The BW 25 is a loop-powered displacer level transmitter for measuring and/or detecting liquid level or liquid-liquid interface under extreme process conditions. It can deal with corrosive media, high temperatures (up to +400°C / +752°F) and high pressures (up to 400 barg / 5800 psig).The BW 25 can be used as a level indicator without the need for auxiliary power supply. Equipped with a switch module the unit can be used as level switch
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