Manufacturers direct sales of high-precision piezoresistive diffused silicon pressure transmitter core  pressure sensor core

1， Product Description

This chip adopts internationally advanced high stability and high-precision silicon pressure chips, and uses new production processes and high-precision production testing equipment to ensure excellent stability of the product.

Temperature compensation and nonlinear correction were carried out through the company's developed dedicated integrated circuit, and standard (4-20) mADC signals were directly output.

Low power consumption, easy to connect with various devices, simple assembly, and strong applicability.

This product can be widely used in various fluid pressure detection environments

2. Technical performance:

Range: -100kPa~0~10kPa...100MPa （customizable）

Type of pressure: gauge pressure, absolute pressure, sealing pressure

Excitation constant current: recommended 1.5mA; constant voltage recommended 10V （customizable）

Input impedance: constant current: 2kΩ~5kΩ （customizable）

Constant pressure: 3kΩ~18kΩ  （customizable）

Electrical connection : Gold-plated Kovar pins or silicone flexible wires

Compensation temperature : Constant current: 0°C~60°C (≤35kPa), -10°C~70°C (other range);

Constant pressure: -20 ° C ~ 85 ° C

Working temperature : -40°C~125°C

Storage temperature: -40 ° C ~ 125 ° C

Insulation resistance : ≥200MΩ/250VDC （customizable）

Response time : ≤1ms (up to 90%FS) （customizable）

Measuring media : All 316L compatible liquids and gases

Mechanical vibration: 20g (20 ~ 5000HZ) （customizable）

Impact: 100g (10ms)              （customizable）

Service life : 10×106 (cycles)    

3， Construction Performance：

Diaphragm material: 316L

Shell material: 316L

Pressure tube material: 316L

Sealing ring: Butyl cyanide or fluoro rubber

Perfusion liquid : silicone oil

 Net weight: about 26g