The KROHNE OPTISWITCH 5250 C is a vibrating level switch that utilizes an extension tube. Designed for use with hygienic applications for all liquids, the 5250 C uses tuning fork technology and is ideal for use in all areas of process technology. Typical applications are overfill and dry run protection. Thanks to its simple and robust measuring system, the OPTISWITCH 5250 C is virtually unaffected by the chemical and physical properties of the liquid. It functions even under difficult conditions such as turbulence, air bubbles, foam generation, buildup, strong external vibration or changing products.
The OPTISWITCH 5250 C is available with probe extensions up to 6000 mm (236 inches) allowing installation in a wide variety of tanks and vessels. 5250 C can also be operated without external evaluation system. The integrated electronics evaluates the level signal and outputs a switching signal. With this switching signal, a connected device can be directly activated.
The KROHNE OPTISWITCH 5250 C is available with a number of options to tailor the unit to a variety of applications. A number of hygienic process connections are available. Each process connection is made of polished stainless steel with surface roughness (Ra) less than 0.8 µm. A high temperature option allows use in environments up to 250 °C (the standard temperature limit is 150 °C). The unit also functions in pressures up to 64 bar. Standard accuracy is approximately 2 mm (0.08") with vertical installations.
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