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Products Description
Product Definition
The SMP6384-4A Soil Pressure Transmitter is a high-reliability pressure measurement instrument designed by Nexisense for large tunnel excavation equipment, coal mining equipment, and TBM equipment. It provides accurate pressure data in complex working environments, ensuring the safety and efficiency of equipment operation.
Working Principle
The SMP6384-4A Soil Pressure Transmitter uses the principle of a silicon pressure sensor, converting pressure signals into electrical signals through its sensing chip. Its internal structure is designed to effectively resist external electromagnetic interference and maintain stable output signals even during power fluctuations.
Structural Analysis
The SMP6384-4A consists of the following components:
Housing: Made of high-strength stainless steel to ensure durability in harsh environments.
Sensor Part: Utilizes 316L stainless steel for excellent corrosion resistance.
Sealing Ring: Made of fluororubber to enhance the sealing performance and prevent medium leakage.
Cable: φ7.5mm polyethylene special cable to ensure stable signal transmission.
Measurement Method
The SMP6384-4A Soil Pressure Transmitter employs a current output method, with an output signal ranging from 4mA to 20mA, suitable for two-wire systems. Its measurement range spans from 0MPa to 50MPa, accommodating various pressure measurement needs.
Technical Parameters
| Parameter | Specification |
|---|---|
| Measurement Range | 0MPa~0.6MPa to 50MPa |
| Overload Capacity | 2 times full scale pressure or 110MPa |
| Pressure Type | Gauge Pressure, Sealed Gauge Pressure |
| Output Type | Current Type |
| Power Supply | 9~30VDC |
| Output Signal | 4mA～20mADC (Two-wire system) |
| Load Resistance | ≤(U-9)/0.02Ω |
| Insulation Resistance | 100MΩ, 100VDC |
| Protection Level | IP67 |
| Operating Temperature | -30°C to +80°C |
| Storage Temperature | -40°C to 125°C |
| Accuracy | ±0.5%FS |
| Zero Temperature Coefficient | 0.03%FS/°C (≤100kPa) |
| Full Scale Temperature Coefficient | 0.03%FS/°C (≤100kPa) |
| Long-term Stability | ±0.3%FS/year (max) |
Application Fields
The SMP6384-4A Soil Pressure Transmitter is widely used in the following fields:
Large Tunnel Excavation Equipment
Coal Mining Equipment
TBM Equipment
Pressure Measurement of Sand, Mud, and Other Media
Conclusion
The Nexisense SMP6384-4A Soil Pressure Transmitter is a high-performance pressure measurement device specifically designed for extreme environments, featuring excellent resistance to interference and stability. Whether in tunnel excavation, coal mining, or other complex environments, it provides reliable pressure data, helping users improve work efficiency and ensure safe equipment operation. Choose SMP6384-4A for a high cost-performance measurement solution.
