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Xi'an Shenghongchuang Instrument Co., Ltd.

Contact: Mr. Zhang

Mobile: 15529283736
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Address: Fortune Building, Sanqiao Street, Xixian New Area, Xi'an, Shaanxi Province

NS-P-I7 Pressure Transmitter Diffused Silicon Sensor Field Test: How Are the Accuracy and Stability?
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In the field of industrial automation, the performance of the diffused silicon sensor in the NS-P-I7 pressure transmitter has attracted significant attention. As one of the core products of Xi'an Shenghongchuang Instrument Co., Ltd., its accuracy and stability directly affect the operating efficiency of flow control equipment. This article will focus on the measured performance of diffused silicon liquid and gas pressure sensors, and provide you with a detailed analysis of the key performance indicators of models such as WMB-WMB2780 and DYPT-DYPT212, helping information researchers make informed choices.


Overview of Diffused Silicon Sensor Technology


Diffused silicon pressure sensors use semiconductor silicon materials, and form sensitive resistors through ion implantation and high-temperature diffusion processes, offering advantages such as high sensitivity, good stability, and fast response speed. The NS-P-I7 pressure transmitter produced by Xi'an Shenghongchuang Instrument Co., Ltd. uses imported diffused silicon chips combined with advanced temperature compensation technology, ensuring accuracy of up to ±0.1%FS within a wide temperature range of -40℃~85℃. Compared with traditional strain gauge sensors, diffused silicon technology is more suitable for measuring slight pressure changes in liquids and gases, and is particularly applicable to flow control equipment in industries such as petrochemicals and power energy.


Measured Analysis of Key Performance of NS-P-I7


We conducted a continuous three-month test on the NS-P-I7 pressure transmitter. Within the 0-10MPa range, its repeatability error was ≤0.05%FS, hysteresis error was ≤0.03%FS, fully meeting the requirements of GB/T 34036-2017 "General Test Methods for Industrial Automation Instruments". It is particularly worth noting that under simulated industrial site pressure pulsation conditions (fluctuation amplitude ±5%FS, frequency 0.5Hz), the transmitter was still able to maintain a stable output signal, proving its excellent dynamic response capability. Compared with similar products such as WMB-WMB2780 and DYPT-DYPT212, the NS-P-I7 performs better in long-term stability, with half-year drift controlled within 0.2%.


Comparison of Mainstream Models in the Market


ModelAccuracyTemperature RangeMedia CompatibilityReference Price
NS-P-I7±0.1%FS-40~85℃Oil/Water/Gas¥1,280
WMB-WMB2780±0.15%FS-20~70℃Water/Gas¥980
DYPT-DYPT212±0.2%FS-10~60℃Gas¥850

Selection Guide and Common Misunderstandings


When selecting a diffused silicon pressure transmitter, information researchers often fall into the misunderstanding of simply comparing prices. In fact, although models such as PT-R and CYYB-110 have lower initial procurement costs, their calibration and maintenance costs during long-term use may be higher. We recommend a comprehensive evaluation based on the following dimensions:

  • Media compatibility: HB-35C is suitable for corrosive media, while JH-A is specifically designed for high-viscosity fluids
  • Environmental adaptability: the PT-CS series has passed IP67 protection certification and is suitable for outdoor installation
  • Output signal type: SRP-580J provides 4-20mA+HART protocol, facilitating system integration
  • Certification requirements: in the food industry, priority should be given to MBS-MBS3100 certified by FDA


Why Choose Xi'an Shenghongchuang


As a national high-tech enterprise, we have a complete sensor industry chain and a CNAS-certified laboratory. All pressure transmitters undergo 72-hour aging tests and three-point temperature calibration before leaving the factory, and we provide a three-year warranty service. In response to the common zero drift issue of competing products such as DYPT-DYPT212, we have developed a patented compensation algorithm (Patent No. ZL202110XXXXXX.X). At present, more than 2000 NS-P-I7 series units have been successfully applied in key projects such as PetroChina and Shaangu Power, with customer feedback indicating a failure rate of <0.5%. If you need a selection manual for specific models or technical consultation, please visit the company's official website or call 029-XXXXXXX.

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