Since 1990, Themo Scientific Eutech Instruments have been known for their dedication to the design of sensor-based instruments for water quality analysis. Scientist can choose from a wide range of reliable microprocessor-based instruments and chemical sensor systems for electrochemical and photometric water analysis. Additionally, on-line process instruments for the monitoring and control of pH, Conductivity, Total Dissolved Solids (TDS), Redox Potential (ORP), Dissolved Oxygen (DO) and other water quality parameters are available.
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Eutech DO Meter
DO stands for Dissolved Oxygen, which is the measure of the amount of gaseous oxygen dissolved in a solution. In theory, the amount of DO in a solution is dependent on 3 factors, namely temperature, salinity, and atmospheric pressure. The measurement of DO requires a special DO electrode that is made up of an anode, a cathode, electrolyte solution, and a gas-permeable membrane. Applications Aquaculture: Use to monitor oxygen levels in catfish and shrimp farming; game stocking ponds; ornamental fish tanks and ponds; and in other fish farming applications. Industrial: Ideal for checks the quality of plant water intake and discharge, wastewater, and water treatment, recirculating systems, and industrial process systems. Environmental: Use to test water quality, monitor the health of aquatic ecosystems, survey surface, and groundwater drinking supplies. Educational: Ideal for quick, accurate DO readings in laboratories and schools. Features: -User Customisation for user’s flexibility like toggling of various modes from ppm, mg/l to % saturation, view electrode diagnosis, etc. -Easy Calibration can be performed at 100% and/or 0% and mg/l or ppm against a known solution -Automatic Temperature Compensation (ATC) guarantees the highest accuracy under varying temperature condition -Galvanic Cell allows instantaneous measurements, producing quick responses and eliminates polarisation; requires minimal maintenance -Automatically Compensates Salinity and Barometric Pressure after manual input for increased accuracy. -Hold Function momentarily freezes reading for easy viewing -Auto-Power Off saves battery power after non-use -Self-Diagnostic with message codes for easy troubleshooting -Large Custom LCD provides optimum viewing even at a distance -Protective Rubber Boot shields meter from accidental knocks and features a sturdy built-in stand for easy bench-top operation -Rugged Carrying Case (Optional) provides handy on-site meter calibration and measurement
Eutech Electrodes
pH measurement is usually done with the use of a combination electrode. The combination electrode is an electrode system formed by a glass sensing half-cell and an internal reference half-cell. As the reference junction acts as the medium of conductor between the reference electrolyte and the sample to be measured, it must allow free movement of electrons through the junction and into the sample. A potential develops on the membrane surface when a pH electrode comes into contact with a sample and its value varies with the pH of the sample. This variation in potential is measured in mV by a meter and is converted to direct pH values. The selection of a suitable electrode depends on the types of applications.
Eutech pH Tester
Applications -General: Ideal for quick and accurate pH checks in pools and spas, aquariums and hydroponics operations, or anywhere frequent pH testing is required. -Industrial: Use for cooling towers, food processing water testing, and process/wastewater testing in metal finishing, photo development, printing, and chemical industries. -Educational: Useful in schools, many laboratory applications, and ecology studies. Features: -Large Display Screen – dual display LCD for enhanced readability, provides comprehensive meter information -Waterproof, Dustproof Housing – IP67 rated, maintains the integrity of your tester even in harsh conditions. Plus it floats! -User-Replaceable Sensor – reuse the same meter body many times -Double Junction Sensor offers longer-lasting usage -Push-Button Calibration with Auto-Buffer Recognition – quick, easy calibration with no calibration mistakes -Choice of USA or NIST pH buffer standards with up to 3 points -Auto-Power Off saves battery power after non-use -Hold Function freezes reading momentarily for easy viewing -Self-Diagnostic for easy troubleshooting (e.g battery indicator, message codes) -Enhanced power saving allows extended power consumption up to 500 hrs with a single battery set
Eutech pH meter
Applications -Educational: Useful for most laboratory, ecological studies, and other applications. -Laboratory: Environmental studies, chemical labs, titrations, and quality assurance testing. -Use in all types of food processing. Eutech pH 2700 Features: -Up to 6-point calibration with auto-buffer recognition -Quick, easy electrode diagnosis with multiple pH slopes and offset display -Non-volatile memory holds up to 500 data points – time and date-stamped for GLP compliance -Calibrate with up to 5 custom pH buffers – use any pH values that are >=1.0 pH unit apart -Cal-due alarm – no more out-dated calibrations! -Auto-logging function for convenient continuous monitoring -Password protection for setup and calibration Eutech pH 700 Features: -Large, easy-to-read display -Ready indicator let you know when readings are stable -Up to 5-point calibration with auto-buffer recognition -Non-volatile memory holds up to 100 data points I-ntegral electrode holder
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