Factory Original Emerson Rosemount 3051L Differential Pressure Level Transmitter

• Customization: Available
• Type: Lightning Protection Type
• Structure Design: Flange Type
• Model NO.: Rosemount 3051L
• Pressure Range: High Pressure
• Display Type: LCD
• Accuracy Grade: 1.0G
• IP Rating: IP65
• Certification: CE
• Customized: Customized
• Product Name: Emerson Rosemount 3051L Level Transmitter
• Measurement Type: 3051L Smart Level Transmitter
• Warranty: One Year Warranty
• Enclosure Rating: IP66
• Output Signal: 4–20 Ma
• Power Supply: 10.5–42 V DC
• Process Connections: Flanged, Threaded, or Clamp-Style
• Materials: 316L Stainless Steel, Hastelloy C-22, Alloy C-276
• Output Signals: 4–20 Ma (Isolated), Hart® 7, Foundation
• Shock Resistance: 50g (11 Ms Half-Sine)
• Operating Temperature: -40°c to +85°c (-40°f to +185°f)
• Response Time: <100 Ms (Adjustable Damping Available)
• EMC Immunity: 30 V/M (80 MHz–1 GHz)
• Sensor Tube Design: Straight or Curved Coriolis Tubes (No Moving Parts
• Vibration Resistance: 2g RMS (10–2000 Hz)
• Transport Package: Support Air/Land/Sea Transportation
• Specification: 40cm*30cm*30cm*
• Trademark: Emerson
• Origin: China
• HS Code: 9026201090
• Production Capacity: 1000 Piece/Year
• Package Size: 35.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 2.000kg

Product Description

Product Description

Emerson Rosemount 3051L Differential Pressure Level Transmitter

The Emerson Rosemount 3051L Differential Pressure (DP) Level Transmitter is a high-precision, field-proven instrument designed to deliver reliable and accurate level measurement for liquids, slurries, and interface applications in industrial environments. As part of Emerson's 3051 family of pressure transmitters, the 3051L leverages advanced capacitive sensor technology and digital signal processing to provide stable performance with minimal maintenance. Its ability to measure liquid levels in open or closed tanks, separators, and vessels makes it indispensable in industries such as oil and gas, chemical processing, power generation, and water/wastewater treatment.

Core Technology and Operating Principle
The 3051L operates on the differential pressure principle, where the pressure difference between two points in a vessel is used to determine liquid level. The transmitter measures the pressure exerted by the liquid column (hydrostatic pressure) and calculates level based on the fluid's density and tank geometry. This method ensures direct level measurement without relying on external compensation for process conditions like temperature or viscosity.

At its core, the 3051L uses a silicon resonant sensor, which detects pressure-induced changes in capacitance and converts them into an electrical signal. The sensor's design ensures high sensitivity and repeatability while minimizing drift over time. A fully integrated pressure module houses both primary and secondary diaphragms, enhancing reliability by reducing mechanical stress and thermal effects.

A key innovation is the integration of HART 7 communication, enabling bidirectional digital communication over traditional 4–20 mA analog signals. This allows remote configuration, diagnostics, and data retrieval without interrupting operations. Optional FOUNDATION Fieldbus or PROFIBUS PA protocols provide seamless integration into modern control systems, supporting advanced process analytics and asset management strategies.

Technical Performance and Features
The 3051L delivers exceptional accuracy and versatility:
Measurement Accuracy: ±0.065% of span, ensuring precise level monitoring for critical process control.
The transmitter's modular design simplifies maintenance, allowing easy replacement of sensor modules or electronics without removing the device from the process. Its self-calibrating circuitry reduces the need for frequent manual calibration, while built-in diagnostics continuously monitor sensor health and signal integrity.

Advanced Diagnostic and Asset Management Features
The 3051L incorporates predictive diagnostics to enhance operational reliability and reduce unplanned downtime. Key diagnostic capabilities include:

Sensor Health Monitoring: Detects sensor degradation, overpressure events, or abnormal drift, providing early warnings of potential failures.
Signal Integrity Checks: Identifies electrical noise, grounding faults, or wiring issues affecting measurement accuracy.
Device Health Alerts: Notifies operators of internal component failures, such as power supply anomalies or microprocessor errors.
These diagnostics are accessible via HART or digital communication protocols and can be integrated into Emerson's PlantWeb® digital ecosystem or other asset management systems like AMS Device Manager. This enables proactive maintenance planning, optimizing equipment uptime and reducing lifecycle costs.

Ease of Use and Integration
Installation and configuration of the 3051L are streamlined through intuitive local and remote interfaces:

Local Configuration: A backlit LCD display with push-button controls allows on-site setup and troubleshooting without removing the transmitter from the process.
Remote Configuration: HART or digital protocols enable adjustments using handheld communicators, mobile devices, or control system interfaces.
Flexible Mounting Options: Compatible with direct-mount, flange-mount, or remote-seal configurations for adaptability to diverse piping systems.
The 3051L's universal design supports multiple process connections (e.g., threaded, flanged, or sanitary) and integrates seamlessly with legacy 4–20 mA systems while supporting modern digital upgrades.

Specification

Emerson Rosemount 3051L Differential Pressure Level Transmitter
Parameter	Specification
Measurement Type	3051L: Smart Differential Pressure Level Transmitter (HART® Protocol)
Pressure Range	0–0.1 kPa to 0–41375 kPa (0–0.15 psi to 0–6000 psi), depending on model
Accuracy	±0.075% of span (standard), ±0.04% (high-accuracy option)
Output Signal	4–20 mA + HART® 7 Digital Communication
Power Supply	10.5–42 V DC (loop-powered)
Operating Temperature	-40°C to +85°C (-40°F to +185°F)
Response Time	<100 ms (adjustable damping available)
Wetted Materials	316L Stainless Steel, Hastelloy C-276, Monel 400, or Tantalum
Process Connection	Flanged (ANSI, DIN, JIS), threaded (NPT, BSP), or clamp-style (hygienic)
Enclosure Rating	Aluminum or 316 Stainless Steel; IP66 (NEMA 4X), IP67 (NEMA 6P)
Sensor Type	Capacitive or Piezoresistive Silicon Cell
Ambient Temperature	-40°C to +85°C (-40°F to +185°F)
Vibration Resistance	2g RMS (10–2000 Hz)
Shock Resistance	50g (11 ms half-sine)
EMC Immunity	30 V/m (80 MHz–1 GHz)

Company Profile

Company Profile

KeRul (WeiFang) Automation Equipment Co., Ltd. is speciallzed in industrialautomation instrument development, production and sales, technical servicesand supporting equipment supply of specialized companies, The mainproducts are fow meters, level meters, temperature meters, pressuremeters, electrical meters, thermal meters, programmable controller(PLC), Dcs distributed control system, eight series of more than 1,000specifcations. its products and technologies are widely used in electrlcpower, metallurgy, petrochemical, environ. mental protection, plastics,food,l printing, tobacco, textile, dyeing and other fields.

Our Service

OEM / ODM services
To meet the user diversified requirement, Holykell have established a set of customer service and technical support system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely manner to ensure accurate delivery time and product quality.
Order services
Fastest reply:Professional sales engineers 7/24 online services
Payment terms:T/T ,Western union, Paypal, Credit Card, L/C others
Fast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment .
 
MAINTENANCE & AFTER-SALES SERVICES
Customer Feedback:  Sales engineers and technical engineers will be one-on-one service for you to exclude all obstacles when use our sensors.
Warranty period: 12 months
Product life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensors

Packaging & Shipping

FAQ

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A: We will reply to you as soon as we see the information 
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A:The products in stock will be shipped after receiving the payment, and the products that need to be ordered are subject to the factory time. 
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A: Do not worry about the package, we have rich experience in packing.
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A:You can choose T/T.