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Dissolved Oxygen Meters (DO meters)

A dissolved oxygen meter is a tool used in water quality surveys at specific locations such as rivers, ponds, lakes, and aquariums. When used for environmental surveys, the degree of contamination is measured by measuring dissolved oxygen. Dissolved oxygen is also an important indicator for maintaining a suitable environment for living organisms in the aquarium and requires regular checks. When used at home, digital displays are easy to use, and there are devices that can easily measure with a single switch. A portable type is good for carrying around in environmental surveys.
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  1. Dissolved Oxygen Meter Electrolytic Solution
    Mother Tool Dissolved Oxygen Meter Electrolytic Solution
    As ONE Part Number  6-7944-12  Specification  Dissolved liquid for DO-5509 
    from S$39.99
    Min. 2 days
  2. Spare head with diaphragm for digital dissolved oxygen meter
    Mother Tool Spare head with diaphragm for digital dissolved oxygen meter
    Suitable for  For DO-5509 / 5510HA 
    from S$38.99
    Min. 2 days
  3. Powder Reagent for Dissolved Ozone
    KRK (Kasahara Chemical Instruments) Powder Reagent for Dissolved Ozone
    Specification  100 times 
    Rating:
    60%
    from S$56.99
    Min. 2 days
  4. Dissolved Oxygen Electrode Electrolyte
    Hanna Instruments Dissolved Oxygen Electrode Electrolyte
    Recommended Expiration Date  3 months after opening  RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$56.99
    Min. 2 days
  5. Dissolved Ozone Checker
    AS ONE Dissolved Ozone Checker
    Dissolved ozone concentration can be measured simply by adding an electrolytic solution to the collected ozone water and shaking the sensor. It can be detected in 10 seconds with the simple operation of one button. Dissolved ozone concentration is indicated by 10 LEDs. This instrument is not a me... Read More
    As ONE Part Number  2-8698-01  Classification of the Hazardous  Non-dangerous goods 
    from S$469.90
    Min. 2 days
  6. DO meter
    Iijima Electronics DO meter
    This DO meter is ideal for on-site measurements. The integrated and round structure achieves high IP68 compliant waterproofness. It is equipped with an automatic stability judgment function and a function that displays the number of days when the one-year warranty is approaching. It also has up t... Read More
    Continuous Operating Time (hours)  About 360  Mass (g)  About 800 (including Makitori)  Measurement Method  Diaphragm galvanic battery type  Diameter x Length (Φmm x mm)  About 210×90  Measuring Range (℃)  -5.0 to 50.0℃ Accuracy: ±0.2℃  Cable Length (m)  Specification  Dustproof and waterproof  Power Supply  AAA alkaline battery x 3 (included) 
    from S$1,999.00
    Min. 2 days
  7. Digital dissolved oxygen meter
    Mother Tool Digital dissolved oxygen meter
    It is possible to measure aerial oxygen and dissolved oxygen.
    Included Accessories  With hard case  Dimensions, Width W x Height H x Depth D (mm)  78×180×32  Mass (g)  About 335  Measurement Principle  Polarographic type  TGK Part No.  825-80-75-02  Power Supply  006P(9V)×1 
    from S$699.90
    Min. 2 days
  8. Zero Calibration Water for Dissolved Oxygen Meter
    Hanna Instruments Zero Calibration Water for Dissolved Oxygen Meter
    Recommended Expiration Date  3 months after opening  RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$63.99
    Min. 2 days
  9. Oxygen monitor Oxy-One
    ICHINEN JIKCO Oxygen monitor Oxy-One
    Wide measurement range from 0 to 100% (full range). Ideal for measuring oxygen concentration in containers such as desiccators and glove boxes.
    Measuring Range  0 to 25% (service range 25.1 to 100%)  Outer Dimensions, Width W x Depth D x Height H (mm)  88×35.5×55  Measurement Principle  Galvanic battery type  Target Gas  Oxygen 
    Rating:
    100%
    from S$639.90
    Min. 2 days
  10. Portable dissolved oxygen meter
    Hanna Instruments Portable dissolved oxygen meter
    Adopted galvanic electrode method The best one for the aquaculture industry Altitude correction function up to 4000m Chloride correction function up to 51g / L The screen is large and the temperature is displayed at the same time Temperature is also displayed at the same time With daily waterproo... Read More
    Operating Ambient Temperature (℃)  0~50  Dimensions (Length L x Width W x Thickness) (mm)  185×72×36  Power Supply  3 AAA alkaline batteries  Mass (g)  300  Cable Length (m)  Temperature Compensation  Automatic (-5 to 50 ° C)  RoHS directive (corresponding to 10 substances)  Correspondence  Waterproof Specifications  Everyday waterproof  Measurement Method  Galvanic electrode method  Calibration  Manual (air calibration) 
    Rating:
    70%
    from S$1,499.00
    Min. 2 days
  11. Dissolved ozone meter
    KRK (Kasahara Chemical Instruments) Dissolved ozone meter
    Measuring Range (mg/L)  0.00~3.00  Resolution  0.01mg/L  Mass (g)  290  Dimension (mm)  75×180×38  Power Supply  AAA alkaline battery x 4, auto power off 
    Rating:
    100%
    from S$1,499.00
    Min. 11 days
  12. Oxygen Monitor Replacement Sensor
    JIKCO Oxygen Monitor Replacement Sensor
    As ONE Part Number  1-1545-11  Type  Replacement sensor 
    from S$299.90
    Min. 4 days
  13. MLSS meter
    Iijima Electronics MLSS meter
    Battery Life  160 hours continuous  Power Supply  AAA battery x 3 (included)  Dimension (mm)  Body / Φ90 × 53, probe Φ43 × 170  Waterproof  IP67 (dustproof / waterproof) 
    from S$2,999.00
    Min. 10 days
  14. DO tip for dissolved oxygen meter OM-71
    HORIBA DO tip for dissolved oxygen meter OM-71
    from S$649.90
    Min. 2 days
  15. Electrolytic solution for dissolved oxygen
    CUSTOM Electrolytic solution for dissolved oxygen
    Electrolytic solution for dissolved oxygen Water quality surveys in manufacturing, food, research, schools, civil engineering sites, etc.
    RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$53.99
    Min. 2 days
  16. Portable dissolved oxygen meter
    DKK-TOA Portable dissolved oxygen meter
    For field DO measurement and BOD measurement.
    Data Memory  1000 data  Display  Custom lcd  Battery Life (hours)  About 400  Mass (g)  Approx. 280 (including batteries)  Measurement Method  Diaphragm galvanic cell method  Connection sensor  (ch1) Dissolved oxygen  Printer Output  EPS-P30 (option) can be connected  Temperature Compensation  Automatic  Outer dimensions, Width W x Height H x Depth D (mm)  68×35×173  Power Consumption (W)  Approx.0.014 (when using 3V battery)  Automatic Hold  Yes (stable judgment value: fixed) 
    from S$2,499.00
    Min. 2 days
  17. Membrane for dissolved oxygen meter
    Hanna Instruments Membrane for dissolved oxygen meter
    RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$259.90
    Min. 10 days
  18. Portable dissolved oxygen / pH meter
    DKK-TOA Portable dissolved oxygen / pH meter
    JIS Standard  (pH) JIS type 型  Connection sensor  (ch1) dissolved oxygen, (ch2) pH / ORP  Printer Output  EPS-P30 (option) can be connected  Power Consumption (W)  Approx. 0.004 (when using 3V battery)  Measuring Method / Model  No.SS101  Battery Life (hours)  About 1500  Automatic Hold  Yes (stable judgment value: fixed)  Mass (g)  Approx. 300 (including batteries)  Data Memory  1000 data  Outer dimensions, Width W x Height H x Depth D (mm)  68×35×173 
    from S$2,999.00
    Min. 5 days
  19. Dissolved oxygen meter
    KRK (Kasahara Chemical Instruments) Dissolved oxygen meter
    Mass (g)  290 (including batteries)  Dimension (mm)  70×170×36  Power Supply  AAA battery x 3 (included)  Measurement Method  Galvanic cell method 
    from S$1,999.00
    Min. 10 days
  20. Replacement Wag Knit (for ID-160T)
    Iijima Electronics Replacement Wag Knit (for ID-160T)
    Suitable for  For ID-160T 
    from S$259.90
    Min. 2 days
  21. MLSS Meter
    KRK (Kasahara Chemical Instruments) MLSS Meter
    Dimension (mm)  48×301×32  Automatic Power Off  After 30 minutes  Power Supply  Alkaline AA battery (LR1 x 4)  Measuring Range (mg/L)  MLSS/0~19900 
    from S$2,599.00
    Min. 12 days
  22. Field-type portable water quality meter + dissolved oxygen electrode set
    HORIBA Field-type portable water quality meter + dissolved oxygen electrode set
    A sturdy body that is ideal for the field. (Waterproof / dustproof structure) Intuitive operation with easy-to-understand indicators. The backlit LCD is adopted. You can easily move to the site with the carrying case. The main body, electrodes, standard solution, etc. can be stored all-in-one.
    Height (mm)  160  Power Supply  2 AA alkaline batteries  Mass (g)  240  Length (mm)  40  Width (mm)  80  RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$2,499.00
    Min. 5 days
  23. Dissolved oxygen sensor for IWC-6SD
    CUSTOM Dissolved oxygen sensor for IWC-6SD
    Sensor for dissolved oxygen Water quality surveys in manufacturing, food, research, schools, civil engineering sites, etc. * OXEL-03 is required to use this product, so please purchase it as well.
    Resolution  0.1mg/l  Measuring Range (mg/L)  0~20.0  Trusco Part No.  837-0421  RoHS directive (corresponding to 10 substances)  Correspondence  Compatible Products  IWC-6SD  Measuring Accuracy  ±0.4mg/l 
    from S$329.90
    Min. 5 days
  24. Oxygen Monitor
    JIKCO Oxygen Monitor
    A large LCD display that is easy to see. The alarm concentration can be set arbitrarily. Calibration at any concentration suitable for the measured concentration and one-touch calibration with normal air (20.9% O2) are possible.
    from S$1,499.00
    Min. 14 days
  25. DO electrode for dissolved oxygen meter OM-71
    HORIBA DO electrode for dissolved oxygen meter OM-71
    Operating Temperature Range (℃)  0~40  Length (m) 
    from S$1,099.00
    Min. 8 days
  26. Portable Dissolved Oxygen Meter
    METTLER TOLEDO Portable Dissolved Oxygen Meter
    Size (mm)  222×70×35  Mass (g)  270  Power Supply  4 AA batteries (included for testing)  Dust / Water Protection  IP67 
    from S$2,799.00
    Min. 14 days
  27. Gas Detection Alarm
    JIKCO Gas Detection Alarm
    Sensor conversion can be easily performed with an optional sensor cartridge that stores calibration data. The alarm settings can be changed as desired (alarm concentration x 2 points, alarm retention / automatic recovery). It is possible to control rotating lights, solenoid valves, etc. using an ... Read More
    from S$1,599.00
    Min. 14 days
  28. Dissolved Oxygen Electrode Cal Memo (Waterproof)
    DKK-TOA Dissolved Oxygen Electrode Cal Memo (Waterproof)
    Suitable Model  DO-31P/DM-32P  Type  Standard attached electrode 
    from S$979.90
    Min. 2 days
  29. Portable dissolved oxygen meter
    Hanna Instruments Portable dissolved oxygen meter
    * Products with proofreading cannot be canceled after ordering. * For products with calibration documents and traceability system diagrams, we can only accept orders online. * Applicable documents are attached only to the part numbers marked with documents in ().
    Operating Ambient Temperature (℃)  0~50  Waterproof Specifications  Everyday waterproof 
    from S$1,699.00
    Min. 24 days
  30. Waterproof Portable Oxygen Meter
    AS ONE Waterproof Portable Oxygen Meter
    As ONE Part Number  1-2813-01  Mass (g)  180  Model Number  AS720  Size (mm)  Body / 65 × 120 × 31  waterproof  IP57  Accuracy  ±0.30mg/L 
    from S$1,299.00
    Min. 4 days
  31. High performance portable DO / BOD / barometric pressure / ℃ meter
    Hanna Instruments High performance portable DO / BOD / barometric pressure / ℃ meter
    [Feature 1: Performance] Achieves desktop-type accuracy performance DO (dissolved oxygen) is 0.00 to 50.00ppm (mg / L), oxygen saturation is 0.0 to 600.0%, and a wide range of measurements is possible. It is equipped with chloride, pressure, and temperature correction functions for more accurate ... Read More
    RoHS directive (corresponding to 10 substances)  Correspondence 
    from S$2,299.00
    Min. 33 days
  32. Water-resistant ozone meter
    CUSTOM Water-resistant ozone meter
    Mass (g)  130 
    from S$699.90
    Min. 7 days
  33. Handy meter Dissolved oxygen meter
    CEM Corpration Handy meter Dissolved oxygen meter
    Easy maintenance with the adoption of a fluorescent sensor. It is a dissolved oxygen meter recommended for fish farming, aquariums, aeration tanks, etc. Equipped with automatic temperature compensation, automatic pressure compensation, and manual salt content compensation as standard equipment. E... Read More
    Measuring Range (mg/L)  0-20.00、0-200.0%  Resolution  0.01/0.1mg/L、0.1/1%、0.1℃  Case Mass (kg)  1.3  Power Supply  3 AA batteries (1.5V x 3)  Mass of Main Unit (g)  313  Case Dimensions (mm)  360×270×76  Main Unit Dimensions (mm)  88×170×33  Temperature Compensation (℃)  Automatic, 0-50.0  Protection Class  IP57 equivalent  Standard  RoHs, CE and ISO9001: 2008  Response Time  ≤30s (25%, 90% response) 
    from S$2,999.00
    Min. 8 days
  34. Optical Dissolved Oxygen Meter
    METTLER TOLEDO Optical Dissolved Oxygen Meter
    Size (mm)  222×70×35  Mass (g)  290  Dust / Water Protection  IP67 
    from S$3,299.00
    Min. 14 days
  35. Polaro electrode method Portable dissolved oxygen meter
    Hanna Instruments Polaro electrode method Portable dissolved oxygen meter
    Uses polaro electrode method Altitude correction function up to 4000m Chloride correction function up to 80g / L The screen is large and the temperature is displayed at the same time Equipped with GLP function Temperature is also displayed at the same time With daily waterproof function Portable ... Read More
    Dimensions (Length L x Width W x Thickness) (mm)  185×72×36  Power Supply  3 AAA alkaline batteries  Mass (g)  300  Temperature Compensation  Automatic (0-50 ℃)  Calibration  Automatic 1-point or 2-point calibration  RoHS directive (corresponding to 10 substances)  Correspondence  Waterproof Specifications  Everyday waterproof  Measurement Method  Polaro electrode method 
    from S$1,999.00
    Min. 33 days
  36. Water-resistant oxygen analyzer
    CUSTOM Water-resistant oxygen analyzer
    Mass (g)  10 
    from S$499.90
    Min. 7 days
  37. Probe for digital dissolved oxygen meter DO-5510HA
    Mother Tool Probe for digital dissolved oxygen meter DO-5510HA
    from S$389.90
    Min. 4 days
  38. Electrolyte
    FUSO Electrolyte
    from S$63.99
    Min. 10 days
  39. Fluorescent portable dissolved oxygen meter
    Hanna Instruments Fluorescent portable dissolved oxygen meter
    Fluorescent Portable Dissolved Oxygen Meter The latest 2018 DO meter that uses a fluorescent system that also supports the factory wastewater test method (JIS K 0102). Compared to the conventional diaphragm type, it saves a lot of time and effort, and also adds Hannah's unique performance. Th... Read More
    Operating Ambient Temperature (℃)  0~50  Operating humidity (%)  100RH  Dimension (mm)  185×93×35.2  Waterproof Specifications  Body: IP67, Electrode: IP68  RoHS directive (corresponding to 10 substances)  Correspondence  Measurement Method  Fluorescent  Logging  Manually up to 4000 data 
    from S$4,599.00
    Min. 5 days
  40. Edge DO (Dissolved Oxygen) Meter Electrode
    Hanna Instruments Edge DO (Dissolved Oxygen) Meter Electrode
    As ONE Part Number  2-9880-18  Function  Built-in temperature sensor 
    from S$1,199.00
    Min. 9 days
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