Introduction

In the field of flow control equipment, the CYH-300 pressure transmitter has become the first choice of technical evaluators thanks to its outstanding performance. As a flagship product of Xi'an Shenghongchuang Instrument Co., Ltd., this transmitter adopts advanced diffused silicon technology to accurately measure liquid and gas pressure. This article focuses on analyzing the three core advantages of the CYH-300 pressure transmitter, helping you understand why it stands out among similar products.

1. High-Precision Measurement and Stability

The CYH-300 pressure transmitter adopts advanced diffused silicon technology, and its measurement accuracy reaches ±0.1%FS, far exceeding the industry average. The diffused silicon sensor features excellent linearity and repeatability, ensuring long-term stable measurement results. When selecting a pressure transmitter, technical evaluators pay the most attention to the measurement accuracy and stability of the device, because this is directly related to the reliability and safety of the entire system.

In practical applications, the CYH-300 demonstrates extremely low temperature drift characteristics: the zero-point temperature drift is only 0.02%FS/℃ (typical value), and the sensitivity temperature drift is also controlled within 0.02%FS/℃. This means that even when operating within a wide temperature range of -20℃~85℃, the transmitter can still maintain stable measurement performance. Compared with similar products, the long-term stability of the CYH-300 is particularly outstanding, with a typical value of ±0.1%FS/year and a maximum not exceeding ±0.2%FS/year.

• Overall accuracy: ±0.1%FS (linearity, repeatability, hysteresis)
• Temperature impact: minimal accuracy loss across the full temperature range
• Long-term stability: annual drift controlled within 0.2%

2. Wide Application Range and Media Compatibility

The CYH-300 pressure transmitter is suitable for a variety of industrial scenarios, including petrochemical, electric power and energy, water treatment, and other industries. Its measurement range covers 0~500Pa to 700KPa, and the negative pressure range can reach 0~-100KPa, meeting the needs of the vast majority of industrial applications. What technical evaluators particularly value is its adaptability to different media, enabling accurate measurement of non-corrosive, dust-free dry gas pressure.

In terms of material selection, this transmitter offers two housing options: hard aluminum alloy and 304 stainless steel. The hard aluminum alloy surface is treated with spray coating and has good corrosion resistance; the 304 stainless steel version is more suitable for harsh industrial environments. It is worth mentioning that its protection rating reaches IP65 or IP67, and its explosion-proof marking is Exia II CT5, allowing safe use in flammable and explosive environments.

For applications requiring micro differential pressure measurement, domestic differential pressure transmitter FD80C air pressure sensor gas micro differential pressure transmitter is also a very good supplementary option. This product also adopts diffused silicon technology, but its structure and parameters have been specially optimized for air pressure measurement.

3. Intelligent Signal Output and Easy Integration

The CYH-300 provides a variety of standard signal output options, including 4~20mA, 1~5V DC, 0~5V DC, etc., and can be seamlessly connected to various control systems. Its load resistance capability reaches ≤(U-12)/0.02 Ω, ensuring signal stability during long-distance transmission. Technical evaluators particularly appreciate its fast response characteristic (≤2ms), which is crucial for pressure systems requiring real-time monitoring.

This transmitter also features multiple intelligent protection functions:

• Reverse polarity protection: prevents device damage caused by wiring errors
• Current limiting protection: avoids failures caused by overcurrent
• Lightning protection design: improves reliability for outdoor use
• Radio frequency interference protection: ensures signal purity in industrial environments

In terms of installation, the CYH-300 adopts a standardized design, with a compact structure and an attractive appearance. It comes standard with a Φ8 nozzle and M10x1 mounting thread, and weighs only about 0.35Kg, greatly simplifying on-site installation work. The technical team can also customize product performance according to the specific usage requirements of customers, providing flexible solutions for special application scenarios.

Summary and Action Recommendations

With its high-precision measurement, wide applicability, and intelligent design, the CYH-300 pressure transmitter has won unanimous recommendations from technical evaluators in the field of flow control. Whether compared with the features of the PTB-PTB502 pressure transmitter or in the price evaluation of the FD-D pressure transmitter, the CYH-300 demonstrates clear competitive advantages.

As a professional high-tech enterprise, Xi'an Shenghongchuang Instrument Co., Ltd. not only provides high-quality CYH-300 products, but can also customize solutions according to your specific needs. If you need to learn more about the technical details or quotation information of diffused silicon liquid and gas pressure sensors, please contact our technical team immediately for professional consultation.