Hanna Instruments HI 254 Скачать руководство пользователя страница 30 | Manualshive

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CLEANING PROCEDURE

General

Soak in Hanna

HI 7061

or

HI 8061

General

Cleaning Solution for approximately ½ hour.

Protein

Soak in Hanna

HI 7073

or

HI 8073

Protein

Cleaning Solution for 15 minutes.

Inorganic

Soak in Hanna

HI 7074

Inorganic Cleaning

Solution for 15 minutes.

Oil/grease

Rinse with Hanna

HI 7077

or

HI 8077

Oil and Fat

Cleaning Solution.

IMPORTANT:

After performing any of the cleaning procedures, rinse the

electrode thoroughly with distilled water, refill the reference chamber with

fresh electrolyte (not necessary for gel-filled electrodes) and soak the electrode

in

HI 70300

or

HI 80300

Storage Solution for at least 1 hour before taking

measurements.

All manuals and user guides at all-guides.com

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Содержание HI 254

Страница 1: ...1 Instruction Manual HI 254 Microprocessor Based pH mV C Bench Meter www hannainst com All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of purchase serial number and the nature of the problem If the repair is...

Страница 3: ...lied accessories The HANNA HI 254 is a logging microprocessor based pH and temperature bench meter HI 254 can also measure Oxidation Reduction Potential ORP in mV range Relative mV feature is also pro...

Страница 4: ...witch 11 Powersupplysocket 12 BNCelectrodeconnector 13 Electrodereferencesocket 14 Temperature probe socket 15 RS232serialcommunicationconnector FUNCTIONAL DESCRIPTION Front Panel Primary LCD Secondar...

Страница 5: ...i l a C H p n o i t a r b i l a c t n i o p 5 r o 4 3 2 1 e l b a l i a v a s r e f f u b 7 8 1 9 1 0 7 6 8 6 1 0 4 8 6 1 5 4 2 1 1 0 0 1 e r u t a r e p m e T n o i t a s n e p m o c m o r f c i t a...

Страница 6: ...ture compensation connect the temperature probe to the appropriate socket INSTRUMENT START UP TurntheinstrumentonbypressingtheON OFFswitch All LCD tags are displayed and a beep is sounded while the in...

Страница 7: ...ure of 25 C or the last temperature reading with the C tag blinking The temperature can now be adjusted with the ARROW keys from 9 9 Cto120 0 C mV ORP MEASUREMENTS An optional ORP electrode must be us...

Страница 8: ...layed by the instrument is equal to the difference between the current mV input value and relative mV offset established in the relative mV calibration TEMPERATURE MEASUREMENTS Connect the HI7669 2W t...

Страница 9: ...range use pH 7 01 or 6 86 as first buffer and pH4 01orpH1 68assecondbuffer Ifyouaremeasuringinthealkalinerange use pH 7 01 or 6 86 as first buffer and pH 10 01 or pH 12 45 as second buffer PROCEDURE C...

Страница 10: ...rature probe approximately 4 cm 1 into the second buffer solution and stir gently The temperature probe should be close to the pH electrode If necessary press the ARROW keys to select a different buff...

Страница 11: ...ferpH tagsand Old tagonthesecondaryLCD aredisplayedblinking aninconsistencybetweennewandprevious old calibration is detected Clear calibration parameters by pressing SET CLR and proceed with calibrati...

Страница 12: ...trumentchecksifthetime outtimehasexpired Ifthetimeelapsed the CAL INTV tags will blink as a reminder Note If the instrument was not calibrated the CAL INTV tags will be displayed even if the feature i...

Страница 13: ...as not used during last calibration Press and hold down SET CLR if you want to see calibration date or time if old calibration was made in the same day with current calibration If no bUF message appea...

Страница 14: ...No 5 dated September 14 If there are less than 6 memory locations remaining the record number and Lo message will blink to alert the user If the log space is full FULL LOC message will be displayed an...

Страница 15: ...y LCD along with LOG tag or Pressing the ARROW keys the instrument will display the same parameter but for a different record Press RANGE and the instrument will display the next logged parameter as f...

Страница 16: ...or slope is displayed if SET CLR ispressedandholddown thesecondaryLCDwilldisplaytherecord number The dEL message on the primary LCD and the selected record on the secondary LCD along with LOG tag Note...

Страница 17: ...n Calibration Alarm Time Out Instrument ID To enter SETUP mode press SET while the instrument is in measurement mode Select a parameter with the ARROW keys Press CAL if you want to change a parameter...

Страница 18: ...ng Press the ARROW keys to change the month Press RANGE The day will start blinking Press the ARROW keys to change the day Press CFM to save the modified value Press CAL to escape without saving pH RE...

Страница 19: ...ed baud rate value Press CAL to escape without saving SERIAL COMMUNICATION COMMAND PREFIX SET Press CAL when the command prefix is displayed The command prefix 0 to 47 will start blinking Press the AR...

Страница 20: ...ET Press CAL when the instrument ID is displayed The instrument ID 0000 to 9999 will start blinking Press the ARROW keys to change the instrument ID value Press CFM to save the modified instrument ID...

Страница 21: ...the instrument off press and hold down the CAL LOG keys then power on the instrument The CAL tag will appear and the secondary LCD will show 0 0 C Immerse the temperature probe in the vessel with ice...

Страница 22: ...e selected calibration point READY tag will appear and CFM tag will blink Press CFM to confirm The instrument returns to measurement mode Note If the reading is not close to the selected calibration p...

Страница 23: ...ed calibration point READY tag will appear and CFM tag will blink Press CFM to confirm The secondary LCD will display 600 mV Set 600 0 mV on the simulator When the reading is stable and close to the s...

Страница 24: ...CFM to confirm the absolute value The instrument will display 0 0 mV on the primary LCD and rEL message on the secondary LCD In this moment the relative mV offset is equal to absolute mV reading Useth...

Страница 25: ...easeseethefollowinginstructions SENDING COMMANDS FROM PC It is also possible to remotely control the instrument with any terminal program Use HI 920010 cable to connect the instrument to a PC start th...

Страница 26: ...ings in according with the current range pH mV and temperature reading on pH range mV and temperature reading on mV range Rel mV absolute mV and temperature reading on Rel mV range MDR Requests the in...

Страница 27: ...8 9 1 1 5 4 3 1 1 0 7 1 5 0 4 3 8 6 8 9 6 4 0 9 5 8 9 4 8 1 1 0 5 2 2 1 1 7 1 6 0 4 3 8 6 8 9 6 1 0 9 2 8 9 0 7 1 1 5 5 1 3 1 2 7 1 7 0 4 4 8 6 8 9 6 9 9 8 9 7 9 7 5 1 1 0 6 0 4 1 2 7 1 9 0 4 4 8 6 8...

Страница 28: ...ng 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 electrode as you would do with a glass th...

Страница 29: ...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 30: ...ution for 15 minutes Oil grease Rinse with Hanna HI 7077 or HI 8077 Oil and Fat Cleaning Solution IMPORTANT After performing any of the cleaning procedures rinse the electrode thoroughly with distille...

Страница 31: ...n a H p g n i k n i l b 0 0 6 1 H p e h t n i e g n a r f o t u O e l a c s r e t e m e h t e t a r b i l a c e R a H p e h t e r u s e k a M b d e i f i c e p s e h t n i s i e l p m a s e g n a r e...

Страница 32: ...is higher In addition the response time will suffer to a greater degree at temperatures below 25 C SincetheresistanceofthepHelectrodeisintherangeof50 200Mohm the current across the membrane is in the...

Страница 33: ...Solution 460 mL HI 80300L Storage Solution in FDA approved bottle 460 mL ELECTRODE CLEANINGSOLUTIONS HI 70000P Electrode Rinse Sachets 20 mL 25 pcs HI 7061L General Cleaning Solution 460 mL HI 7073L P...

Страница 34: ...body tripleceramic conicshape refillable combinationpHelectrode Use emulsions HI 1083B Glass body micro Viscolene non refillable combinationpHelectrode Use biotechnology micro titration HI 1131B Glass...

Страница 35: ...031B Glass body semimicro conic refillable combination pHelectrode Use semisolidproducts HI 1332B Plastic body Ultem doublejunction refillable combinationpHelectrode Use general purpose 120 mm 4 7 5mm...

Страница 36: ...ar open junction conic Viscolene non refillable combination pH electrode Use meat cheese FC 210B Glass body doublejunction conic Viscolene non refillable combination pH electrode Use milk yogurt FC 22...

Страница 37: ...trode 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 ORPelectrode Use general purpo...

Страница 38: ...HI 710014 Voltage adapter from 230 VAC to 12 VDC Australiaplug HI 76405 Electrodeholder HI 8427 pH and ORP electrode simulator with 1 m 3 3 coaxial cable ending in female BNC connectors HI 931001 pH a...

Страница 39: ...lectrode is sensitive to electrostatic 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 electrostati...

Страница 40: ...40 MAN254 10 04 All manuals and user guides at all guides com...

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