Wednesday 02 December, 2020

The MAG-VIEW FAQ page displays all frequently asked questions to us and displays the answers.

MAG-VIEW

Can the MAG-VIEW QA-series be used with low viscosity mineral slurries?

It can as long as the electrical conductivity is above 20 μS/cm. However the accuracy will not be the same as stated it the data sheet. Reason is that slurries are not homogeneous like water.

Is the MAG-VIEW sensitive to air bubbles?

The MAG-VIEW is sensitive to bubbles. However it is hard to quantify the impact on the output signal. That can range from ‘not noticeable’ to a ‘significantly compromised’ output signal. It depends on the number as well as the nature of the bubbles. Testing is the only way to be sure.

MAG-VIEW export codes (TARIC, ECCN and Country of origin)

The TARIC code is only for goods imported to the EU.
The MAG-VIEW-series is not subject of the ECCN list.
Country of origin is Germany

The fluid conductivity changes during the measurements, is that a problem?

Actually changing conductivities can compromise the result. Especially when the fluids with the different conductivities do not mix with each other because of different viscosity.

We have observed that the sensor needs 20 sec or more to become „accustomed“ to the new conditions. After that period of conditioning the result will be fine.

In short, rapid changes of liquids with changing conductivity will be a problem. The longer the cycle the better.

IP Rating and NEMA Rating

 

The IP Rating (Ingress Protection Rating) of an instrument consists of the letters IP followed by two digits and an optional letter.  As defined in international standard IEC 60529, it classifies the degrees of protection provided against the intrusion of solid objects including body parts like hands and fingers, dust, and accidental contact (the first digit after IP), and water (the second digit after IP) in electrical enclosures. IP Rating Chart
The National Electrical Manufacturers Association (NEMA) in the United States also publishes protection ratings for enclosures similar to the IP rating system published by the International Electrotechnical Commission (IEC). NEMA however also dictates other product features not addressed by IP codes, such as corrosion resistance, gasket aging, and construction practices. NEMA Rating Chart
For this reason while it is possible to map IP Codes to NEMA ratings that satisfy or exceed the IP Code criteria, it is not possible to map NEMA ratings to IP codes, as the IP Code does not mandate the additional requirements. IP to NEMA

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