mV reading for an electrode at which temperature has no effect on the measurement The ideal electrode has an isopotential point of 0 0...

Page 31: ...n be set with one x x two x xx or three x xxx decimals To set the pH Resolution Press while in pH Measure mode Press Use or to select the pH Resolution option Press and use or to highlight the desired...

Page 32: ...nel Press and then to access mV Setup menu To access a mV Setup option Use or to highlight the desired option Press to access the selected option The following is a detailed description of the mV Setu...

Page 33: ...ther methods are incremental see ISE Theory section for details page 54 Direct If using Direct reading mode the ion concentration can be read directly from the instrument Make sure the instrument was...

Page 34: ...lly usefull when there is no available ISE for the measured ion To set the Reading Mode Press while in ISE Measure mode Press Use or to select the Reading Mode option Press and use or to highlight the...

Page 35: ...s in a displayed pop up menu To set the Standard Entry Type Press while in ISE Measure mode Press Use or to select the Calibration option Press and use or to highlight the Standard Entry Type option P...

Page 36: ...r to cancel operation For the Ion name the Text Editor menu will be displayed on the LCD Enter the desired information by accepting the highlighted character which is added in the text bar using The a...

Page 37: ...ation unit for the measured ion or chemical compound The available concentration units are ppt g L ppm mg L ppb g L mg mL M mol L mmol L and w v To set the Concentration Unit Press while in ISE Measur...

Page 38: ...n Setup options If the Saving Confirmationisenabled press toacceptthemodifiedoption toescapewithoutsavingor toreturntotheediting mode Otherwise the modified option is saved automatically Note If an IS...

Page 39: ...beakers for each buffer solution One for rinsing the electrode and one for calibration If you are measuring in the acidic range use pH 7 01 or 6 86 as first buffer and pH 4 01 3 00 or 1 68 as second...

Page 40: ...wait message will appear on the LCD until the reading is stable or the buffer is validated If the pH buffer is validated will appear on the LCD Press to update calibration The calibration buffer will...

Page 41: ...lly select the closest buffers to the measured pH value from all the available buffers and the used buffer value can be selected with or CALIBRATION MESSAGES Wrong buffer Please check the buffer this...

Page 42: ...t reading mode see pH Setup for details page 20 Submerge the electrode tip and the temperature probe approximately 4 cm 1 into the sample to be tested Allow time for the electrode to stabilize The mea...

Page 43: ...tion ATC feature connect and submerge the HI 7662 T temperature probe into the sample as close as possible to the electrode and wait for a few seconds If the temperature of the sample is known Manual...

Page 44: ...trument will display the measured mV value on the LCD Note If the reading is out of range will be displayed on the LCD DIRECT AUTOHOLD MEASUREMENT To measure mV of a sample using the Direct AutoHold r...

Page 45: ...formed no Rel mV offset set Notes If the measured mV potential is out of range will be displayed on the LCD If pressing while in Relative mV Measure mode the Relative mV offset screen will be dis play...

Page 46: ...any EMC interferences For accurate calibration and to minimize cross contamination use two beakers for each standard solution One for rinsing the electrode and one for calibration Note For accurate m...

Page 47: ...d will appear on the LCD Press to update calibration The calibration point value will be added to the Calibrated Standards section The Please wait message will appear on the LCD for 10 seconds and unt...

Page 48: ...li bration with the new standard solution If the isopotential point of the electrode is unknown the ion calibration and measurements can be performed only without temperature compensation see ISE Setu...

Page 49: ...message will be displayed on the LCD notifying the user that at least a two point ISE calibration must be performed For accurate measurements add the appropriate ISAB Ionic Strength Adjustment Buffer...

Page 50: ...ress and then to select ISE Measure mode for the selected channel Select the Known Addition method see ISE Setup for details page 33 Press to start the measurement The first step of the method will be...

Page 51: ...ect the Known Subtraction method see ISE Setup for details page 33 Press to start the measurement The first step of the method will be displayed on the LCD in which the user is notified to add the app...

Page 52: ...ent from 0 mL to the standard and to immerse the electrode into the Standard Volume of set concentration The method parameters are also displayed on the LCD Press to set the method parameters Press to...

Page 53: ...xit method parameters edit menu Note For the Analyte Subtraction method the stoichiometric ratio factor between standard and sample must also be set in order to take accurate measurements Make sure th...

Page 54: ...n charge n Activity and concentration are related by an activity coefficient expressed as where a the activity of the ion being measured the activity coefficient C the concentration of the ion being m...

Page 55: ...ement of samples whose constituents are variable or concentrated Incremental techniques can reduce errors from such variables as temperature viscosity or pH extremes and will provide indirect analysis...

Page 56: ...sample analyte is added to an ion standard being measured The analyte reacts with the measured ion in a known manner thus removing measured ions from the solution From the change in mV the concentrat...

Page 57: ...will be available in Measure mode Note For HI 4212 the or will be available in multichannel Measure mode depending on the focused channel To log data using this mode Press while in Measure mode to sta...

Page 58: ...or a 50 000 seconds logging time the minimum log sampling will be 10 seconds Press to exit log interval edit menu and then press to save the current log with the new configuration While the instrument...

Page 59: ...while in Measure mode to manually log a record The Logged indicator will be displayed on the LCD The records will be stored in one lot In order to change the logging lot see the measured unit Setup f...

Page 60: ...LCD after was pressed and the stability criterion reached To store another frozen value press to return to normal logging mode and then again To stop the logging session press or Notes For the automat...

Page 61: ...her with GLP information last calibration date and calibrated buffers standards if a calibration has been performed on the se lected mode and the logged values measured value mV value temperature valu...

Page 62: ...ration In this case communication between instrument and PC may not be possible If choosing the USB serial interface use a standard USB cable to connect your instrument to the PC For both serial inter...

Page 63: ...1 0 5 4 2 1 0 3 3 0 3 6 8 3 8 6 1 5 9 9 2 7 1 0 4 1 5 8 6 8 9 9 6 7 3 1 9 2 6 9 9 6 8 2 2 1 5 3 8 0 3 5 9 8 8 6 1 1 9 9 2 6 2 0 4 2 4 8 6 9 8 9 6 8 0 1 9 9 1 9 9 8 2 1 2 1 0 4 3 1 3 4 0 1 3 9 6 1 0 9...

Page 64: ...g down the electrode as you would do with a glass thermometer If the bulb and or junction is dry soak the electrode in HI 70300 or HI 80300 Storage Solution for at least one hour For refillable electr...

Page 65: ...used for connection to the instrument must be intact and there must be no points of broken insulation on the cable or cracks on the electrode stem or bulb Connectors must be perfectly clean and dry If...

Page 66: ...V m y r D n o i t c n u j e n a r b m e m 0 0 3 0 7 I H n i k a o S t a r o f n o i t u l o s e g a r o t S r u o h e n o t s a e l s e o d t n e m u r t s n i e h T e h t h t i w k r o w t o n e b o...

Page 67: ...14 00 12 50 13 00 13 50 14 00 0 10 0 14 0 20 0 10 0 18 0 29 0 40 The resistance of glass electrodes partially depends on the temperature The lower the temperature the higher the resistance It takes mo...

Page 68: ...n in FDA approved bottle 500 mL ELECTRODE CLEANING SOLUTIONS HI 70000P Electrode Rinse Sachets 20 mL 25 pcs HI 7061L General Purpose Solution 500 mL bottle HI 7073L Protein Cleaning Solution 500 mL bo...

Page 69: ...ent Solution 500 mL pH ELECTRODES All electrodes part numbers ending in B are supplied with a BNC connector and 1 m 3 3 cable as shown below HI 1043B Glass body double junction refillable combination...

Page 70: ...HI 1330B Glass body semimicro single junction refillable combination pH electrode Use laboratory vials HI 1331B Glass body semimicro single junction refillable combination pH electrode Use flasks HI...

Page 71: ...ody Ultem double junction refillable combination pH electrode Use general purpose HI 1413B Glass body single junction flat tip Viscolene non refillable combination pH electrode Use surface measurement...

Page 72: ...ss body double junction conic Viscolene non refillable combination pH electrode Use milk yogurt FC 220B Glass body triple ceramic single junction refillable combination pH electrode Use food processin...

Page 73: ...lled combination platinum ORP electrode Use general purpose HI 4430B Plastic body Ultem gel filled combination gold ORP electrode Use general purpose Consult the Hanna General Catalog for more electro...

Page 74: ...HI 76404N Electrode holder HI 8427 pH and ORP electrode simulator with 1 m 3 3 coaxial cable ending in female BNC connectors HI 931001 pH and ORP electrode simulator with LCD and 1 m 3 3 coaxial cabl...

Page 75: ...tic discharges Avoid touching this glass bulb at all times During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges Any variation introduc...

Page 76: ...3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 SouthAfrica Tel 011 615 6076 Fax 011 615 8582 Tai...

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