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Specification
PWT08 series pressure sensor is a wide temperature range, micro, multi-functional and high-precision pressure sensor.
Advanced micro-machining silicon technology MEMS chip, special oil-filled media isolation, solid anti-interference circuit design and stainless steel internal and external structural interface, make the PWT08 series become a high accuracy, strong reliability, suitable for a variety of measuring media pressure sensor, and further provide a 10KHz frequency bandwidth electronic circuit.
Through the pre-design of the pressure core, the series is small in volume, wide in range and strong in pressure resistance.
The sensor can provide a variety of different electrical output signals and output modes, and can measure two pressure types: absolute pressure and sealed gauge pressure.
| Performance Parameters | ||||
| Main Performance Indicators | ||||
| Specification | Description | |||
| Range | Absolute Pressure: Selectable between 0~70MPa | |||
| Sealed Gauge Pressure: Selectable between 0~70MPa | ||||
| Units | MPa/ bar/kPa/hPa/ psi/mmHg | |||
| “Custom units available upon request | ||||
| Accuracy (Integrated Non-linearity,Hysteresis, Repeatability) | A1:0.2%FS’BFSL | |||
| A2:0.1%FS’BFSL | ||||
| “Custom accuracy available upon request | ||||
| Overload Pressure² | 2xFS | |||
| Burst Pressure³ | 3xFS | |||
| Working Principle | Four-arm Wheatstone bridge silicon-based MEMS chip | |||
| Chip Resonant Frequency | >400KHz | |||
| Mechanical Performance | ||||
| Specifications | Description | |||
| Pressure connection | See selection table, customizable | |||
| Vibration Impact on Sensor Accuracy | <1ppmFS/g | |||
| Impact connection | Maximum 20g at 10-2500Hz; Impact time not exceeding 20ms | |||
| Housing Material | Standard 316L/17-4PH stainless steel (“Other materials available upon request) | |||
| Measuring Medium | All fluids compatible with 316L/17-4PH stainless steel | |||
| Weight | ≤15g; weight of cable and electrical connectors is additional and depends on selection | |||
| Electrical performance | ||||
| Power Supply/Output | See selection table, customizable | |||
| Circuit Bandwidth | 10Khz | |||
| Actual Frequency Response | Depends on system installation | |||
| Power-up Time | ED <200ms | |||
| Zero and Full-Scale Output Range | ED See temperature performance | |||
| “Custom requirements available upon request | ||||
| Insulation Resistance | ≥100MO@500VDC | |||
| Dielectric Strength | Leakage current≤ 5mA@50VACRMS | |||
| Maximum Operating Current | ED <25mA | |||
| Output Impedance | ED <1500 | |||
| Long-term Stability | Typical value ±0.1%FS | |||
| Electrical Connection | See selection table, customizable | |||
| Temperature Performance4 | ||||
| Specifications | Description | |||
| Temperature Compensation Range | Selectable within the range of -55℃ to 150℃ | |||
| Storage Temperature Range | -55℃-150℃ | |||
| Total Temperature Range Error | ED<0.25%FSV100℃ | |||
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