Rosemount 2120 Vibrating Fork Level Switch

Description:

The Rosemount 2120 Vibrating Fork Level Switch (model 2120D2GS165YHQ4) is designed for reliable point-level detection of both liquid and solid materials in various industrial applications. Using vibrating fork technology, the device detects the presence or absence of material, ensuring accurate and dependable operation in challenging environments. The 2120 series is suitable for use in tanks, silos, and vessels, providing high performance even under harsh conditions.

With a rugged construction and the absence of moving parts, the Rosemount 2120 offers a maintenance-free, durable solution for level detection in a wide range of industries, including chemical, food and beverage, oil and gas, and wastewater treatment.

Key Features:

• Vibrating Fork Technology: The vibrating fork principle ensures reliable detection of materials without recalibration, making it ideal for liquids, slurries, and bulk solids.

• No Moving Parts: The fork design eliminates wear and tear, reducing maintenance needs and improving the longevity of the device.

• Versatile Application: Works effectively in various materials, including powders, liquids, slurries, and bulk solids in different types of storage tanks, vessels, and silos.

• Compact and Reliable: Its robust design and small footprint make it suitable for use in confined spaces and in a wide range of tank sizes.

• Wide Operating Temperature: Can handle extreme temperatures, making it adaptable to various industrial environments.

• Simple Installation: The easy-to-mount design, along with available configurations for top or side mounting, simplifies installation.

• Certifications: Available with hazardous location certifications such as ATEX, FM, and CSA for use in explosive environments.

Technical Specifications:

• Model Number: 2120D2GS165YHQ4

• Technology: Vibrating Fork

• Fork Length: 165 mm (approx. 6.5 inches)

• Process Connection: 1" NPT (can be customized depending on application)

• Mounting Style: Top mount (other mounting options available)

• Output Signal:

  • SPDT Relay Output for level switching

  • Optional 4-20 mA Output for continuous level monitoring (depending on configuration)

• Power Supply: 24 VDC (typical)

• Temperature Range: -40°C to +150°C (-40°F to +302°F), depending on configuration

• Pressure Range: Up to 40 bar (580 psi)

• Process Wetted Material: Stainless Steel (SS 316) or other corrosion-resistant materials

• Enclosure Rating: IP67 (dust-tight and water-resistant)

• Response Time: Less than 1 second for reliable point-level detection

• Accuracy: ±2 mm (0.08 inches) in most applications

• Certifications:

  • ATEX, FM, CSA (for hazardous locations)

  • CE and UL approved

• Display: No local display (requires external display for feedback)

Applications:

• Bulk Solids: Ideal for detecting the level of powders, grains, and other bulk solids in silos, hoppers, and storage bins.

• Liquids: Effective for point-level detection of liquids in tanks and vessels in industries such as chemicals, food and beverage, and pharmaceuticals.

• Slurries and Viscous Liquids: Suitable for slurries, sticky liquids, and materials that tend to coat other types of sensors.

• Water and Wastewater: Used for level detection in water treatment plants, sumps, and pump stations.

• Chemical and Pharmaceutical: Reliable for monitoring chemicals, solvents, and raw materials during production and storage.

• Food and Beverage: Can detect levels in food-grade liquids and solids, ensuring continuous and accurate monitoring of storage tanks.