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Conductivity / TDS Meters buy in Petaling Jaya
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Conductivity / TDS Meters

Conductivity / TDS Meters

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Description

Conductivity is a variable that is monitored in many fields ranging from the chemical industry to agriculture. The variable is basically a measurement of the amout of dissolved salts in a given liquid and is inversely proportional to resistance.

With conventional meters, conductivity is obtained by applying a volatge across two probes and measuring the resistance of the solution. Solutions with a high conductivity, produce a higher current. In order to keep a low current in a highly conductive solution, you would have to reduce the surface area of the probe or increase the distance between the poles. The dual-sensor method is suitable for solutions with low medium conductivity. For this reason different probes must be used for higher ranges.

Only the four-ring method can measure multiple ranges with a single meter and a single probe. The advantages of four-ring over two-probe (amperometric) method are numerous, including a linear reading over a wide range, no polarization, no need for thorough cleaning, etc. In 1980 Hanna was the world's first manufacturer to introduce the four-ring or potentiometric method of conductivity measurement with portable and bench meters.

Hanna offers a wide range of Amperometric (two-sensor) and a Potentiometric (4-ring) meters. In addition to well-established models, you have a choice of multiple meters for TDS, conductivity and pH as well as specific instruments made for boilers and agriculture.

The range has been substantially extended to include waterproof meters measuring TDS as well as conductivity for outdoor or industrial applications. Several new look bench meters have been developed for labs. Add to these logging and printing meters, all with the superior four-ring technology and you have a wide spectrum of conductivity and TDS meters for about every application.

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Conductivity / TDS Meters
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