Industrial Process Measurement Device 3051c transmitter
Product Overview:
The Industrial Process Measurement Device 3051C Transmitter is a celebrated instrument renowned for its exceptional precision and accuracy in pressure measurement, making it indispensable across industries where reliable monitoring is critical. Its advanced technology ensures consistent, trustworthy readings that foster safety and optimal process control, even in the most demanding environments. Engineered with an innovative coplanar design, the transmitter eliminates the need for remote seal diaphragms, impulse lines, and capillaries, thereby minimizing potential leak points, simplifying installation, and reducing maintenance overhead. This streamlined approach enhances efficiency, lowers integration costs, and contributes to long-term stability and performance. Designed for high accuracy and versatility, the 3051C Transmitter excels in diverse applications ranging from chemical production and oil and gas extraction to power generation and pharmaceutical manufacturing. By delivering precise, real-time measurements, it empowers operators to uphold rigorous quality standards, improve system efficiency, and reinforce its position as a leader in modern industrial measurement technology.
| Parameter |
Rosemount 3051C (Emerson) |
Yokogawa EJA530E |
ABB 266DSH |
Honeywell STD700 |
| Measurement Type |
Differential Pressure |
Differential Pressure |
Differential Pressure |
Differential Pressure |
| Accuracy |
±0.04% of span |
±0.055% of span |
±0.025% of span |
±0.0375% of span |
| Stability |
0.1% of URL for 10 years |
0.1% of URL for 10 years |
0.05% of URL for 10 years |
0.05% of URL for 10 years |
| Rangeability (Turndown) |
Up to 100:1 |
Up to 100:1 |
Up to 100:1 |
Up to 100:1 |
| Output Signal |
4–20 mA + HART / FF / Profibus |
4–20 mA + HART / FF |
4–20 mA + HART / FF / Profibus |
4–20 mA + HART |
| Response Time |
100 ms |
120 ms |
100 ms |
100 ms |
| Process Connection |
Coplanar / Traditional |
Direct Mount |
Direct Mount |
Direct Mount |
| Operating Pressure |
Up to 13,800 psi (950 bar) |
Up to 4,500 psi (310 bar) |
Up to 6,000 psi (414 bar) |
Up to 6,000 psi (414 bar) |
| Operating Temperature |
–40 to +121 °C |
–40 to +120 °C |
–40 to +85 °C |
–40 to +120 °C |
| Special Features |
Coplanar design, SIL2/3 certified |
Compact, lightweight, SIL2 |
High accuracy, SIL2/3 |
High stability, SIL2 |
Product Selection Table:
| model |
Type of transmitter (choose one) |
CD |
CG |
CA |
| 3051CD 3051CG 3051CA |
Differential pressure transmitter, Gauge pressure transmitter, Absolute pressure transmitter |
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| code |
Pressure range (URL) (choose one)
3051CD type 3051CG type 3051CA type |
CD |
CG |
CA |
| 0 |
Not provided 0-0.167to0-5psia
(0-8.6to0-260mmHga) |
-- |
-- |
-- |
| 1 |
0-0.5to0-25inH20 Not provided 0-0.3to0-30psia
(0-2.07to0-206.8kPa) (0-2.07to0-206.8kPa) |
-- |
-- |
-- |
| 2 |
0-2.5to0-250inH200-2.5to0-250inH200-1.5to0-150psia
(0-0.62to0-62.2kPa)(0-0.62to0-62.2kPa)(0-10.34to0-1034.2kPa) |
-- |
-- |
-- |
| 3 |
0-10to0-1000inH200-10to0-1000inH200-8to0-800psia
(0-2.48to0-248kPa)(0-2.48to0-248kPa)(0-55.16to0-5515.8kPa) |
-- |
-- |
-- |
| 4 |
0-3to0-300 psi 0-3to0-300 psi 0-40to0-4000 psi
(0-20.7to0-2070kPa)(0-20.7to0-2070kPa)(0-275.8to0-27580kPa) |
-- |
-- |
-- |
| 5 |
0-20 to 0-2000 psi 0-200 to 0-2000 psi
(0-138 to 0-13800kPa) (0-138 to 0-13800kPa) |
-- |
-- |
-- |
| code |
output |
CD |
CG |
CA |
A
M(1) |
4-20mA, with a digital signal based on the HART protocol
Low power consumption, 1-5VDC with digital signal based on HART protocol (0.8-3.2Vdc, using option code C2) Not provided |
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Applications:
Applications of the 3051CG Transmitter
The 3051CG Transmitter is widely adopted across industries where precise differential pressure measurement is essential. Its advanced coplanar design and high accuracy make it suitable for a broad range of process control and monitoring tasks, including:
- Flow Measurement
- Used with primary elements such as orifice plates, venturi tubes, and pitot tubes to provide accurate flow calculations in liquid, gas, and steam systems.
- Level Measurement
- Ideal for monitoring liquid levels in pressurized and atmospheric tanks, ensuring reliable inventory management and process stability.
- Pressure Monitoring
- Provides dependable differential pressure readings in pipelines, reactors, and filtration systems, supporting safe and efficient operations.
- Filter and Pump Monitoring
- Detects pressure drops across filters and pumps, enabling predictive maintenance and reducing downtime.
- Energy and Utility Systems
- Applied in steam distribution, boiler control, and power generation processes where stable and accurate measurement is critical.
- Industry Coverage
- Oil & Gas: Wellhead monitoring, refining, and pipeline operations
- Chemical & Petrochemical: Reactor control, distillation, and safety systems
- Power Generation: Boiler efficiency, turbine monitoring, and feedwater systems
- Pharmaceutical & Food Processing: Hygienic process control with high accuracy and compliance
FAQ – 3051CG Transmitter
Q1: What is the 3051CG Transmitter used for?
The 3051CG Transmitter is designed for differential pressure measurement, commonly applied in flow, level, and pressure monitoring across industries such as oil & gas, chemical, power generation, and pharmaceuticals.
Q2: What makes the 3051CG different from other transmitters?
It features an innovative coplanar design, which simplifies installation, reduces leak points, and minimizes maintenance compared to traditional impulse line or remote seal systems.
Q3: What is the accuracy of the 3051CG Transmitter?
The device offers high accuracy (up to ±0.04% of span), ensuring reliable and repeatable measurements even in demanding environments.
Q4: What communication protocols are supported?
The 3051CG supports 4–20 mA with HART®, and selected models are available with FOUNDATION Fieldbus or Profibus PA for digital integration.
Q5: Can the 3051CG be used in hazardous environments?
Yes. The transmitter is available with intrinsically safe and explosion-proof certifications, making it suitable for hazardous area installations.
Q6: What industries typically use the 3051CG?
It is widely used in oil & gas, chemical processing, power generation, water treatment, and pharmaceutical manufacturing, wherever precise process control is critical.
Q7: How does the coplanar design benefit users?
The coplanar design allows direct mounting of primary elements (like orifice plates or manifolds), reducing installation complexity, improving reliability, and lowering lifecycle costs.
Q8: What is the long-term stability of the 3051CG?
The transmitter provides 0.1% of URL stability for up to 10 years, minimizing recalibration needs and ensuring dependable performance.
Q9: What pressure ranges are available?
The 3051CG is offered in multiple ranges (CG1–CG5), covering a wide spectrum of differential pressure applications.
Q10: How does the 3051CG support safety and compliance?
It is SIL2/3 certified for safety instrumented systems, ensuring compliance with rigorous safety standards in critical processes.
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