OAK Environmental Express PH250 Скачать руководство пользователя страница 24 | Manualshive

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pH calibration

12

Calibration

5. After placing the pH electrode in the buffer solution, press the

key.

6. The selected buffer standard appears on the meter screen and meter starts checking

various calibration values with a blinking

on screen.

7. Wait for the

to stabilize (stable calibration reading).

8. Press the

ENT

key to confirm and save calibration data.

9. Meter displays

DONE

indicating end of the pH calibration procedure.

10. Repeat for other calibration points as required.

If you want to know previous calibrated values, press the

key when you are in the

CAL

mode.The display scrolls through the calibrated values and indicates slope and offset values.

Note

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Содержание Environmental Express PH250

Страница 1: ...PH250 PH260 pH ORP METER...

Страница 2: ......

Страница 3: ...e to improper operation Any malfunction attributable to repair or modification by any person not authorized by Oak ton Instruments Any malfunction or damage attributable to the use in an environment n...

Страница 4: ...nd recycle for waste electrical and electronic equipment WEEE under the Directive 2012 19 EU and or waste batteries and accumulators under the Directive 2006 66 EC in the European Union The symbol mig...

Страница 5: ...lls IL 60061 USA Tel 1 888 462 5866 Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed...

Страница 6: ...ed will result in death or serious injury This is to be limited to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious in...

Страница 7: ...d resulting in a fire or an accident Harmful chemicals Some electrodes are used with hazardous standard solutions Handle them with care The internal solution of pH electrode is highly concentrated pot...

Страница 8: ...tor immediately If alkaline fluid from a battery gets into the eyes do not rub the eyes rinse with clean water immediately and then consult a doctor Contact with alkaline fluid could cause blindness D...

Страница 9: ...ing to it If the waterproof gasket is deformed discolored or has foreign matter adhering to it dust could get inside water leaks could occur that could lead to instrument malfunction To disconnect an...

Страница 10: ...ight Corrosive gas environment Locations close to an air conditioner Direct wind Transportation When transporting the instrument repackage it in the original package box Otherwise it may cause instrum...

Страница 11: ...13 Temperature Calibration 15 Data 17 Data capture and storage 17 Data transfer 18 Setup 19 P1 pH setup 19 P2 Data setup 23 P3 General setup 27 P4 CLK setup 32 Maintenance and storage 35 Maintenance...

Страница 12: ...XII MEMO...

Страница 13: ...the carry case remove the meter and check for damage on the instrument and confirm that the standard accessories all exist If damage or defects are found on the product contact your dealer OAKTON PH2...

Страница 14: ...and Simple user interface and single parameter display 500 for PH250 1000 for PH260 data memory Automatic Temperature Compensation ATC with temperature calibration Adjustable auto shut off time 1 to 3...

Страница 15: ...he BNC connector of the electrode 4 Temperature connector T Connect to the temperature sensor of the electrode 5 Battery cover Open close to insert remove batteries 6 Electrode holder Hold the electro...

Страница 16: ...uto Stable and Auto Hold modes 4 Appears when the measured value display is stable and fixed in auto hold mode 5 Temperature display area Displays the measured temperature 6 Measured value set item di...

Страница 17: ...fe 50 battery life 20 battery life Batteries are weak and need replacement Refer BATT LOW page 38 to solve this Electrode sensitivity above 95 excellent Electrode sensitivity between 85 to 95 very goo...

Страница 18: ...easurement DATA key Switches from the measurement mode to the data mode MODE key In the measurement mode changes measurement parameters SET key Switches from the measurement mode to the setup mode ENT...

Страница 19: ...e bat tery cover 2 Remove the battery cover and set the batteries inside 3 Replace battery cover 4 Screw the battery cover on the back of the instrument clockwise to lock the battery cover Do not repl...

Страница 20: ...ng procedure to correctly connect the electrode to the instrument 1 Insert the electrode connector by fitting its groove with the connector pin of the instrument 2 Turn the electrode connector clockwi...

Страница 21: ...Press the key to change to the measurement mode Calibration mode In the measurement mode press the key to change to the calibration mode Data mode In the measurement mode press the key to change to th...

Страница 22: ...easurement parameter This instrument measures multiple parameters For measurement an electrode corresponding to the measurement parameter is required In the measurement mode the measurement parameter...

Страница 23: ...rement mode Dip the pH electrode at least 3 cm in the buffer solution Perform two point calibration using pH 7 and 4 for acidic sample pH 7 and 10 for alkaline sample Perform three point calibration u...

Страница 24: ...g on screen 7 Wait for the to stabilize stable calibration reading 8 Press the ENT key to confirm and save calibration data 9 Meter displays DONE indicating end of the pH calibration procedure 10 Repe...

Страница 25: ...level is at least 3 cm from the electrode tip Absolute value measurement mode and relative value measurement mode are the two types of measurement mode available for ORP mV measurement In absolute val...

Страница 26: ...ey 13 Meter starts reading mV values and the blinks until value stabilizes 14 Wait for the to stabilize stable calibration reading 15 Use the keys to adjust the mV value to your desired value 16 Press...

Страница 27: ...nd wipe it with tissue paper Switch on the pH meter and plug in the pH electrode and temperature sensor Dip the pH electrode in any buffer solution till its temperature sensor is immersed Wait for 5 m...

Страница 28: ...key 19 Press the key to switch to temperature calibration mode Meter displays measured temperature value 20 Use the keys to adjust the temperature to the required value 21 Press the ENT key to save c...

Страница 29: ...e displayed data Meter displays the saved data for 2 seconds and then the display returns to the previous screen automatically If the data storage limit reaches 500 in PH250 model or 1000 in PH260 mod...

Страница 30: ...e measurement mode press key 24 Use keys to view desired stored data 25 Press key to print that individual data Printer format data log To print entire stored data log refer P 2 2 Print data setup on...

Страница 31: ...requisites Switch on the pH meter Default buffer setup is BUFF USA You can change it to BUFF NIST or BUFF DIN if required Calibration alarm setup option must be used to avoid Calibration interval alar...

Страница 32: ...appears 27 Press the ENT key P1 1 BUFF screen appears 28 Press the ENT key by default BUFF USA appears 29 Use the keys to change the buffer standard to BUFF NIST or BUFF DIN 30 Press the ENT key P1 1...

Страница 33: ...NT key P1 1 BUFF screen appears 3 Press the key P1 2 C ALr screen appears 4 Press the ENT key by default DAYS appears 5 Use the keys to adjust the calibration alarm interval for next calibration 6 Pre...

Страница 34: ...ppears 3 Press the key P1 2 C ALr screen appears 4 Press the key P1 3 C CLr appears 5 Press the ENT key C CLr NO screen appears with NO as default setup 6 Use the keys to change the setup to YES This...

Страница 35: ...g interval Print data log Erase data log To set the data functions using OAKTON PH200 series Handheld meters follow the procedure detailed below Prerequisites Switch on the pH meter Data log interval...

Страница 36: ...Press the key P2 DATA screen appears 10 Press the ENT key P2 1 LOG screen appears 11 Press the ENT key previously set log interval appears 12 Use the keys to set the data log interval 13 Press the EN...

Страница 37: ...e key P2 DATA screen appears 3 Press the ENT key P2 1 LOG screen appears 4 Press the key P2 2 PrNT screen appears 5 Press the ENT key default setup is NO 6 Use the keys to change the setup to YES 7 Pr...

Страница 38: ...LOG screen appears 4 Press the key P2 2 PRNT screen appears 5 Press the key P2 3 D CLR screen appears 6 Press the ENT key default setup is NO 7 Use the keys set it to YES to erase all the data 8 Pres...

Страница 39: ...vated Default stability setup in measurement mode is auto stable AS If you like you can change it to auto hold AH or real time RT Default auto shut off time is 30 minutes You can set the time from to...

Страница 40: ...Real Time RT mode the meter shows live readings Both and annunciators are inactive 9 Press the key P1 PH screen appears 10 Press key P2 DATA screen appears 11 Press key P3 GEN screen appears 12 Press...

Страница 41: ...en appears 6 Press the ENT key default auto shut off time is 30 minutes 7 Use the keys to adjust the auto off time 8 Press the ENT key P3 2 A OFF screen appears This indicates completion of the auto s...

Страница 42: ...3 GEN screen appears 4 Press the key P3 1 STBL screen appears 5 Press the key P3 2 A OFF screen appears 6 Press the key P3 3 C F screen appears 7 Press the ENT key default temperature unit is C 8 Use...

Страница 43: ...key P3 GEN screen appears 4 Press the ENT key P3 1 STBL screen appears 5 Press the key P3 2 A OFF screen appears 6 Press the key P3 3 C F screen appears 7 Press the key P3 4 r SET screen appears 8 Pre...

Страница 44: ...clock function using OAKTON PH200 series Handheld meters follow the procedure detailed below Prerequisites Switch on the pH meter Setup date and time is necessary before using the instrument for the...

Страница 45: ...ears 15 Press the ENT key P4 1 DATE screen appears 16 Press the ENT key default set year appears 17 Use the keys to adjust the year 18 Press the ENT key default set month appears 19 Use the keys to ad...

Страница 46: ...rs 4 Press the key P4 CLK screen appears 5 Press the ENT key P4 1 DATE screen appears 6 Press the key P4 2 TIME screen appears 7 Press the ENT key default set hour appears 8 Use the keys to adjust the...

Страница 47: ...cult to remove the dirt wipe it gently with a cloth moistened with alcohol The instrument is made of solvent resistant materials but is not resistant to all chemicals Do not dip the instrument in stro...

Страница 48: ...of dirt After cleaning rinse the electrode with pure water or deionized water However for pH and ORP electrodes different cleaning solutions should be used to clean different types of dirt For pH ele...

Страница 49: ...rode well with pure water or deionized water to remove sample completely and close the internal solution filler port 13 Wash the inside of the protective cap with pure water or deionized water then ad...

Страница 50: ...n the electrode SLPE ERR Slope error Electrode sensitivity is low Please clean and recalibrate with fresh standard solution If the problem persists replace the electrode with new one BUFF ERR Can not...

Страница 51: ...using electrical interference Measure at a place where no influence from induction is given Ground all AC powered equipment The electrode is not connected correctly Connect the electrode properly Caus...

Страница 52: ...n electrode that is appropriate for the sample Consult your dealer To confirm an electrode that is appropriate for the sample check the pH electrode selection guide in our catalogue or refer to our we...

Страница 53: ...of the electrode is partially depleted or contaminated Replace the electrode Cause How to solve problem Power is not supplied Insert batteries Battery polarity is reversed Insert the batteries with th...

Страница 54: ...changes with change in temperature The OAKTON PH200 is intelligent to detect the temperature and pH value associated with buffer when calibration is performed The meter remembers all the temperature v...

Страница 55: ...0 4 03 6 84 9 04 11 99 45 1 70 4 04 6 83 9 04 50 1 71 4 06 6 83 9 01 11 73 55 1 72 4 08 6 83 8 99 Temp C pH 1 09 pH 3 06 pH 4 65 pH 6 79 pH 9 23 pH 12 75 0 1 08 3 10 4 67 6 89 9 48 13 37 5 1 09 3 10 4...

Страница 56: ...789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Mode pH pH 7 00 pH mV 0 0 mV Temperature 25 0 C MAN Electrode Status Excellent User Name Signature Meter Model OAKTON PH260 Serial Number 123456789...

Страница 57: ...3 0 mV Offset 3 0 mV Temperature 25 0 C MAN User Name Signature Meter Model OAKTON PH260 Serial Number 123456789 SW Revision 1 00 User Name Signature Logged Data Location 2 Date 10 Aug 2018 Time 10 10...

Страница 58: ...AKTON PH260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Calibration data Cal Date 20 Jun 2018 Cal Time 10 10 10 Cal Points 4 01 7 00 10 01 Offset 0 0 mV Avg Slope 98 2 Cal...

Страница 59: ...30 0 C 22 0 to 266 0 F Resolution 0 1 C F Accuracy 0 5 C 0 9 F Calibration Option Yes Yes Memory 500 1000 Auto Data Log Real time Clock Date Time Stamp Auto Hold Auto Stable Real Time Offset Average S...

Страница 60: ...Specifications 48 Weight Approx 260 g with batteries 216 g without batteries...

Страница 61: ...st Bunker Court Vernon Hills IL 60061 USA Tel 1 888 462 5866 Fax 1 847 247 2984 info 4oakton com www 4oakton com For any questions regarding this product please contact your local agency Oakton Instru...

Страница 62: ......

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