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Environmental Express OAKTON EC250, Instruction Manual

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Environmental Express OAKTON EC250 Instruction Manual Download Page 27

Conductivity calibration

16

 Calibration

1. After placing the conductivity electrode in the standard solution, press the 

key.

2. Meter starts measuring various calibration values with a blinking 

 on screen.

3. Wait for the 

 to stabilize (stable calibration reading).

4. Use the 

 keys to adjust the salinity value.

5. Press the 

ENT

 key to confirm and save calibration data.

6. Meter displays 

DONE

 indicating end of the salinity calibration procedure.

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Summary of Contents for OAKTON EC250

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

Page 2: ...air or 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 attri...

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: ...important safety messages Instrument and electrode Do not disassemble or modify the instrument Otherwise it may heat up or be ignited resulting in a fire or an accident Broken glass Broken glass may...

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: ...on 17 Data 19 Data capture and storage 19 Data transfer 20 Setup 21 P1 COND setup 21 P2 TDS setup 28 P3 SAL setup 31 P4 Data setup 35 P5 General setup 39 P6 CLK setup 44 Maintenance and storage 47 Mai...

Page 11: ...Contents XII Appendix 1 53 Appendix 2 54 Appendix 3 58 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 12: ...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 200 series Handheld meters and meter kit include t...

Page 13: ...eter display 500 for EC250 1000 for EC260 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: ...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 stand Op...

Page 15: ...pears 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 va...

Page 16: ...ak and need replacement BATT LOW on page 49 is displayed and operation is disabled Electrode sensitivity 95 excellent Electrode sensitivity between 85 to 95 very good Electrode sensitivity between 80...

Page 17: ...easurement 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 setu...

Page 18: ...nd set the batteries inside 3 Replace battery cover 4 Screw the batterycover on the back of the instrument clockwise to lock the battery cover Do not replace the batteries in a dusty place or with wet...

Page 19: ...lectrode connector by fitting its groove with the connector pin of the instrument 2 Turn the electrode connector clockwise by following the grooves 3 Slide the connector cover on the connector 4 When...

Page 20: ...ment 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 measurem...

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: ...lectrode in the standard solution till the hole at the upper part of the electrode is immersed Salinity TDS and resistivity of a sample solution are calculated from the measured value of conductivity...

Page 23: ...ize stable calibration reading 4 Press the ENT key to confirm and save calibration data 5 Meter displays DONE indicating end of the conductivity calibration procedure 6 Repeat for other calibration po...

Page 24: ...or the to stabilize stable calibration reading 4 Use the keys to enter the electrical conductivity value of the standard solution used for calibration 5 Press the ENT key to confirm and save calibrati...

Page 25: ...cordingly Set the required TDS curve in OAKTON 200 series Handheld meters Available TDS curves are LINR Linear factor with adjustable factor from 0 4 to 1 0 442 Myron L 442 non linear curve EN Europea...

Page 26: ...ip the conductivity electrode in the standard solution till the hole at the upper part of the electrode is immersed Before salinity calibration set the required salinity method In OAKTON 200 series Ha...

Page 27: ...libration values with a blinking on screen 3 Wait for the to stabilize stable calibration reading 4 Use the keys to adjust the salinity value 5 Press the ENT key to confirm and save calibration data 6...

Page 28: ...EC meter and plug in the conductivity electrode and temperature sensor Dip the conductivity electrode in the standard solution till its temperature sensor is immersed Wait for 5 minutes to ensure tem...

Page 29: ...h to temperature calibration mode Meter displays measured temperature value 3 Use the keys to adjust the temperature to the required value 4 Press the ENT key to save calibration data 5 Meter displays...

Page 30: ...ta for 2 seconds and then the display returns to the previous screen automatically If the data storage limit reaches 500 in EC250 model or 1000 in EC260 model memory full error occurs and MEM FULL is...

Page 31: ...eing in the measurement mode press key 2 Use keys to view desired stored data 3 Press key to print that individual data Printer format measurement TDS To print entire stored data log refer P4 2 Print...

Page 32: ...you can set a value in between 0 070 to 13 00 Default conductivity unit is set as S cm You can change the unit to S m Default auto calibration setup is ON but to perform manual calibration you need t...

Page 33: ...CELL screen appears 3 Press the ENT key by default CELL 1 00 appears 4 Use the keys to set the cell constant in between 0 070 to 13 00 5 Press the ENT key P1 1 CELL screen appears This indicates compl...

Page 34: ...ars 3 Press the key P1 2 UNIT screen appears 4 Press the ENT key by default UNIT S cm appears 5 Use the keys to change the conductivity unit to S m 6 Press the ENT key P1 2 UNIT screen appears This in...

Page 35: ...s 4 Press the key P1 3 A CAL appears 5 Press the ENT key A CAL ON screen appears with ON as default setup 6 Use the keys to change the setup to OFF This enables the manual calibration mode 7 Press the...

Page 36: ...s 4 Press the key P1 3 A CAL appears 5 Press the key P1 4 T CFF appears 6 Press the ENT key T CFF 2 00 screen appears 7 Use the keys to set the temperature coefficient in between 0 00 to 10 00 8 Press...

Page 37: ...3 A CAL appears 5 Press the key P1 4 T CFF appears 6 Press the key P1 5 T rEF appears 7 Press the ENT key T REF 25 0 C screen appears 8 Use the keys to set the temperature coefficient in between 15 0...

Page 38: ...s the key P1 4 T CFF appears 6 Press the key P1 5 T rEF appears 7 Press the key P1 6 C CLr appears 8 Press the ENT key C CLr NO screen appears with NO as default setup 9 Use the keys to change the set...

Page 39: ...tch on the EC meter Default TDS curve is linear You can change the TDS curve to 442 or EN27888 or NaCl For linear curve default multiplier factor is FACT 0 50 You can set a multiplier factor in betwee...

Page 40: ...ault FACT LINR appears 5 Use the keys to select a TDS curve and press the ENT key 6 While selecting the linear curve set a fact in between 0 40 to 1 00 7 Press the ENT key P2 1 FACT screen appears Thi...

Page 41: ...FACT screen appears 4 Press the key P2 2 UNIT screen appears 5 Press the ENT key UNIT mg L g L screen appears 6 Use the keys to change the TDS unit to ppm ppt 7 Press the ENT key P2 2 UNIT screen app...

Page 42: ...n the EC meter Default salinity unit is set as ppt You can change the unit to percentage Default salinity type is set as NaCl You can change the salinity type to seawater Erasing previous calibration...

Page 43: ...creen appears 4 Press the ENT key P3 1 UNIT screen appears 5 Press the ENT key by default UNIT ppt appears 6 Use the keys to change the salinity unit to percentage 7 Press the ENT key P3 1 UNIT screen...

Page 44: ...T key P3 1 UNIT screen appears 5 Press the key P3 2 TYPE screen appears 6 Press the ENT key TYPE NACL appears with NaCl as default setup 7 Use the keys to change the salinity type to seawater 8 Press...

Page 45: ...ppears 5 Press the key P3 2 TYPE screen appears 6 Press the key P3 3 C CLr screen appears 7 Press the ENT key C CLr NO appears with NO as default setup 8 Use the keys to change the setup to YES This e...

Page 46: ...N 200 series Handheld meters follow the procedure detailed below Default data log interval is where indicates no data log interval has been set Data log interval can be set from 2 to 999 seconds Prere...

Page 47: ...Press the key P4 DATA screen appears 5 Press the ENT key P4 1 LOG screen appears 6 Press the ENT key previously set log interval appears 7 Use the keys to set the data log interval 8 Press the ENT key...

Page 48: ...ey P4 DATA screen appears 5 Press the ENT key P4 1 LOG screen appears 6 Press the key P4 2 PrNT screen appears 7 Press the ENT key default setup is NO 8 Use the keys to change the setup to YES 9 Press...

Page 49: ...rs 5 Press the ENT key P4 1 LOG screen appears 6 Press the key P4 2 PrNT screen appears 7 Press the key P4 3 D CLR screen appears 8 Press the ENT key default setup is NO 9 Use the keys set it to YES t...

Page 50: ...de 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 30 minutes where indicates no auto shut off tim...

Page 51: ...1 Press the key P1 COND screen appears 2 Press the key P2 TDS screen appears 3 Press the key P3 SAL screen appears 4 Press the key P4 DATA screen appears 5 Press the key P5 GEN screen appears 6 Press...

Page 52: ...ppears 8 Press the ENT key default auto shut off time is 30 minutes 9 Use the keys to adjust the auto off time 10 Press the ENT key P5 2 A OFF screen appears This indicates completion of the auto shut...

Page 53: ...creen appears 6 Press the ENT key P5 1 STBL screen appears 7 Press the key P5 2 A OFF screen appears 8 Press the key P5 3 C F screen appears 9 Press the ENT key default temperature unit is C 10 Use th...

Page 54: ...een appears 6 Press the ENT key P5 1 STBL screen appears 7 Press the key P5 2 A OFF screen appears 8 Press the key P5 3 C F screen appears 9 Press the key P5 4 r SET screen appears 10 Press the ENT ke...

Page 55: ...follow the procedure detailed below Prerequisites Switch on the EC meter Date and time setup is necessary before using the instrument for the first time or after replacing the batteries Set date and...

Page 56: ...7 Press the ENT key P6 1 DATE screen appears 8 Press the ENT key default set year appears 9 Use the keys to adjust the year 10 Press the ENT key default set month appears 11 Use the keys to adjust th...

Page 57: ...P6 CLK screen appears 7 Press the ENT key P6 1 DATE screen appears 8 Press the key P6 2 TIME screen appears 9 Press the ENT key default set hour appears 10 Use the keys to adjust the hour 11 Press EN...

Page 58: ...loth 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 with such...

Page 59: ...lack electrode part immersed in deionized water or with the protective cap filled with deionized water and attached to the electrode When the electrode will not be used for a long period To store the...

Page 60: ...brate with fresh standard solution If the problem persists replace the electrode with new one STD ERR Can not auto recognize standard solution The instrument cannot identify the standard solution Chec...

Page 61: ...bbles Cause How to solve problem There is a motor or other device causing electrical interference Measure at a place where no influence from induction is given Ground all AC powered equipment The cond...

Page 62: ...nt range Use a sample within the measurement range The conductivity electrode cable is broken Replace the electrode Cell constant is not set Set the cell constant Calibration is not performed or perfo...

Page 63: ...essure difference between the inside and outside of the instrument briefly open and then close the serial cable cover After opening correctly close the cover to maintain dust and water proofing Instru...

Page 64: ...10 67 1020 9 33 83 2 15 68 1147 10 48 92 5 16 70 1173 10 72 94 4 17 71 1199 10 95 96 3 18 73 1225 11 19 98 2 19 74 1251 11 43 100 2 20 76 1278 11 67 102 1 21 78 1305 11 91 104 0 22 79 1332 12 15 105...

Page 65: ...uctivity Cond 1413 uS cm Temperature 25 0 C MAN Electrode Status Excellent User Name Signature Meter Model OAKTON EC260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Mode Res...

Page 66: ...50 0 ppt Temperature 25 0 C MAN Electrode Status Excellent User Name Signature Meter Model OAKTON EC260 Serial Number 123456789 SW Revision 1 00 Date 20 Aug 2018 Time 10 10 28 Mode TDS TDS 1 23 g L T...

Page 67: ...ame Signature Logged Data Location 2 Date 10 Aug 2018 Time 10 10 28 Mode pH pH 7 00 pH mV 0 0 mV Temperature 25 0 C MAN Electrode Status Excellent Location 1 Date 10 Aug 2018 Time 10 09 28 Mode mV mV...

Page 68: ...vision 1 00 Date 20 Aug 2018 Time 10 10 28 Calibration data Cal Date 20 Jun 2018 Cal Time 10 10 10 Cal Points 84 0 uS 1413 uS Avg Cal Factor 1 022 Cal Temperature 25 0 C ATC Electrode Status Excellent...

Page 69: ...ull scale TDS Curves Linear 0 40 to 1 00 EN27888 442 NaCl Resistivity Range 0 000 cm to 20 0 M cm Resolution 0 05 full scale Accuracy 0 6 full scale 1 5 full scale 1 80 M cm Salinity Range 0 0 to 100...

Page 70: ...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 71: ...9 S m 20 0 to 199 9 mS m 2 00 0 00 to 19 99 mS m 0 200 0 000 to 1 999 mS m 0 0 to 199 9 S m Range Cell constant 10 cm 1 1 cm 1 0 1 cm 1 0 200 to 2 000 S cm 20 0 to 199 9 mS cm 2 00 to 19 99 mS cm 200...

Page 72: ...2 00 to 19 99 k m 0 200 to 1 999 k m 20 0 0 0 to 199 9 m 2 00 0 00 to 19 99 m 0 000 to 1 999 m Range Cell constant 0 1 cm 1 1 cm 1 10 cm 1 20 0 to 200 0 M cm 2 00 to 19 99 M cm 0 200 to 1 999 M cm 20...

Page 73: ...www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

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