Piezo-resistive OEM pressure sensors with very high stability — Series 20S
Спецификация Серия 20S
Available on request
Delivery across Russia
Order phone: +7(800)777-18-50
Description
Pressure transducers with threaded connection of the 20S series feature high long-term stability and overload resistance, as well as optimized temperature characteristics. The compact stainless steel housing without internal seals is suitable for various OEM applications. Each pressure sensor is calibrated across the entire pressure and temperature profile and comes with a detailed calibration certificate.
Features
- Very high long-term stability
- Durable stainless steel housing
- High overload pressure
- Optimized thermal characteristics
Technical solutions
- Isolated piezoresistive pressure sensor housed in a metal
housing filled with oil - Fully welded design without internal seals
- Standard output signal range 160 mV / mA
Applications
- OEM
- Industry
- Oil industry
Overview of individual options
- Other pressure ranges
- Other temperature ranges
- Different mathematical modeling
- Housing and isolation diaphragm made of Hastelloy C-276, Inconel 718, or Titanium
- Electrical connection with silicone wires
- Sealing rings made of other materials
- Other types of oils for sensor filling: for example, special oils for oxygen applications, hydrogen
- Customization for special customer applications
- Specifications
- Overall dimensions drawing
- Applications
Specifications |
||
| Accuracy at room temperature (20…25°C) | ± 0.25% FSO standard | Linearity (best fit straight line), pressure hysteresis, repeatability |
| ± 0.50% FSO max. | ||
| Zero offset at room temperature (20…25°C) | < ± 25 mV / mA | Without compensation, must be added for PA version |
| < ± 2 mV / mA | Compensation with resistor R3 or R4 | |
| Compensated temperature range | -10…80°C | Option: other temperature ranges possible within -40…125°C |
| Long-term stability | ≤ ± 0.2% FSO | Per year under standard conditions |
| Position dependence | ≤ 2 mbar | Calibrated in vertical mounting position with downward threaded connection |
| Temperature coefficient of zero offset (TCzero) with calculated compensation resistor R1 or R2 | ≤ ± 0.02% FSO / K | For pressure ranges ≥ 2 bar |
| < ± 4 mbar / K | For pressure ranges < 2 bar | |
| Temperature coefficient of sensitivity (TCsens) | ≤ ± 0.06% / K | For pressure ranges ≥ 3 bar |
| ≤ ± 0.12% / K | For pressure ranges < 3 bar | |
| Temperature coefficient of bridge resistance (TC-resistance) | 1800…3000 ppm / K | |
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