For those occasions where a critical flow needs to be signalled rapidly to avoid serious consequences to downstream equipment, ifm electronic is releasing new versions of the SBY flow switch range.
Following the binary output devices capable of detecting a presence or loss of a flow within less than 0.01 seconds, ifm is launching the SBY433 and SBY434, which provide the same fast response, but with a 4-20mA analogue signal. The setting range of the SBY433 covers 1 to 25 litres/minute, while the SBY434 can be set between 2 and 50 litres/minute, in each case with minimal pressure loss.
As featured in the binary SBY, the analogue SBY is simple to adjust via the calibrated setting ring. Both have Rp ¾ process connection and operate on a nominal 24V DC. Permissible medium temperatures range from +10 to +85degC, and while the data are stated for water, the materials in contact with the medium such as stainless steel, nickel-plated brass and industrial plastics mean that flows other media can be signalled.
A typical application is cooling water, so for applications such as cooling circuits in induction furnaces, the SBY flow switch range from ifm electronic is suitable. Go to www.ifm-electronic.co.uk to learn more.
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