In the industrial sector, accurate pressure measurement plays a critical role in ensuring stable production processes and product quality. A single-crystal silicon pressure transmitter with an accuracy of up to 0.075% has now been launched. Its exceptional performance is expected to reshape the industrial measurement landscape, bringing more efficient and accurate measurement experiences to various industries.
This single-crystal silicon pressure transmitter utilizes advanced single-crystal silicon sensing technology, which exploits the piezoresistive effect of single-crystal silicon to precisely convert pressure changes into electrical signals. Its high accuracy of 0.075% means it can provide extremely accurate data, significantly reducing errors during measurement, and providing a solid foundation for refined control of industrial production.
This single-crystal silicon pressure transmitter achieves this high accuracy of 0.075% thanks to its sophisticated technological principle. It utilizes the unique piezoresistive effect of semiconductor silicon. When pressure is applied to single-crystal silicon, the resistance of the silicon undergoes a precise and measurable change, which is linearly proportional to the pressure. A carefully designed Wheatstone bridge circuit converts resistance changes into electrical output signals. Combined with a powerful 24-bit ADC (analog-to-digital converter), this transmitter accurately measures and converts tiny electrical signals, providing highly precise raw data for subsequent pressure data processing. Advanced micromachining techniques are employed in the manufacturing process to ensure the dimensional accuracy and performance consistency of the single-crystal silicon sensor. Each sensor undergoes a rigorous calibration and commissioning process to further eliminate potential errors, ensuring stable and highly accurate measurement performance across the entire transmitter range.
In complex and ever-changing industrial environments, a superior pressure transmitter must possess excellent environmental adaptability. This single-crystal silicon pressure transmitter features a wide operating temperature range, capable of operating in extreme temperatures ranging from -40°C to 85°C. Whether operating in the frigid polar regions or the scorching deserts of industrial sites, its measurement accuracy remains unaffected by temperature fluctuations. It can withstand high humidity environments, preventing internal circuit failure or performance degradation caused by moisture intrusion. The sensor is also highly adaptable to power supply fluctuations, operating stably within an input range of 10-36V DC, with a negligible power supply effect of only ±0.001%/10V. It also performs well with static pressure fluctuations, minimizing the effect. For example, with a static pressure change of 10MPa, the error is only ±0.05% U, ensuring measurement accuracy under various pressure conditions.
