Rosemount 3051L Capacitive Level Transmitter
1. General Description
The Rosemount 3051L, also called the Rosemount TM 3051L Level Transmitter or Emerson Rosemount 3051L, is a precise device. It measures level and specific gravity. This device provides accurate and reliable use in industrial settings. As a Rosemount 3051L Liquid Level Pressure Transmitter, it offers enhanced stability, accuracy, and reliability for liquid level and specific gravity density measurements.
The Rosemount 3051L Liquid Level Transmitter changes hydrostatic pressure into an electrical signal. This gives accurate and reliable results. Useful for inventory control, material balance, and process monitoring. It uses advanced capacitive sensing technology to deliver accurate measurements, even under high temperatures and harsh operating conditions.
The transmitter has built-in diagnostics. These help find electrical loop problems.
They also reduce random or systematic errors. This ensures accurate results and saves costs. Users know it for its easy design. It allows simple setup, data collection, and works well with current systems.
Accuracy means how close a measurement is to the true value. Hitting the bullseye in a test feels like success. The Rosemount 3051L measures specific gravity and level accurately and quickly. It provides reliable, consistent, and high-quality performance in many industries.
The Rosemount 3051L level transmitter comes in different configurations. Industries use it in chemical processing, refining, food production, and water treatment. This device provides cost-effective, precise, and reliable results.
2.What is the difference between Rosemount 3051S and 3051C?
The Rosemount 3051S series is a high-end model. It offers great accuracy and a wider turn-down ratio. This is usually about ±0.04% of the span. It can also have a range of up to 200:1.
Engineers designed the Rosemount 3051C for general use. It has slightly lower accuracy, about ±0.15% of span, and fewer built-in diagnostics.
If your process needs high precision and a wide range, the 3051S is perfect. For reliable and cost-effective measurement, the 3051C is a great option.
3.How does a Rosemount 3051 transmitter work?
A Rosemount 3051 transmitter functions by converting pressure measurements into electrical signals. The process pressure causes the sensor diaphragm to flex, and a capacitive or piezoresistive element senses this movement, generating a proportional electrical output.
A built-in microprocessor converts the signal into a standardized 4–20 mA or digital (HART/Fieldbus) output. The device compensates for temperature and static pressure changes, ensuring accurate, stable, and repeatable measurements across various industrial-level and pressure applications.
4. Rosemount 3051L Technical Specifications
l Measurement Range: 0–8.3 inches H₂O to 0–300 psi
l Accuracy: ±0.075% of span (high precision and improved accuracy)
l Output Signal: 4–20 mA with HART Protocol or Low Power 1–5 VDC
l Power Supply:
l 4–20 mA: 10.5–42.4 VDC
l Low Power: 6–12 VDC
l Wetted Materials: Stainless Steel, Hastelloy, Monel, Tantalum
l Process Flange Materials: Carbon Steel, Stainless Steel
l Temperature Range: Up to 401°F (205°C) depending on fill fluid
l Weight: ~3.8 lbs (1.7 kg)
5. Rosemount 3051L Features
l Capacitive Measurement Technology: Provides accurate and reliable level and pressure readings.
l Precision Level and Specific Gravity Measurement: Ensures high precision and consistent results.
l Built-in Diagnostics: Detects electrical loop issues to minimize random and systematic error.
l Multiple Diaphragm Options: Supports flush and extended diaphragms for diverse process needs.
l Wide Rangeability: Up to 100:1 measurement range.
l User-Friendly Configuration: Easy setup and data collection via local operator interface (LOI).
l High Accuracy & Long-Term Stability: Delivers reliable, precise results even under extreme conditions.
l Cost-Effective Design: Reduces maintenance and operational costs while improving measurement accuracy.
6. Rosemount 3051L Applications
l Liquid level measurement in tanks and vessels
l Inventory control in chemical and food processing
l Material balance in industrial production
l Water and wastewater treatment facilities
l Specific gravity and density measurement in liquids
l Works as a differential pressure transmitter or a gauge pressure transmitter
l Suitable for process automation and gravitational field applications
7. Installation Procedure (Step by Step)
A. Preparation: Gather tools, review manuals, and verify measurement range.
B. Mounting: Position the transmitter securely; avoid vibration and allow drainage.
C. Wiring: Connect the power supply properly and ensure correct grounding.
D. Calibration: Adjust zero and span; use the capacitive measuring principle.
E. Configuration: Perform setup via LOI for easy, user-friendly operation.
F. Testing: Verify output and confirm stability of readings.
G. Finalization: Tighten fittings, close panels, and document installation results.
8. Related Part Numbers
l Rosemount 3051L2AA0FD21AAM5DF – Liquid Level Transmitter
l Rosemount 3051L2AA0FD21AJC6 – Liquid Level Transmitter
l Rosemount 3051L2AA0GC31AJS1C6M4Q4D4T1CTDOF1SYQZGMHR7 – Liquid Level Transmitter
l Rosemount 3051L2AA4FD21AAQ4 – Liquid Level Transmitter
Rosemount 2051C Coplanar Pressure Transmitter
Rosemount 3051CD Differential Pressure Transmitter
Rosemount 248 Temperature Transmitter
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