5 Golden Rules for Selecting Diffused Silicon Hirschmann Pressure Transmitters

In the field of industrial automation, the selection of the P-A1016 pressure transmitter directly affects system stability and measurement accuracy. As a professional manufacturer of diffused silicon Hirschmann sensors, Xi'an Shenghongchuang Instrument Co., Ltd. reveals the 5 golden rules for pressure sensor selection, helping you easily solve the calibration, installation, and application challenges of models such as PT-709 and Y-881.

I. Clarify the Measured Medium and Pressure Range

When selecting the P-A1016 pressure transmitter, the first consideration is the characteristics of the measured medium. Different media have different material requirements for sensors:

• Corrosive media: A 316L stainless steel diaphragm is required, such as the PT-309-16 model specially designed for the chemical industry
• High-temperature media: It is recommended to choose the FB-X customized model with a heat sink, with a maximum temperature resistance of 300℃
• Viscous media: The P-A1018 series with a flush diaphragm structure is recommended

The pressure range selection should follow the "1.5 times safety factor" principle. For example, if the maximum system pressure is 10MPa, then the PT-309-10 model with a range of 15MPa should be selected.

II. Accuracy Class and Output Signal Matching

The accuracy of diffused silicon Hirschmann sensors directly affects the performance of the control system:

The output signal selection needs to match the control system. The 4-20mA signal is suitable for long-distance transmission, while the 0-10V signal is more suitable for direct PLC acquisition. For applications requiring temperature monitoring, an integrated solution with the domestic TK50PT100 integrated industrial digital display temperature transmitter can be considered.

III. Process Connection and Installation Method

According to the GB/T1226-2010 standard, common connection methods include:

1. Threaded connection: G1/2", M20×1.5, etc., suitable for the PT-309 series
2. Flange connection: DN50 standard flange, used for vegabar17 large equipment
3. Sanitary clamp: 3A certified, specially used in the food and pharmaceutical industries

Please note during installation:

• Avoid installing near vibration sources, and install vibration damping devices when necessary
• When measuring liquids, keep the pressure guiding tube installed vertically downward
• Refer to the wiring specifications in the Y-881 manual

IV. Environmental Adaptability and Protection Rating

In harsh environments, special attention should be paid to:

• Explosion-proof requirements: Choose the explosion-proof P-A1016 with Ex d IIC T6 rating
• Protection rating: IP68 is suitable for underwater applications, while IP65 meets general industrial requirements
• Temperature compensation: Wide-temperature compensation from -40℃~85℃ ensures the stable operation of MBS3050

In special environments such as high-temperature workshops, it is recommended to use the high-temperature-resistant domestic TK50PT100 temperature transmitter. It adopts a 316L stainless steel housing and can withstand high-temperature environments up to 1300℃.

V. Certification Standards and After-Sales Service

Professional selection must verify:

• CE certification（EN 61236-2-1 standard）
• RoHS environmental certification
• Verification certificate from the National Institute of Metrology

Xi'an Shenghongchuang Instrument Co., Ltd. provides:

• 12-month quality warranty
• Free technical consultation（including PT-709 calibration services）
• FB-X series customized development

Professional Selection Ensures Stable System Operation

By mastering these 5 golden rules, you can make precise selections for diffused silicon Hirschmann pressure transmitters such as P-A1016 and PT-309. Whether it is the standard P-A1012 model or the special vegabar17 explosion-proof model, the correct selection solution can significantly improve system reliability.

If you need technical parameters for specific models or a detailed explanation of the working principle of MBS-MBS3050, please contact our team of technical engineers. We will provide you with professional selection recommendations and customized solutions.