Contacting Conductivity Sensors SC42/SC4A(J)
Country: · Model: SC42, SC4A(J)
The SC42 and SC4A(J) contacting conductivity sensors judge water quality by its conductivity. They are used in boiler feedwater, reverse osmosis units and demineralizers.
Technical specifications
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The fewer contaminants in water, the lower its conductivity, so this value quickly shows whether the water is clean enough. Conductivity sensors need far less maintenance than pH sensors and only minimal calibration. That is why they sit where water quality must be watched all the time, in boiler feedwater, on reverse osmosis (RO) units and in demineralizers. In a contacting sensor the electrodes touch the liquid and the instrument measures its resistance. This type is fairly inexpensive, which matters when there are many control points. The SC42 and SC4A(J) series are used as a simple, low-maintenance indicator of water quality. The photos show cylindrical metal and white plastic bodies of various sizes. Numeric parameters, including range and temperature, are confirmed from the documentation.
How to choose
First find out which water is measured and what conductivity to expect. Pure water after osmosis and demineralization calls for a sensor with a small cell constant, which is confirmed from the documentation. The SC42 and SC4A(J) differ in construction, so the model is taken by connection and body material. For aggressive and dirty media an inductive electrodeless sensor is better. With many control points, the low cost of the contacting type noticeably cuts spending across the whole sensor fleet.
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Contacting Conductivity Sensors SC42/SC4A(J). We reply within one business day.
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FAQ
Where are the SC42 and SC4A(J) sensors used?
In boiler feedwater, on reverse osmosis (RO) units and in demineralizers.
Why is a conductivity sensor simpler than a pH sensor?
It needs far less maintenance and only minimal calibration.
How does conductivity relate to water purity?
The fewer contaminants, the lower the conductivity, so the sensor serves as an inexpensive water quality indicator.
What is a contacting conductivity sensor?
A sensor whose electrodes touch the liquid directly. Inductive electrodeless sensors also exist.
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