In the field of industrial automation, accurate measurement and stable monitoring of parameters such as pressure, differential pressure, and flow are crucial to ensuring the smooth operation of production processes. The PM400 series intelligent pressure transmitter launched by Shanghai Zanke Automation Co., Ltd., with its all-digital circuit design and rich functional characteristics, has become an ideal choice for coping with complex industrial working conditions.

Core Design and Functional Advantages

The PM400 series intelligent pressure transmitter adopts an all-digital circuit design, which not only endows the device with ultra-high measurement accuracy but also ensures the stability of zero point and linearity during long-term use. Equipped with a liquid crystal display function, it allows direct adjustment of zero point and measuring range through buttons, and supports custom user menus, greatly improving the flexibility of operation.

In addition, this series of products has excellent anti-interference ability, which can effectively resist lightning strikes and radio frequency interference, ensuring stable operation in complex electromagnetic environments. It has a wide range of applications and can be used to measure various parameters such as differential pressure, pressure, flow, liquid level, and density, meeting the needs of users under different working conditions.

Applicable Application Scenarios

The PM400 series intelligent pressure transmitter has a wide range of application fields, mainly including:

• Chemical and petroleum industries: It can adapt to corrosive media and complex pressure environments in chemical production, providing accurate pressure data for the production process.

• Process engineering: In the process control of various continuous production, it can stably monitor relevant parameters, helping to optimize the production process.

• Hazardous areas: It has corresponding safety performance and can work reliably in industrial environments with potential dangers.

• Machinery manufacturing: It provides accurate pressure measurement for hydraulic and pneumatic systems of mechanical processing equipment, ensuring the normal operation of the equipment.

Detailed Technical Parameters

• Measurement range: 0...100KPa...10MPa, supporting 150%FS overload pressure.

• Temperature range: Medium temperature -20...85°C; Ambient temperature -20...80°C; Storage temperature -20...75°C.

• Power supply voltage: DC16...30V.

• Accuracy: ≤±0.1%FS, covering nonlinearity, hysteresis, zero offset, and full-scale point deviation (in accordance with IEC61298-2 standard).

• Shock and vibration resistance: Impact resistance up to 500g (in accordance with IEC60068-2-27); Vibration resistance up to 20g (in accordance with IEC60068-2-6).

• Protection class: IP68, capable of coping with harsh dust and water immersion environments.

• Wetted parts material: 316L stainless steel, Hastelloy C, tantalum, and the appropriate material can be selected according to the medium characteristics.

• Meter housing: Cast aluminum material, which is sturdy and durable.

• Safety performance: Equipped with short-circuit protection and reverse polarity protection functions; Good insulation performance, able to withstand DC500V voltage.

• Electrical connection: Supporting specifications such as G1/2, M20*1.5, NPT1/2, etc.

• Sealing material: Fluororubber, ensuring good sealing performance.

Flexible Selection Guide

The PM400 series intelligent pressure transmitter provides a variety of selection options, which can be combined according to actual needs:

• Wetted parts material: 316L (S), Hastelloy C (C), tantalum (T).

• Range range: Various specifications such as -6KPa...6KPa (006), -10KPa...10KPa (010), -35KPa...3KPa (035), etc.

• Connection method: Including NPT1/4 internal thread (N14K), NPT1/4 external thread (N14M), NPT1/2 internal thread (N12K), etc.

• Signal output: 4...20mA (two-wire system, A), 4...20mA+HRAT (three-wire system, AH).

• Display function: No display (0), with digital liquid crystal display (1).

• Electrical interface: Electrical gland (PG13.5, G), M20*1.5 internal thread (M20K), etc.

• Explosion-proof performance: Non-explosion-proof (E), explosion-proof (ExdllCT4, S).

As a wholesale manufacturer of the PM400 series intelligent pressure transmitters, Shanghai Zanke Automation Co., Ltd. can also customize instrument specifications according to users' special requirements and on-site working conditions, and provide installation and commissioning services. In addition to pressure transmitters, the company's products also include various instruments such as flow switches, electromagnetic flowmeters, and turbine flowmeters, which are widely used in many fields such as petrochemical, natural gas, electric power, metallurgy, food and pharmaceutical manufacturing, providing comprehensive measurement support for all links of industrial production.

The PM400 series intelligent pressure transmitter provides a reliable intelligent solution for the industrial measurement field with its high accuracy, high stability, and strong adaptability.