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Hanna Instruments HI 931400, Instruction Manual, Page: 33 / 36

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Hanna Instruments HI 931400 Instruction Manual Download Page 33

3 3

HI 5412

Glass-body, single Calomel 

reference half-cell

 

electrode, refillable

with 4mm plug with 1m (3.3') cable. Use: general purpose with
constant temperature range.

ORP electrodes:

HI 3131B

Glass-body, refillable, combination platinum 

ORP 

electrode.

Use: titration.

HI 3230B

Plastic-body (Ultem

®

), gel-filled, combination platinum 

ORP 

elec-

trode. Use: general purpose.

HI 4430B

Plastic-body (Ultem

®

), gel-filled, combination gold 

ORP 

electrode.

Use: general purpose.

120 mm

4.7"

12 mm

0.5"

HI 5412

150 mm

5.9"

12 mm

0.5"

"S" VERSION

HI 3131

120 mm

4.7"

12 mm

0.5"

HI 3230

"S" VERSION

120 mm

4.7"

12 mm

0.5"

HI 4430

"S" VERSION

Ultem

®

 is registered Trademark of "General Electrics Co."

Summary of Contents for HI 931400

Page 1: ...irectives OFF C ON MR C MEM RANGE CFM COMM CAL HI 931401 MICROPROCESSOR pH METER CFM Confirm when ready Select buffer 2 value CFM Confirm when ready Select buffer 1 value CAL Start calibration pH cali...

Page 2: ...ainst com This instrument is in compliance with the CSA UL and Directives TABLE OF CONTENTS PRELIMINARY EXAM GENERAL DESCRIPTION 3 FUNCTIONAL DESCRIPTION 4 SPECIFICATIONS 6 FUNCTIONAL DESCRIPTION OF L...

Page 3: ...400 and HI 931401 GENERAL DESCRIPTION Remove the instrument from the packing material and examine it to make sure that no damage has occurred during shipping If there is any damage notify your Dealer...

Page 4: ...METER ins rum ns 1 2 3 4 5 6 7 8 C 1 2 pH pH mV CAL MEM NOT READY CON WRONG BUF I BNC Socket II Reference Electrode Socket III Reference Electrode Socket IV Temperature Probe Socket V Reset Button VI...

Page 5: ...ocedure RANGE Select pH or ORP measurement COMM For RS232 configuration MR Recall previous stored data MEM For storing display result Function ins rum ns 1 2 3 4 5 6 7 8 9 10 C 1 2 pH pH mV CAL MEM NO...

Page 6: ...orized buffers 4 01 6 86 7 01 9 18 10 01 Temperature Automatic or manual Compensation from 0 to 100 C 32 to 212 F Electrode HI 1131B glass body combination refillable pH electrode included Temperature...

Page 7: ...86 7 01 9 18 10 01 Temperature From 0 to 100 C 32 to 212 F manual or Compensation automatic with HI 7669 2W probe included Electrode HI 1131B glass body combination refillable pH electrode included Te...

Page 8: ...8 FUNCTIONAL DESCRIPTION OF HI 931401 LCD Primary Display Secondary Display C 1 2 pH pH mV CAL MEM NOT READY CON WRONG LOW BAT BUF FUNCTIONAL DESCRIPTION OF HI 9231 HI 931400 LCD...

Page 9: ...710005 or HI 710006 into the DC socket pages 4 5 VI Plug the transformer to the mains Note Make sure the main line is protected by a fuse HI 931400 and HI 931401 use an EEPROM to retain the pH mV and...

Page 10: ...known or tests are always performed at the same temperature you can simply manually compensate for it For this purpose the temperature probe must be disconnected The display will then show the default...

Page 11: ...very easy Connect the HI 7669 2W temperature probe and turn the instrument ON Dip the liquid general purpose HI 7669 2W probe into the sample and allow the reading on the secondary display to stabiliz...

Page 12: ...librated for pH a Whenever the pH electrode is replaced b At least once a week c After testing aggressive chemicals d If higher accuracy is required e After pressing RESET PREPARATION Pour small quant...

Page 13: ...d immerse it too in the buffer solution close to the pH electrode Press CAL The CAL and BUF 1 indicators and 7 01 will be displayed Press C or C until the secondary display shows the same value as the...

Page 14: ...electrode approximately 4 cm 1 into the second buffer solution and stir gentlly Attach the HI 7669 2W temperature probe and im merse it too in the buffer solution close to the pH electrode Select the...

Page 15: ...of buffer solutions are also considered too close to allow an adequate two point calibration Consequently after calibrating in one of the pair the meter will also skip the other buffer Note During cal...

Page 16: ...sser degree than normal solutions During calibration the meter will automatically calibrate to the pH value corresponding to the measured or set temperature For instance if the buffer temperature is 2...

Page 17: ...offers an on line help feature Simply run your desired spread sheet and open the file downloaded by HI 92000 Data can be further elaborated with graphics statis tical analysis etc using the most diff...

Page 18: ...ode Erroneous buffer solution used for slope calibra tion Defective electrode Out of order temperature probe Out of order pH elec trode Leave the electrode in a stor age solution after cleaning the ju...

Page 19: ...will disappear when rinsed with water During transport tiny bubbles of air may form inside the glass bulb affecting proper functioning of the electrode These bubbles can be removed by shaking down the...

Page 20: ...uld be kept moist and not allowed to dry out Replace the solution in the protective cap with a few drops of HI 70300 or HI 80300 Storage Solution or in its absence Filling Solution HI 7071 or HI 8071...

Page 21: ...following Noise Readings fluctuate up and down could be due to Clogged Dirty Junction Refer to the Cleaning Procedure above Loss of shielding due to low electrolyte level in refillable electrodes only...

Page 22: ...o depends on the temperature If constantly used at high temperatures the electrode life is drastically reduced The resistance of glass electrodes partially depends on the tempera ture The lower the te...

Page 23: ...composition of the glass This interference is the alkaline error and causes the pH to be underestimated Hanna s glass formulations have the indicated characteristics Sodium Ion Correction for the Gla...

Page 24: ...ion of 0 1 C as a reference thermometer Procedure With the instrument off press both CAL and ON keys simulta neously The CAL indicator will be lit and the secondary LCD section will show 0 0 C Immerse...

Page 25: ...he simulator Wait for 3 sec press CFM The primary LCD will display the next reading to be selected on the simulator Repeat previous two steps for 380 0 mV 500 0 mV and 500 0 mV At the end of the mV ca...

Page 26: ...ptions as follows 8 N 1 no flow control Command Types To send a command to the pH meter the scheme is DLE command CR This line makes the computer send a Data Link Escape character the command expresse...

Page 27: ...ommands will be ignored The characters sent by the meter are always capital letters When the meter receives an unknown or a corrupted command it will send a character CAN ASCII Code 24 Windows Termina...

Page 28: ...Solution 460 mL HI 8073L Protein Cleaning Solution 230 mL HI 8077L Oil Fat Cleaning Solution 460mL REFILL ELECTROLYTE SOLUTIONS HI 7071 3 5M KCl AgCl Electrolyte 4x50mL for single junction electrodes...

Page 29: ...illable combination pH electrode Use emulsions HI 1083B Glass body micro Viscolene non refillable combination pH electrode Use biotechnology micro titration HI 1131B Glass body single junction refilla...

Page 30: ...ombination pH electrode Use general field HI 2031B Glass body semimicro conic refillable combination pH electrode Use semisolid products HI 1332B Plastic body Ultem double junction refillable combinat...

Page 31: ...10B Glass body double junction conic Viscolene non refillable combina tion pH electrode Use milk yogurt FC 220B Glass body triple ceramic single junction refillable combination pH electrode Use food p...

Page 32: ...asurement Half cell electrodes HI 2110B Glass body single half cell pH electrode Use general purpose HI 5311 Glass body Ag AgCl reference half cell electrode double junction refillable with 4mm plug w...

Page 33: ...platinum ORP electrode Use titration HI 3230B Plastic body Ultem gel filled combination platinum ORP elec trode Use general purpose HI 4430B Plastic body Ultem gel filled combination gold ORP electrod...

Page 34: ...are not covered This warranty is limited to free of charge repair or replacement of the meter only if any malfunctioning is due to manufacturing defects If service is required contact the dealer from...

Page 35: ...g the operator to take all necessary steps to correct interferences The glass bulb at the end of the pH electrode is sensitive to electrostatic discharges Avoid touching this glass bulb at all times D...

Page 36: ...w w w h a n n a i n s t c o m MAN9321R2 03 97...

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