Introduction
CtrlTechDaily is pleased to share insights on the Bently Nevada 165855-15-CN Cylinder Pressure Transducer. This device measures cyclic absolute pressure changes inside reciprocating compressor cylinders. It forms a critical part of a Reciprocating Compressor Condition Monitoring and Asset Management System when used with the 3500/77M Cylinder Pressure Monitor and System 1 Plant Asset Management Software. This article highlights the transducer's robust features, key specifications, and real-world applications.
Key Information
The 165855-15-CN features a patent-pending design that ensures accurate pressure readings even after continuous cycling over large pressure gradients. It withstands over-pressure situations caused by application upsets without diaphragm degradation. The transducer meets NEMA 4X and IP67 conditions for moisture ingression, ensuring reliability in harsh chemical environments. Its wetted surface is typically installed into an isolation valve or pressure indicator port on the compressor, with a special adapter like the 166393 providing a seal.
Details and Analysis
The transducer offers a measurement range of 0 to 172 bar (0 to 2,500 psia) for this specific model. It provides a full scale output of 10 ± 0.3 Vdc and a zero output of 0.5 ± 0.1 Vdc. The power supply requirement is 18 to 30 Vdc with a maximum current of less than 15 mA. The frequency response spans from 0 Hz to 5500 Hz ± 1 dB, making it suitable for dynamic pressure monitoring. The compensated temperature range is -40 to 85° C for the electronics housing and -40 to 150° C for the sensor head.
Applications and Impact
This transducer is ideal for reciprocating compressor condition monitoring in industries such as oil and gas, petrochemical, and power generation. It measures cyclic absolute pressure changes to detect valve leaks, ring wear, and other performance issues. The robust design ensures high reliability in environments with hydrogen sulfide, sulfuric acid, butane, fuel oil, and natural gas. By providing accurate pressure data, it helps optimize compressor maintenance and reduce unplanned downtime.
Conclusion
The Bently Nevada 165855-15-CN Cylinder Pressure Transducer delivers reliable performance for critical compressor monitoring applications. Its durable construction and precise measurement capabilities make it a valuable asset for plant asset management. Contact CtrlTechDaily for pricing and availability. We offer fast shipping and expert technical support to meet your industrial automation needs.
Frequently Asked Questions
What makes the 165855-15-CN suitable for compressor monitoring?
The transducer's patent-pending design maintains accuracy after repeated pressure cycling. It withstands over-pressure up to 1.5X full scale and burst pressure up to 3X full scale (2X FS on 689 bar/10,000 psia units). Its IP67-rated body and NEMA 4X compliance ensure reliable operation in moist or corrosive environments.
What are the key specifications of the 165855-15-CN?
Key specs include a measurement range of 0 to 172 bar (0 to 2,500 psia), full scale output of 10 ± 0.3 Vdc, zero output of 0.5 ± 0.1 Vdc, power supply of 18 to 30 Vdc, max current less than 15 mA, frequency response 0 Hz to 5500 Hz ± 1 dB, and compensated temperature range of -40 to 85° C for electronics and -40 to 150° C for sensor head. Weight is 250 g (0.55 lbm) for the transducer and 150 g (0.33 lbm) for the sensor head.
How can I get more information about the 165855-15-CN?
For detailed technical inquiries, pricing, or to place an order, contact CtrlTechDaily's sales and support team. We provide pre-sales consultation, technical documentation, and after-sales service to ensure you select the right solution for your application.
