Portable High Precision Do Meter

Feature Wide-screen LCD display, with operation prompt function, easy to use. Using 32-bit microprocessor technology, it can measure dissolved oxygen concentration, saturation, electrode current and temperature, with automatic temperature compensation function. Adopt lithium battery power supply, with power management function of charging and power-off protection. Low power consumption design, automatically turn on and off the backlight by external light. The detection accuracy is high, and the instrument has built-in manual atmospheric pressure compensation and salinity compensation. Protection grade is IP65, waterproof and dustproof.
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Product Details

portable high precision do meter

portable high precision do meter

Technological Parameter

Measuring Range

Dissolved Oxygen Concentration


Dissolved Oxygen Saturation





Dissolved Oxygen Concentration


Dissolved Oxygen Saturation





Dissolved Oxygen Concentration


Dissolved Oxygen Saturation




Atmospheric Pressure Compensation

Manual compensation(60-110)KPa

Temperature Compensation

Automatic compensation(0-40℃;32-104℉)

Salinity Compensation

Manual compensation(0-50)g\L

Standard Electrode

SD02(3 M)

Response Time


Power Supply

lithium battery

Environmental Protection Level





270g(without sensor)

portable high precision do meter

DO: Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of the maximal concentration that can be dissolved in that medium. It can be measured with a dissolved oxygen probe such as an oxygen sensor or an optode in liquid media, usually water. The standard unit of oxygen saturation is percent (%).

portable high precision do meter


Purpose of measurement

Used to measure sea water and control the salinity of water from fisheries and fish farms, natural sea water for aquariums, artificial sea water, and the salt water used for fish storage.

An effective tool at Aquaculture Cooperative Associations or in Aquaculture Research institutes

Swimming pool water

Purpose of measurement

Regular pool water testing and maintenance of the chemicals are essential for ensuring a safe, comfortable swimming environment and preserving the longevity of pool finishes and equipment. 

Failure to monitor and maintain water quality can lead to damage or deterioration to the pool features, materials, and equipment. Above all, it can cause water conditions that may harm swimmers and cause a variety of illnesses.

Industrial waste 

Purpose of measurement

Wastewater discharges from industrial may contain pollutants at levels that could affect the quality of receiving waters or interfere with publicly owned treatment works (POTWs) that receive those discharges.


Purpose of measurement

Tons of instruments used in laboratory every single day. Lohand provide reliable and robust products with competitive price. 

portable high precision do meter

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