Hanna Instruments HI 931400 Скачать руководство пользователя страница 11 | Manualshive

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ORP MEASUREMENTS

Press RANGE.

Submerge the ORP or ISE electrode tip (4cm/
1½") into the sample.

Allow a few minutes for the reading to stabi-
lize.

If readings are out of range "---" will appear
on the LCD.

See also "Taking REDOX Measurements" on page 16.

TEMPERATURE MEASUREMENTS

Taking a

temperature measurement is 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 stabilize.

HOLD FUNCTION

Press and hold MEM. The last reading will be frozen on the display
until MEM is released. During this operation, the MEM indicator is
also shown on the LCD.

Press MR and the previously memorized reading will be displayed
with the MEM indicator on the LCD.

4 cm

(1½

")

mV

ºC

mV

°C

MEM

pH

°C

MEM

pH

°C

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Содержание HI 931400

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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