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DO100 Portable DO Meter

35643-00, 35643-05 Kit

Instruction Manual

ENVIRONMENTAL EXPRESS

www.environmentalexpress.com

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Summary of Contents for 35643-00

Page 1: ...DO100 Portable DO Meter 35643 00 35643 05 Kit Instruction Manual ENVIRONMENTAL EXPRESS www environmentalexpress com ...

Page 2: ...tment 5 5 Measurement of water samples 5 6 Notes of the measurement 5 7 Self diagnosis information 6 Parameter Setting 6 1 Main menu of parameter setting 6 2 Sub menu of DO parameter setting 6 3 Sub menu of basic parameter setting 7 What s in the Kit 8 Warranty Appendix 1 Table of Parameter Setting Appendix 2 Icons and Abbreviation Appendix 3 Table of Self diagnosis Symbol Appendix 4 Table of DO o...

Page 3: ...atic power off and low voltage display The meter s digital filter improves measurement speed and accuracy There is a stable reading indication on the display Polarographic DO electrode comes with a special DO calibration sleeve taking only 3 5 minutes to polarize The electrode also comes with 3 combined membrane caps so that the membrane can be easily replaced The meter is dustproof and waterproof...

Page 4: ...escription 3 1 LCD display 3 2 Keypad functions Table 1 Keypad operations and descriptions Measurement reading Parameter mode icon Units of measurement Temperature units Indicator icons Temperature value and indicator icons ATC automatic temperature compensation Automatic reading hold icon Stability icon of readings Low battery icon Diagram 2 Diagram 1 Short press 2 seconds Long press 2 seconds ...

Page 5: ...isplay mode of measurement Refer to Diagram 3 and Diagram 4 for the display mode in the units of mg L and ppm Diagram 5 shows the display mode in measuring unit of referring to air saturation Diagram 6 shows the display mode When salinity value is 3 ppt salinity displays at the bottom right of LCD means that the automatic compensated salinity is 15 ppt Auto 3 3 2 Display mode of stable reading Whe...

Page 6: ...the backlight will be turned on all the time 3 4 3 Battery The meter adopts 3xAA batteries Please use LR6 alkaline battery to ensure the battery quality Battery life 500 hours without backlight When LCD displays icon please replace with new batteries see Diagram 8 4 Polarographic DO Dissolved Oxygen Electrode 4 1 Structure of the DO electrode The meter connects to DO500 polarographic DO electrode ...

Page 7: ...he cathode gold chip with a bit of force 4 4 2 Inject the electrolyte into a new membrane cap slowly make sure no air bubbles is generated Flick the membrane cap with fingers to eliminate the bubbles Then put the membrane cap on the table and slowly screw in the electrode clockwise vertically until the membrane cap is firmly screwed on At this time the excess electrolyte will be squeezed out wipe ...

Page 8: ...n saturation is 100 and the concentration is 8 25mg L 77 F 25 C which means that the measured value in the air is 10 greater than it in water Therefore the meter is only suitable to calibrate in air with calibration sleeve and then measure the dissolved oxygen in water 5 4 Other calibration and adjustment 5 4 1 Zero oxygen calibration Zero oxygen calibration is generally only needed when replacing...

Page 9: ...right of LCD Immerse the electrode into 12 88mS cm conductivity standard solution Note that the solution should exceed the height of the salinity electrode Stir gently and wait until the salinity value becomes stable and the stable icon displays on LCD press to calibrate see Diagram 10 b press twice to return to measurement mode see Diagram 10 c 5 4 3 Adjust the air pressure value The meter has th...

Page 10: ... electrode shell and it contacts with the water directly Due to the different sensitivity between the thermistor and the electrolyte liquid it usually takes 3 to 5 minutes before the temperature of the electrolyte reaches the temperature of the temperature sensor For this the reading period must be 3min otherwise a large error will occur Especially when there s a big difference between the electro...

Page 11: ...4 2 P4 5 P4 1 Resolution 0 01 0 1 1 Press 0 01 flashes press to select resolution press confirm The meter automatically displays 0 1 or 1 corresponding to 2 Press to enter P4 2 or press to return P4 2 Salinity calibration Refer to Section 5 4 2 for the salinity calibration steps Submenu of DO parameter setting Sub menu of basic parameter setting P4 1 Resolution P4 2 Salinity calibration P4 3 Air p...

Page 12: ...press or to switch among P6 1 P6 2 P6 3 P6 4 P6 1 Temperature unit C F 1 Press C flashes press to select C F press to confirm 2 Press to enter P6 2 or press to return P6 2 Automatic lock up Off On 1 Press OFF flashes press to select OFF On press to confirm Off Unlock up On lock up Stable reading 10 seconds and the reading will be automatically locked up 2 Press to enter P6 3 or press to return P6 ...

Page 13: ...oduct attributable to responsibility of OAKTON INSTRUMENTS for a period of THREE YEARS SIX MONTHS for the probe from the delivery This limited warranty does not cover any damages due to External causes such as accidents abuse improper use Normal wear and tear Failure to follow the product instructions or to perform any preventive maintenance modifications combination or use with any products mater...

Page 14: ...ng Off On P6 3 Backlight timing 1 2 3 Off P6 4 Automatic power off timing 10 20 30 Off Mode Prompts Abbreviation Stand for Explanation P4 0 DO P4 1 Resolution Resolution P4 2 Manual Automatic Manual or automatic salinity compensation P4 3 Air pressure Air pressure adjustment P4 4 Unit DO unit P4 5 Factory default setting Factory default setting P6 0 Basic Parameter P6 1 Unit Temperature unit P6 2 ...

Page 15: ...3 2 34 0 7 07 51 8 11 0 11 01 73 4 23 0 8 57 95 0 35 0 6 95 Appendix 5 Table of DO of Saturated Water at Different Altitudes Altitude Barometric pressure DO Altitude Barometric pressure DO Feet Meter kPa mmHg mg L Feet Meter kPa mmHg mg L 0 0 101 3 760 8 25 7500 2287 77 1 579 6 28 500 152 99 34 746 8 09 8000 2439 75 63 568 6 16 1000 305 97 6 733 7 95 8500 2591 74 44 559 6 06 1500 457 95 87 720 7 8...

Page 16: ...6 762 101 60 10 11 8 27 6 97 763 101 73 10 12 8 28 6 98 764 101 86 10 14 8 30 6 99 765 102 00 10 15 8 31 7 00 766 102 13 10 16 8 32 7 01 767 102 26 10 18 8 33 7 02 768 102 40 10 19 8 34 7 02 769 102 53 10 21 8 35 7 03 770 102 66 10 22 8 36 7 04 771 102 80 10 23 8 37 7 05 772 102 93 10 25 8 39 7 06 773 103 06 10 26 8 40 7 07 774 103 19 10 28 8 41 7 08 775 103 33 10 29 8 42 7 09 Conversion between m...

Page 17: ...ronmental Express 2345A Charleston Regional Parkway Charleston South Carolina 29492 Toll Free 800 343 5319 Technical Support 800 745 8218 Email tech environmentalexpress com Website www environmentalexpress com ...

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