Key Parameters & Specifications Model Series: 2140 (Rosemount) Type: Vibrating Fork Level Switch Model Designation: 2140 (Standard vibrating fork) Housing Code: 142S (Specific housing configuration with options) Electrical Connection: L (Typically ½-14 NPT conduit entry) Insertion Length: 3301 (33.01 inches or specific length in mm/inches) Wetted Materials: C (Hastelloy® C-276 - corrosion-resistant alloy) Process Connection: B (Standard flange or threaded connection) Output: P (PNP/Relay/NAMUR - specific output type) Housing Material: A (Epoxy-coated aluminum or stainless steel) Approvals: A (Standard approvals for hazardous locations) Key Features Vibrating Fork Technology: Detects liquid level changes through frequency variation Self-Cleaning Design: Fork shape minimizes buildup and false readings Corrosion Resistance: Hastelloy C-276 wetted parts for aggressive media Insertion Length: Extended length 3301 for deep tank applications Reliable Operation: Not affected by changing dielectric constants, conductivity, or viscosity Hazardous Area Approvals: Suitable for various classified locations Typical Applications High and low level alarm in storage tanks Pump protection (dry-run prevention) Overflow protection Interface detection between liquids Tank overfill prevention systems Chemical and petrochemical processes