RS214A Series Flush Diaphragm Ceramic Piezoresistive Sensor Core
The RS214A series flush diaphragm ceramic piezoresistive sensor core uses a meticulously crafted alumina ceramic base, combined with highly stable sensitive materials.
It is refined through processes such as screen printing, high-temperature sintering, and laser trimming.
The RS214A has dimensions of φ21X(4.10-4.77))mm. Its unique circuit design significantly enhances product reliability.
The sensitive element internally integrates a temperature compensation circuit and undergoes laser trimming, ensuring that within the conventional usage range (-20°C to 85°C), the internal bridge temperature drift signal is nearly zero (≤0.02% FS/°C), greatly reducing the temperature compensation calibration required during pressure sensor production.
Ceramic material offers excellent thermal stability and creep resistance, with an operating temperature range up to -40°C to 150°C, demonstrating outstanding long-term stability.
The corrosion resistance of ceramic provides significant advantages in fields such as refrigeration, chemical industry, pharmaceuticals, and environmental protection, gradually replacing the common diffused silicon pressure sensors.
With its high cost-effectiveness, the temperature-compensated ceramic piezoresistive sensor core becomes the preferred choice for pressure sensing elements in IoT applications. It is widely used in measuring the pressure of air, water, oil,
and other media. It has extensive applications in areas such as automotive, air compressors, firefighting water pipes,
industry, and household appliances. We can customize various shapes and sizes of pressure-sensitive cores according to customer requirements.
- Patented circuit layout design
- Unique structural design
- Ultra-high overload and burst pressure, suitable for high-impact pressure scenarios
- Wide temperature range, broad applicability
- High-elasticity diaphragm to enhance sensitivity and meet high-precision measurement requirements
- Supports precise data acquisition
Product Parameters
| Parameters |
Electrical characterisitics |
| Series Name |
RS214A Series |
| Type |
Temperature compensation Flush diaphragm |
| Size (diameter x height) |
21x(4.25~4.92)mm |
| Supply voltage |
2-30 V DC |
| Bridge road impedance |
※10.0kΩ ± 30% |
| TCR |
≤ 100 ppm/℃@-40℃~135 ℃ |
| Operating temperature |
‘-40 ℃~135℃ |
| Storage temperature |
’-40℃~150 ℃ |
| Temperature dirft |
※ Tco&Tcs 0.02%FS/℃ Max |
| Nonlinearity |
0.25% FS Max |
| Hysteresis & repeatability |
0.25% FS Max |
| Zero offset |
※0±0.4mV/V |
| Sensitivity |
※2.0-4.0mV/V, Typ: 3.0mV/V/FS |
| Response time |
＜ 2mS |
| Insulation resistance |
＞ 2KV |
| Zero-point long term stability@25℃ |
Zero@25℃:＜0.25 FSO (no time accumulation) |
| Cycle life |
5 million pressure cycles@2-5Hz, 0~full scale pressure~0, 15 ~35℃ |
Product Range
| RS214A |
| 21x(4.10-4.77)mm Series |
| Product Model |
Working Pressure Range |
Product thickness H |
Overload Pressure |
Burst Pressure |
| RS214A002C |
0-2 Bar |
4.25 ± 0.05 mm |
＞ 10 Bar |
＞ 20 Bar |
| RS214A005C |
0-5 Bar |
4.30 ± 0.05 mm |
＞ 25 Bar |
＞ 40 Bar |
| RS214A010C |
0-10 Bar |
4.40 ± 0.05 mm |
＞ 30 Bar |
＞ 60 Bar |
| RS214A020C |
0-20 Bar |
4.55 ± 0.05 mm |
＞60 Bar |
＞ 120 Bar |
| RS214A032C |
0-32 Bar |
4.65 ± 0.05 mm |
＞ 100 Bar |
＞ 160 Bar |
| RS214A050C |
0-50 Bar |
4.70 ± 0.05 mm |
＞ 150 Bar |
＞ 250 Bar |
| RS214A070C |
0-70 Bar |
4.85 ± 0.05 mm |
＞250 Bar |
＞ 350 Bar |
| RS214A100C |
0-100 Bar |
4.92 ± 0.05mm |
＞300 Bar |
＞ 400 Bar |
Q1. What makes Songfast's products stand out from competitors?
Q2. What official certifications and industry compliance standards has the company obtained?
Q3. Do you offer custom development for new products beyond your website offerings?
A: Yes, Songfast provides custom development services to meet unique customer requirements for new products.
