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What is a pH Meter and how does it Work? Full-time Job

2 months ago Public Service Sambhal   37 views
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What is a TDS meter?

TDS Meter is a small hand-held device used to indicate the Total Dissolved Solids in a solution, usually water. Since dissolved ionized solids, such as salts and minerals, increase the conductivity of a solution, a TDS meter measures the conductivity of the solution and estimates the TDS from that reading.

TDS meters may be referred to as TDS testers or PPM (parts per million) testers, but all of these are different names for the same thing. TDS meters can be purchased for as low as $10, but more advanced models can cost $1,000+ based on the level of accuracy and additional features offered.

For example, a basic TDS meter may only measure the amount of total dissolved solids in a solution while an advanced model may be able to check salinity, temperature, and more.

DO Meters use an electrochemical, polarographic, amperometric, galvanic, or optical sensor to measure the amount of gaseous oxygen dissolved in a water sample. DO is an important water quality parameter that effects marine life, the taste of drinking water, and the corrosiveness of a water sample. Common applications include groundwater remediation, wastewater, aquariums, and fish hatcheries.

Salt Meters are an easy-to-use water quality indicating tool and are a great way to obtain a quick estimate of the dissolved salt present in a wide range of water samples.

They are useful in a wide range of applications from testing salinity levels in water used for agriculture, drinking water, wastewater, and for testing the water in home pools and spas.

If you have an interest in knowing how a salinity meter works, this article is for you.

About Salinity Meters

Salinity Meters are devices that are used to measure the amount of salt present in a substance.

You can purchase salinity meters either on their own or as a sensor in multiparameter meters, which can measure other water quality parameters such as pH, conductivity, TDS and more.


The inner workings of salinity meters may seem complex, but they produce accurate salinity measurements in a matter of seconds. When looking for a salinity meter, it is important to check whether the units of measurements are suitable for your requirements and choose a device with automatic temperature compensation (ATC) to make measuring faster and easier.

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