EMERSON
Measurement Instrumentation
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Rosemount™ 2521 Solids Level Switch - Vibrating Fork

Solids level switch with high sensitivity for fine-grained and powdered media, with adjustable switching delay and adjustable sensitivity

The Rosemount 2521 Solids Level Switch is suitable for fine-grained and powdered media in storage and process vessels where high sensitivity is needed. It is a robust technology with high sensitivity and is easy to operate. It has flexible options via configurable specifications for different applications. With an adjustable switching delay, false switching can be prevented.

Key Features

  • Reliable Detection for Fine and Lightweight Solids: Vibrating‑fork technology provides reliable point level detection for fine‑grained, powdered and low‑density bulk solids.
  • High Sensitivity for Challenging Media: Enhanced sensitivity options ensure reliable switching with very light materials, even in aerated or pneumatic‑filling applications.
  • Compact Design for Flexible Installation: Short fork options and versatile mounting make installation easy in confined spaces and small vessels.
  • Robust, Maintenance‑Free Operation: A solid‑state measuring principle with stainless‑steel wetted parts delivers long‑term reliability without routine maintenance.
  • Stable Performance in Vibrating Processes: Designed to maintain accurate switching despite mechanical vibrations from filling or handling equipment.
  • Hygienic and Hazardous‑Area Ready: Polished forks support hygienic processes, with approvals available for hazardous‑area installations.
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