Rosemount 3051 Pressure Transmitter & 644 Temperature Transmitter
Product Overview
The Rosemount 3051 Pressure Transmitter and 644 Temperature Transmitter are rugged, reliable instruments built for harsh industrial environments, providing accurate pressure and temperature data for process optimization. The 3051 offers stable differential and absolute pressure measurement with coplanar design, while the 644 ensures precise RTD and thermocouple readings in head-mounted configuration. With HART communication and advanced diagnostics, this duo supports predictive maintenance and safe operation in oil and gas, mining, and marine applications. Their robust enclosures and global certifications make them a dependable choice for challenging conditions.
Key Features
- Rugged Durability: IP66/67 enclosures for dust, water, and vibration resistance.
- High Stability: 3051: ±0.04% of span; 644: ±0.15°C for consistent data.
- HART Diagnostics: Real-time alerts for sensor health and process issues.
- Versatile Inputs: 3051 for pressure; 644 for multiple sensor types.
- Hazardous Area Certified: ATEX, IECEx, FM for explosive locations.
- SIL 2/3 Approved: For safety-critical systems.
- Compact Mounting: Head-mounted for easy retrofit.
- WirelessHART Option: Remote monitoring in hard-to-reach areas.
Technical Specifications
| Parameter |
Rosemount 3051 |
Rosemount 644 |
| Measurement Type |
Differential, Gauge, Absolute Pressure |
Temperature (RTD, Thermocouple, mV) |
| Range |
Up to 10,000 psi |
-200°C to +1600°C |
| Accuracy |
±0.04% of span |
±0.15°C (RTD) |
| Output Signal |
4-20 mA HART, FOUNDATION Fieldbus |
4-20 mA HART |
| Temperature Range |
-40°C to 85°C |
-40°C to 85°C |
| Enclosure Rating |
IP66/67 |
IP66/NEMA 4X |
| Certifications |
SIL 2/3, ATEX, IECEx |
SIL 2/3, ATEX, IECEx |
Applications
The Rosemount 3051 and 644 combination provides reliable monitoring in harsh environments:
- Oil and Gas: Pressure and temperature in offshore and mining operations.
- Mining: Robust measurement in abrasive and dusty conditions.
- Marine: Saltwater-resistant monitoring in ship systems.
- Chemical: Corrosive media handling in processing plants.
- Power: High-temperature monitoring in generators.
Frequently Asked Questions
How does the coplanar design benefit the 3051?
It reduces installation costs and errors in differential pressure measurement.
Are these devices wireless compatible?
Yes, both support WirelessHART for remote data in inaccessible areas.
What is the benefit of SIL certification?
It ensures safety in instrumented systems, reducing risk of failures.
Can the 644 handle thermocouples?
Yes, it supports Types B, E, J, K, N, R, S, T for versatile temperature measurement.
How do they withstand harsh conditions?
IP66/67 enclosures and materials resist corrosion, dust, and vibration.
Contact Us
Contact our team for inquiries about the Rosemount 3051 and 644, pricing, or to schedule a demo:
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