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Environmental Express OAKTON PD250, Instruction Manual, Page: 70 / 83

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Environmental Express OAKTON PD250 Instruction Manual Download Page 70

                            Error messages and trouble shooting 

                                                                       59

The response is slow

The indicated value does not change

Cause

How to solve problem

The electrode is dirty.

Clean the electrode.

The electrode is broken.

Replace the electrode.

The response of electrode is affected 
by the sample solution.

It is important to select an 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 website.

Cause

How to solve problem

The electrode is broken.

Replace the electrode.

The electrode is not connected 
correctly.

Connect the electrode correctly.

Keys are locked.

Turn OFF the power, remove the batteries, and then 
turn ON the power again.

The instrument is in HOLD state.

Cancel the HOLD state.

Instrument defect

Consult your dealer.

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Summary of Contents for OAKTON PD250

Page 1: ...www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 2: ...r modification by any person not authorized by Oak ton Instruments Any malfunction or damage attributable to the use in an environment not specified in this manual Any malfunction or damage attributab...

Page 3: ...onic 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 might be put with one of the chemical symbols...

Page 4: ...designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy...

Page 5: ...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 injury This indicates a potentially hazardou...

Page 6: ...hazardous standard solutions Handle them with care The internal solution of pH electrode is highly concentrated potassium chloride 3 33 mol L KCl and internal solution of DO electrode is highly conce...

Page 7: ...attery 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 Do not put batteries in a fire expose to he...

Page 8: ...rmed 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 electrode or serial cable hold the connect...

Page 9: ...lose to an air conditioner Direct wind Transportation When transporting the instrument repackage it in the original package box Otherwise it may cause instrument damage Disposal Standard solution used...

Page 10: ...mV Calibration 13 DO Calibration 15 Temperature Calibration 21 Data 23 Data capture and storage 23 Data transfer 24 Setup 25 P1 pH setup 25 P1 DO setup 29 P2 Data setup 33 P3 General setup 40 P4 CLK s...

Page 11: ...intenance and storage of electrodes 55 Error messages and trouble shooting 57 Appendix 62 Appendix 1 62 Appendix 2 65 Appendix 3 70 www GlobalTestSupply com Find Quality Products Online at sales Globa...

Page 12: ...amage on the instrument and confirm that the standard accessories all exist If damage or defects are found on the product contact your dealer OAKTON PD200 series Handheld meters and meter kit include...

Page 13: ...meter display 500 for PD250 1000 for PD260 data memory Automatic Temperature Compensation ATC with temperature calibration Adjustable auto shut off time 1 to 30 minutes Auto hold Auto stable Real time...

Page 14: ...ature connector T Connect to the temperature sensor of the electrode 5 Battery cover Open close to insert remove batteries 6 Electrode holder Hold the electrode to carry with the instrument 7 Meter st...

Page 15: ...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 display area Displays the measured value an...

Page 16: ...ries are weak and need replacement Refer BATT LOW page 57 to solve this Electrode sensitivity above 95 excellent Electrode sensitivity between 85 to 95 very good Electrode sensitivity between 80 to 85...

Page 17: ...surement 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 ENTER key Determines the selection or setup...

Page 18: ...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 replace the batteries in a dusty place or with...

Page 19: ...Insert the electrode connector by fitting its groove with the connector pin of the instrument refer below table 2 Turn the electrode connector clockwise by following the grooves 3 Slide the connector...

Page 20: ...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 the data mode Setup mode In the measurement...

Page 21: ...res multiple parameters For measurement an electrode corresponding to the measurement parameter is required In the measurement mode the measurement parameter can be changed by pressing the key www Glo...

Page 22: ...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 using pH7 4 and 10 if you are unsure...

Page 23: ...able 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 require...

Page 24: ...tip Absolute value measurement mode and relative value measurement mode are the two types of measurement mode available for ORP mV measurement In absolute value measurement mode the handheld meter di...

Page 25: ...he 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 the ENT key to confirm and save calibrati...

Page 26: ...e DO electrode with DI deionized water and wipe it with tissue paper Switch on the PD meter and plug in the DO electrode Press the key to keep the PD meter in saturated oxygen concentration mode mode...

Page 27: ...Press the ENT key to confirm and save calibration data 22 Meter displays DONE indicating end of the air calibration procedure The electrode responds slightly differently to atmospheric air as compare...

Page 28: ...Calibration mode 5 Press the ENT key to confirm and save calibration data 6 Meter displays DONE indicating end of the zero calibration procedure Calibration performed with zero standard solution is r...

Page 29: ...ey to keep the PD meter in dissolved oxygen measurement mode mg L mode Calibrate in the dissolved oxygen measurement mode in the order from high concentration solution to a low concentration solution...

Page 30: ...calibration values with a blinking on screen 2 Wait for the to stabilize stable calibration reading 3 Use the keys to adjust the DO reading 4 Press the ENT key to confirm and save calibration data 5...

Page 31: ...es with a blinking on screen 2 Wait for the to stabilize stable calibration reading 3 Press the key again to move to Zero Calibration Mode 4 Use the keys to adjust the DO reading 5 Press the ENT key t...

Page 32: ...PD meter and plug in any of the electrodes and the temperature sensor Dip the electrode in any calibrating solution till its temperature sensor is immersed Wait for 5 minutes to ensure temperature st...

Page 33: ...ture calibration mode Meter displays measured temperature value 9 Use the keys to adjust the temperature to the required value 10 Press the ENT key to save calibration data 11 Meter displays DONE indi...

Page 34: ...or 2 seconds and then the display returns to the previous screen automatically If the data storage limit reaches 500 in PD250 model or 1000 in PD260 model memory full error occurs and MEM FULL is disp...

Page 35: ...e keys to view desired stored data 14 Press key to print that individual data Printer format measurement To print entire stored data log refer P 2 2 Print data setup on page 36 Meter Model OAKTON PD26...

Page 36: ...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 alarm error on page 57 You can set the calibra...

Page 37: ...een appears 17 Press the ENT key by default BUFF USA appears 18 Use the keys to change the buffer standard to BUFF NIST or BUFF DIN 19 Press the ENT key P1 1 BUFF screen appears This indicates complet...

Page 38: ...e 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 Press the ENT key P1 2 C ALr screen appears T...

Page 39: ...ppears 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 erases the calibration data 7 Press the EN...

Page 40: ...Default salinity value is 0 0 ppt You can set a value in between 0 0 to 40 0 ppt Default barometric pressure is 101 3 kPa You can set a value in between 10 0 to 200 0 kPa Erasing previous calibration...

Page 41: ...appears 10 Press the ENT key by default SAL 0 0 ppt appears 11 Use the keys to adjust the salinity value in between 0 0 to 40 0 ppt 12 Press the ENT key P1 1 SAL screen appears This indicates completi...

Page 42: ...y P1 2 PRES screen appears 4 Press the ENT key by default PRES 101 3 appears 5 Use the keys to adjust the barometric pressure in between 10 0 to 200 0 kPa 6 Press the ENT key P1 2 PRES screen appears...

Page 43: ...pears 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 erases the calibration data 7 Press the ENT...

Page 44: ...ch on the PD meter Keep the meter either in pH or DO mode Data setup procedure is common in both pH and DO mode with different meter screen display based on available setup sequence Default data log i...

Page 45: ...s the ENT key P2 1 LOG screen appears 11 Press the ENT key previously set log interval appears 12 Use the keys to sets the data log interval 13 Press the ENT key P2 1 LOG screen appears This indicates...

Page 46: ...Data set up 35 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 47: ...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 Press the ENT key P2 2 PrNT screen appears Thi...

Page 48: ...Data set up 37 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 49: ...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 Press the ENT key D CLR DONE screen appears brief...

Page 50: ...Data set up 39 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 51: ...tion mode the auto stable AS mode is activated 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...

Page 52: ...Both and annunciators are inactive 9 Press the key P1 PH DO screen appears 10 Press key P2 DATA screen appears 11 Press key P3 GEN screen appears 12 Press the ENT key P3 1 STBL screen appears 13 Press...

Page 53: ...General set up 42 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 54: ...hut 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 shut off time setup The default shut off time...

Page 55: ...General set up 44 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 56: ...L 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 the keys to change the unit to F 9 Press the...

Page 57: ...General set up 46 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 58: ...y 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 Press the ENT key default meter re setup is NO...

Page 59: ...General set up 48 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 60: ...the meter either in pH or DO mode Clock setup procedure is common in both pH and DO mode with different meter screen display based on available setup sequence setup date and time is necessary before u...

Page 61: ...ppears 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 adjust the month 20 Press the ENT key default...

Page 62: ...Clock set up 51 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 63: ...ress 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 hour 9 Press ENT key default set minute app...

Page 64: ...Clock set up 53 DO mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 65: ...th 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 strong acid or alkali solution or wipe it wit...

Page 66: ...ane with deionized water and wipe it with a soft cloth take care not to damage it When using a neutral cleaning solution to clean the DO electrode keep the neutral cleaning solution away from the memb...

Page 67: ...ed water to soak the sponge 14 Attach the protective cap Daily storage of the DO electrode Follow the steps below to store the electrode correctly 9552 20D 9552 50D 15 Clean the DO electrode well with...

Page 68: ...rode 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 auto recognize standard solution The instr...

Page 69: ...place where no influence from induction is given Ground all AC powered equipment The electrode is not connected correctly Connect the electrode properly Cause How to solve problem Electrode is not im...

Page 70: ...r dealer To confirm an electrode that is appropriate for the sample check the pH electrode selection guide in our catalogue or refer to our website Cause How to solve problem The electrode is broken R...

Page 71: ...asurement range Electrode is not immersed enough to cover liquid junction The electrode must be immersed up to the liquid junction As a guide immerse to at least 3 cm from the tip of the electrode The...

Page 72: ...em Using the instrument at high elevation or other location where the air pressure is different from sea level To eliminate the pressure difference between the inside and outside of the instrument bri...

Page 73: ...pH 7 00 pH 10 01 pH 12 46 0 1 67 4 01 7 12 10 32 5 1 67 4 01 7 09 10 25 13 25 10 1 67 4 00 7 06 10 18 13 03 15 1 67 4 00 7 04 10 12 20 1 68 4 00 7 02 10 06 12 64 25 1 68 4 01 7 00 10 01 12 46 30 1 69...

Page 74: ...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 66 6 87 9 43 13 37 10 1 09 3 10 4 66 6 84 9 37 13 37 15 1 09 3 08 4 65 6 8...

Page 75: ...11 03 21 8 92 31 7 43 2 13 83 12 10 78 22 8 74 32 7 31 3 13 46 13 10 54 23 8 58 33 7 18 4 13 11 14 10 31 24 8 42 34 7 07 5 12 77 15 10 08 25 8 26 35 6 95 6 12 45 16 9 87 26 8 11 36 6 84 7 12 14 17 9...

Page 76: ...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 PD260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Time 10...

Page 77: ...mV R mV 3 0 mV Offset 3 0 mV Temperature 25 0 C MAN User Name Signature Meter Model OAKTON PD260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Mode DO DO 7 26 mg L Temperatur...

Page 78: ...t User Name Signature Meter Model OAKTON PD260 Serial Number 123456789 SW Revision 1 00 User Name Signature Logged Data Location 2 Date 10 Aug 2018 Time 10 10 28 Mode pH pH 7 00 pH mV 0 0 mV Temperatu...

Page 79: ...ts 4 01 7 00 10 01 Offset 0 0 mV Avg Slope 98 2 Cal Temp 25 0 C ATC Electrode Status Excellent User Name Signature Meter Model OAKTON PD260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Ti...

Page 80: ...23456789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Cal Points 8 26 mg L 0 0 mg L Span Coef 1 23 Zero Coef 0 12 Cal Temp 25 0 C ATC Electrode Status Excellent User Name Signature www GlobalTestSu...

Page 81: ...1 Accuracy 0 1 mg L Salinity Compensation 0 0 to 40 0 ppt Barometric Pressure Compensation Yes DO Probe Type Galvanic integrated with temperature sensor Calibration Points Up to 2 Temperature Range 30...

Page 82: ...NC phono Display Custom LCD with backlight Housing IP67 shock scratch resistant non slip Power Requirement 2 AA batteries Battery Life 500 hours Dimensions 160 L 80 W 40 60 H mm Weight Approx 260 g wi...

Page 83: ...www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

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