Rosemount 1151AP Pressure Transmitter
2.Range ratio up to 50:1 supports 4-20mA and 1-5V HART
3.Gauge pressure/absolute pressure up to 4000psig/a
4.Wetted material: 316L SST, alloy C276
5.Basic diagnostic function certification: NSF, NACE
6.Lightweight and compact design
Rosemount 1151AP Pressure Transmitter - Professional Absolute Pressure Measurement Solution
The Rosemount 1151AP Pressure Transmitter delivers exceptional accuracy and stability for vacuum applications. This seminal pressure measurement device measures pressure relative to a perfect vacuum rather than atmospheric pressure. Using proven variable capacitance sensor technology, it provides unmatched performance in critical applications. You'll get precise readings unaffected by atmospheric fluctuations or altitude changes. Your vacuum processes will benefit from this industry-standard solution.
| Parameter | Specification |
|---|---|
| Accuracy | ±0.2% to ±0.25% of calibrated span |
| Stability | ±0.2% of URL for 6 months |
| Pressure Range | Up to 4000 psig/a (absolute pressure) |
| Output Signal | 4-20 mA DC, 1-5V DC with HART |
| Range Ratio | Up to 50:1 turndown capability |
| Wetted Materials | 316L SST, Hastelloy C-276, Monel, Tantalum |
| Sensor Technology | Variable capacitance delta-cell |
| Overpressure Protection | Built-in safety mechanism |
| Certifications | FM, CSA, CENELEC, NSF, NACE |
| Housing | Explosion-proof for hazardous locations |
| Warranty | Up to 5 years coverage |
Product Features
High Accuracy: The 1151AP boasts a reference accuracy of 0.075%, ensuring precise pressure measurements that are crucial for process control and optimization.
Two-Year Stability: With a two-year stability of 0.1%, this transmitter maintains its accuracy over time, reducing the need for frequent recalibrations and minimizing maintenance costs.
Rangeability: The 1151AP's 50:1 rangeability allows for flexibility in measuring a wide range of pressures, reducing the need for multiple transmitters.
Modular Design: The transmitter's modular design allows for interchangeable mechanical and electrical components, providing backward and forward compatibility for easy upgrades and replacements.
Smart Electronics: The Smart Electronics option offers digital communication capabilities, enabling remote configuration, monitoring, and diagnostics, enhancing the overall efficiency of the system.
Packaging and Transportation
Our Siemens Pressure Transmitters 7MF4433/4033 are packaged with utmost care to ensure they reach you in pristine condition. Each unit is securely packed with protective materials to withstand the rigors of transportation. We utilize reliable logistics partners to ensure safe and timely delivery to your doorstep, anywhere in the world.

Get Your Pressure Measurement Solution Today
The Rosemount 1151AP Pressure Transmitter provides the accuracy and reliability your vacuum processes demand. Its proven technology and robust design make it the smart choice for critical applications.
Ready to improve your pressure measurement accuracy? Contact our technical team at info@winlinklab.com for detailed specifications and pricing. We'll help you select the right configuration for your specific application needs.
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