Technical Principles and Industry Applications of Diffused Silicon Sensors

In industrial process control systems, the diffused silicon sensing technology used in the CS-PT1200V pressure transmitter is highly favored for its unique piezoresistive effect. When a silicon crystal is subjected to pressure, its lattice structure deforms, causing changes in carrier mobility and thereby resulting in precise changes in resistance. This physical property enables models such as KYB-Z04 and BAR-GP1 to achieve high-accuracy output of 0.1%FS when measuring gas or liquid media. Compared with the drawback of traditional ceramic capacitive technology being easily affected by temperature, diffused silicon sensors, through built-in temperature compensation circuits, can still maintain stability of ±0.5% within the range of -40℃~125℃, which is exactly the key factor for the widespread application of the EDYBT-49 pressure transmitter in the petrochemical field.

Comparative Analysis of Core Performance Parameters

It can be seen from the comparative data that the diffused silicon technology adopted by the CEMPX215-GATCA1 pressure transmitter offers a wider measurement range coverage capability, making it particularly suitable for the high-pressure monitoring requirements of the HQ-HQ1002 model in hydraulic systems. In terms of long-term stability, the annual drift of diffused silicon sensors is less than 0.1%FS, significantly better than the 0.3%FS of metal strain gauge technology. In response to the medium compatibility concerns of BSCYG9010-1.0 pressure transmitter users, our sensors use 316L stainless steel isolation diaphragms, which can withstand the vast majority of corrosive liquids and gases.

Analysis of Key Selection Decision Indicators

When selecting pressure transmitters such as KYB18G07M1P4C3-I, contract executors need to focus on evaluating three dimensions: first, medium characteristics, for which the BAR-GP1 model with a flushing ring structure should be selected for high-viscosity liquids; second, environmental conditions, where in applications with strong vibration, diffused silicon sensors are more reliable than ceramic capacitive technology due to their solid-state structure; finally, certification requirements, as the CS-PT1200V has passed SIL2 functional safety certification and ATEX explosion-proof certification, meeting the strict safety standards of the chemical industry. We recommend that when conducting on-site verification of the ZWP-L61-K pressure transmitter, a standard instrument with 3 times higher accuracy be used to ensure that the measurement results comply with the GB/T 17614.3-2015 specification.

Typical Fault Handling and Preventive Measures

• Zero drift issue: If the EDYBT-49 pressure transmitter shows abnormal zero point behavior, first check whether the supply voltage is stable within the range of 24VDC±10%
• Output signal fluctuation: The CFUEIIIERC1 model should use shielded cables in strong electromagnetic environments, and the grounding resistance must be less than 4Ω
• Diaphragm damage prevention: Mechanical overload must be avoided during installation of the CEMPX215-GATCA1, and impact pressure should not exceed 150% of the measurement range
• Temperature compensation failure: When the BSCYG9010-1.0 transmitter is used in environments below -20℃, it is recommended to select a heated enclosure

Why Choose Shenghongchuang Instrumentation

As a national high-tech enterprise in Xixian New Area, we provide a 5-year ultra-long warranty for pressure transmitters such as HQ-HQ1002, and all products undergo 72-hour aging tests before leaving the factory. For the special requirements of the KYB-Z04 model, customized split-type structural design solutions can be provided. Our professional technical team can assist with the entire service process from selection to installation and commissioning, ensuring that every CS-PT1200V pressure transmitter project achieves the expected performance indicators. Consult now to obtain the complete diffused silicon sensor technical white paper and industry application case collection.