Technical Advantages and Industry Applications of Diffused Silicon Pressure Transmitters

As the core component of the YM-1KGR series pressure transmitter，the diffused silicon sensor adopts the semiconductor strain gauge principle，and realizes pressure measurement through resistance changes generated by the deformation of the silicon diaphragm。Compared with traditional piezoresistive sensors，its sensitivity is improved by more than 30%，and temperature drift is controlled within ±0.02%FS/℃，making it especially suitable for liquid/gas pressure monitoring in petrochemical，electric power and energy fields。The YSZK-01G-C model from Xi'an Shenghongchuang Instrument Co., Ltd. has also passed IP67 protection certification，and can operate stably in extreme environments from -40℃~125℃。

Horizontal Comparison of Mainstream Model Performance

Standard Calibration Procedures

Taking the YMP-YMP489 pressure transmitter as an example，calibration requires the use of a standard pressure source with an accuracy 3 times higher than that of the device under test。First connect the 24VDC power supply and HART communicator，then through the Zero Trim and Span Trim functions，apply 0% and 100% span pressure respectively，and adjust the output signal to the corresponding 4-20mA values。Note that the calibration ambient temperature should be maintained at 20±5℃，and vibration interference should be avoided。When zero drift occurs in the YM-1XH pressure transmitter，it can be automatically corrected through the built-in temperature compensation algorithm。

Typical Troubleshooting Solutions

If the YM-115 pressure transmitter shows output signal fluctuations，first check whether the process connection is blocked，and then measure whether the power supply voltage is stable。For the YD-322 diffused silicon sensor，diaphragm damage will cause linearity to exceed tolerance，in which case the sensor module needs to be replaced。In pharmaceutical industry applications，it is recommended to conduct a sealing performance test every 6 months to prevent medium ingress from affecting the internal circuit of the MBS-G3131 transmitter。

Synergistic Application of Weighing Technology and Pressure Measurement

In industrial weighing scenarios such as batching scales and belt scales，China-made Load Cell LDCZL-MBW Bellows Module Load Cell for Hopper Scales and Belt Scales is often used together with YM series pressure transmitters。This load cell is made of alloy steel，with a measuring range of 100-700kg and comprehensive accuracy up to 0.05%。Its bellows structure design can effectively eliminate lateral force interference，and together with the pressure transmitter，forms a complete material metering system。

Selection Decision Tree

1. Medium type：select the tantalum diaphragm YM-1QQ model for corrosive media
2. Pressure range：YMP489 is preferred for micro-pressure measurement（＜10kPa）
3. Output requirements：smart instruments require the DMK331 equipped with HART protocol
4. Environmental rating：select the intrinsically safe YM-130 transmitter for explosion-proof applications

Why Choose Shenghongchuang Instruments

As a high-tech enterprise in Xixian New Area，we have 20 years of sensor R&D experience，and all products have passed CE and RoHS certifications。We provide free technical consultation for the YM-1KGR pressure transmitter and support on-site calibration services。For special operating conditions，the YD-322 transmitter with 316L stainless steel wetted parts can be customized to meet the hygiene requirements of the food and pharmaceutical industries。