PCM50 Current Output Core: Compact 4–20mA Pressure Sensor Solution for Industrial Automation

In modern industrial automation and precision measurement systems, pressure sensors must deliver high reliability, easy integration, and excellent cost performance. As system architectures become more compact and intelligent, core sensing components are required to provide stable output, strong environmental adaptability, and simplified electrical interfacing.

The PCM50 Current Output Core is designed to meet these demands. With its compact mechanical structure, integrated signal conditioning circuit, and stable 4–20mA output, it serves as an ideal pressure detection solution for a wide range of industrial applications.

Advanced Design for Industrial Performance

Robust Structure & Media Compatibility

The PCM50 adopts a 316L stainless steel isolated diaphragm combined with an O-ring sealing structure. This configuration ensures:

• Excellent corrosion resistance

• Strong shock and vibration resistance

• Compatibility with a broad range of industrial media

The stainless steel isolation structure enhances durability and ensures long-term operational stability in demanding environments.

Compact Size & Easy Integration

Thanks to its small form factor and lightweight design, the PCM50 can be easily integrated into:

• Pressure transmitters

• Level transmitters

• Space-constrained automation equipment

Its compact configuration simplifies mechanical installation and system layout optimization.

Integrated Signal Conditioning & Digital Compensation

The PCM50 features a built-in dedicated integrated circuit that performs high-precision conversion from millivolt signals to standard 4–20mA current output. This design:

• Eliminates the need for external signal conversion modules

• Enhances measurement stability

• Improves overall system accuracy

• Reduces integration complexity

Digital compensation technology further optimizes performance consistency across varying conditions.

Low Thermal Influence & Fast Dynamic Response

Temperature stability is a critical factor in industrial measurement. The PCM50 provides:

• Minimal temperature influence on 4–20mA output

• Power-on response time ≤ 100 ms

• Reliable performance in dynamic pressure monitoring scenarios

These features ensure rapid and accurate feedback for pressure fluctuations in real-time applications.

Application Scope

Core Component for Transmitters

With its high precision and adaptability, the PCM50 current output core serves as a key component in:

• Pressure transmitters

• Level transmitters

  
  

  

  
  

Its versatile design allows it to be widely deployed across various industries requiring stable and accurate pressure detection.

Technical Specifications

Performance That Meets Industrial Standards

The PCM50 delivers reliable performance across multiple critical parameters:

Wide Pressure Range

• Measuring ranges available from 0–35 kPa up to 6 MPa

• Supports:

• Gauge pressure

• Absolute pressure

• Sealed pressure

High Accuracy & Stability

• Accuracy up to 0.5% FS

• Temperature drift: ±1.5% FS (−20°C to 85°C)

• Power-on response time ≤ 100 ms

These characteristics effectively reduce measurement error and support dynamic pressure feedback.

Environmental & Media Adaptability

• Operating temperature: −20°C to 85°C

• Media & storage temperature: −40°C to 85°C

• Compatible with all media suitable for 316L stainless steel

Electrical Safety & Overload Protection

• Insulation resistance ≥ 100 MΩ @ 250 VDC

• Overpressure capability: 200% FS

• Burst pressure: 300% FS

These parameters ensure electrical safety and structural reliability under demanding conditions.

Core Competitive Advantages

1. High Integration & Strong Compatibility

The onboard signal conditioning circuit outputs a direct 4–20mA standard current signal, enabling:

• Simplified system architecture

• Elimination of external conversion modules

• Fast integration with mainstream control equipment

2. Strong Environmental Resistance & Long-Term Durability

The core sensing element utilizes diffused silicon technology combined with a stainless steel isolation structure. This configuration provides:

• Wide operating temperature range

• High overload capacity

• Long-term measurement stability in harsh industrial environments

3. Flexible Options & Customization

The PCM50 is available in multiple pressure ranges and pressure types. Custom specifications can be provided to meet diverse application requirements.

Contact Information

For inquiries regarding accuracy, model selection, or installation of the PCM50 current output core, please contact us. Our professional engineers are available to provide one-to-one technical support and tailored solutions.

Website: www.wtsensor.com
Address: No.5 Wenying Road, Binjiang Development Zone, Nanjing 211161, China
E-mail: [email protected]