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Xi'an Shenghongchuang Instrument Co., Ltd.

Contact: Mr. Zhang

Mobile: 15529283736
Email: shc-sensor@qq.com

Address: Fortune Building, Sanqiao Street, Xixian New Area, Xi'an, Shaanxi Province

How Does the Diffused Silicon Hysteresis Pressure Sensor Work: How Does the XMLK-C21 Model Achieve Precise Measurement?
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The XMLK-C21 diffused silicon Huasman pressure sensor achieves precise pressure detection in the field of industrial measurement by virtue of its unique working principle. This article provides an in-depth analysis of its core technologies and application scenarios, helping operators better understand the measurement mechanisms and installation key points of series products such as JP-40B and PT124B-210.


I. Working Principle of the Diffused Silicon Huasman Pressure Sensor


The diffused silicon Huasman pressure sensor adopts advanced MEMS technology to realize pressure measurement through the piezoresistive effect on the silicon chip. When external pressure acts on the sensor, the silicon diaphragm undergoes slight deformation, causing the resistance values of the embedded Wheatstone bridge to change, thereby outputting an electrical signal proportional to the pressure. The XMLK-C21 model particularly adopts temperature compensation algorithms and laser trimming technology to ensure high accuracy of ±0.1%FS within the range of -40℃~125℃, a feature that enables it to perform excellently in harsh environments such as petrochemicals.


II. Comparative Analysis of Key Performance Parameters


ModelMeasuring RangeOverall AccuracyOutput SignalProtection Rating
XMLK-C210-100MPa±0.1%FS4-20mA/RS485IP68
JP-40B0-60MPa±0.25%FS4-20mAIP65
PT124B-2100-10MPa±0.2%FS1-5VIP67

Through comparison, it can be seen that XMLK-C21 has obvious advantages in upper measuring range limit and protection grade, and is especially suitable for working conditions requiring long-term installation at a depth of 3 meters underwater. Meanwhile, domestic LS-10 liquid level transmitter fire water tank pool liquid level sensor adopts 316L stainless steel material, forming a complementary application in the field of liquid measurement.


III. Typical Application Scenarios and Installation Key Points


1. Petrochemical field: used for reactor pressure monitoring, attention should be paid to selecting models with corrosion-resistant Hastelloy diaphragms
2. Water treatment system: used together with the LS-10 liquid level sensor, it can build a complete fluid monitoring network
3. Energy and power: pressure monitoring of boiler pipelines requires the sensor to have a 150% overload capacity
4. During installation, ensure that the sealing surface is clean, PTFE tape should be used for threaded connections, and the torque should be controlled within the range of 15-20N·m


IV. Selection Guide and Common Misunderstandings


When purchasing, focus on three dimensions:
• Medium characteristics: corrosive media require special diaphragm materials
• Ambient temperature: above 85℃, a heat sink or pressure guide tube needs to be configured
• Output requirements: for long-distance transmission, priority should be given to the 4-20mA signal
Common misunderstandings include: ignoring the zero-point drift parameter, confusing gauge pressure and absolute pressure models, and failing to consider diaphragm damage caused by medium crystallization. Xi'an Shenghongchuang Instrument Co., Ltd. provides free technical consultation and can help users match the most suitable customized solutions such as EJYB-GP-13.


V. Why Choose Our Solutions


As a high-tech enterprise in Xixian New Area, we have:
• 18 years of professional sensor R&D experience, with dual certification of ISO9001/TS16949
• The full range of products has passed international certifications such as CE and RoHS
• Support rapid customization of special models such as SMP131-TLD
• Provide 7×24-hour technical response services
If you need to obtain detailed technical manuals for products such as PH-PH101, please feel free to contact our engineering team for professional support at any time.

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