Dual-Protocol Intelligent Fusion, Forged with 316L Stainless Steel: The XINYI YW-140 Pressure Transmitter Defines a New

In an era where industrial automation is evolving towards full digitalization and networking, the multi-protocol compatibility and environmental endurance of field instruments have become key benchmarks for measuring their advancement. Xi'an Xinyi Instrument Technology Co., Ltd. officially introduces its strategic-level product—the XINYI YW-140 Piezoresistive Pressure Transmitter. Revolutionarily integrating 4-20mA analog signal, RS485 digital bus, and HART protocol into a single unit, and constructed with 316L stainless steel material, this product offers selectable accuracy of ±0.1%FS and an IP65 protection rating. It provides the ultimate high-reliability, high-flexibility, and easy-to-integrate pressure measurement solution for the digital upgrades in industries such as oil and gas, chemicals, power generation, and hydrology.

1. Revolutionary Triple-Output Communication Interface
   The core advantage of the XINYI YW-140 Pressure Sensor lies in its unprecedented communication flexibility. A single device simultaneously provides standard 4-20mA analog output, RS485 Modbus digital bus output, and HART hybrid protocol communication. This means users can seamlessly interface with everything from traditional DCS systems to modern PLCs, SCADA, and even Industrial Internet of Things (IIoT) platforms. It enables a smooth upgrade from mere "monitoring" to "intelligent diagnostics and remote management" without hardware replacement, significantly reducing system integration complexity and future expansion costs.

2. Industrial Body Forged with 316L Stainless Steel
   All wetted parts of the product are made of premium 316L stainless steel. Compared to common 304 stainless steel, 316L offers superior resistance to chloride corrosion and pitting, allowing it to withstand the long-term challenges of corrosive media or salt spray environments in industries like chemicals and marine hydrology. Coupled with an IP65 protection rating and an impressive 300% overload capacity, it ensures the device maintains long-term stable measurement performance even under extreme physical and chemical impacts in harsh industrial sites.

The exceptional performance of the XINYI YW-140 Pressure Transmitter is robustly supported by the following parameter system that combines precision with reliability:

• High Accuracy and Exceptional Stability: Accuracy is offered in multiple selectable grades of 0.1%FS, 0.3%FS, and 0.5%FS, meeting different levels of control requirements. Its long-term stability is as high as ≤0.2%FS/year, with very low zero drift, ensuring long-term data trustworthiness and significantly reducing maintenance calibration frequency.

• Stable Operation Across a Wide Temperature Range: The operating temperature range spans -20°C to 85°C, with a compensation temperature range of 0°C to 80°C. Combined with computer-automated testing and the wide-temperature compensation technology of laser resistance adjustment, it delivers accurate output even in environments with drastic temperature fluctuations.

• Rugged Industrial-Grade Design: Features an all-stainless steel housing, compact and robust. Standard 24VDC power supply is compatible with the vast majority of industrial power environments.

Thanks to its core characteristics of multi-protocol support, high reliability, and corrosion resistance, this HART Protocol Pressure Sensor is an ideal choice for the following industrial digitalization and demanding application scenarios:

• Oil & Gas and Chemical Industries: Reactor pressure monitoring, pipeline leak detection, corrosive media pressure measurement on offshore platforms, with data directly uploadable to safety management systems via RS485/HART.

• Power and Energy Management: Boiler feedwater pressure, thermal network pressure monitoring, supporting remote diagnostics and predictive maintenance.

• Hydrology, Water Conservancy, and Environmental Protection: Deep well pressure monitoring, wastewater treatment pumping station pressure control, river water level (pressure) measurement, adaptable to damp and corrosive environments.

• Smart Manufacturing and Process Industries: Pressure control in hygienic or corrosive processes like food & beverage and pharmaceuticals, seamlessly integrating into MES systems via digital buses.

Xi'an Xinyi Instrument Technology Co., Ltd. guarantees that every YW-140 Pressure Transmitter undergoes rigorous component aging screening and finished product testing to ensure delivered quality. We offer a two-year warranty and support in-depth OEM/ODM customization services. We can flexibly adjust range, output combinations, and interface forms according to specific customer needs, becoming your dedicated intelligent measurement partner.

At the intersection of Industry 4.0 and the Industrial Internet, choosing a measurement instrument means not only selecting its current measurement capabilities but also its ability to adapt to future technological evolution. The XINYI YW-140 Pressure Transmitter breaks down protocol barriers with its triple-output communication interface and defines reliability standards with the resilience of 316L stainless steel.

It acts like "intelligent data nodes" deployed across industrial sites, capable of integrating into existing infrastructure (4-20mA) while directly connecting to the digital nerve center (RS485/HART). Choosing the YW-140 means paving a high-reliability, future-proof data highway for your enterprise's digital transformation, driving intelligent decision-making and operational excellence with a solid data foundation.