Krohne’s new Optiswitch 5300 C presents a vibration level switch for liquids, which can withstand extreme process conditions such as hot or cryogenic temperatures and high process pressure. The application area ranges from chemical or oil and gas related industries, marine (LNG) tankers to steam generation.
The instrument provides overfill prevention, high/low level alarm, or dry run protection for pumps in liquid applications with a temperature range from -196 to 450°C and pressure range from -1 to 160 barg. Insertion lengths are available up to 3 m with a wide variety of sensor materials and process connections. The wetted parts are made of Inconel Alloy 718 with 316L or Hastelloy C-22. Communication options include 2-wire output, relay (DPDT) and transistor PNP/NPN electronics.
The new level switch features Ex, WHG (German Wasserhaushaltsgesetz) and various ship approvals, and fulfills the requirements for use in boilers and auxiliary installations according to EN 12952-11 (water tube boilers) and EN 12953-9 (shell boilers). Optiswitch 5300 C is designed for use in safety loops: as a single device for a single safety function (1oo1), it meets SIL2 architecture, in a homogenous redundant setup, it meets SIL3 (1oo2) architecture.
The new device adds to the Krohne range of vibration level switches that provide accurate and reliable point level detection.
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