PST Series Pressure Sensors
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Magnetic sensors product, Intelligent sensing solutions
The PST pressure transmitter or pressure sensor is a high-performance instrument intended for industrial applications where the process media is compatible with the SUS316L stainless steel sensor material and the 304 SS process connection.
The PST pressure sensors employ a piezoresistive effect in silicon. Piezoresistor as a resistor is made from a piezoresistive material, the resistance of which changes with the variable mechanical stress
The sensor is welded to a pressure fitting of stainless steel or brass that provides a high overpressure capability and excellent durability against shock and vibration. The transducer circuitry is held securely within an internal cage and housed in a reinforced nylon and EPDM enclosure.
Features
- Affordable performance in a compact, durable housing package
- ±1% error of span
- High EMI/RFI compatibility
- High temperature resistance
- High accuracy is accomplished by marrying a high-performance ASIC to a very stable polysilicon thin film pressure sensor
- Wide measurement range
- All stainless steel structure
- Reverse polarity protection
- Strong capacity of resisting disturbance
- Long-term stability
Technical Parameters
| Model | PST-01 | PST-02 |
| Supply Voltage | 5VDC | 12~36 VDC |
| Output Voltage | 0.5-4.5VDC | 4~20mA; 0~5V, 0.5~4.5V |
| Pressure Range | 250KPa; 700KPa; 1MPa; 1.6MPa | -0.1 ...0-0.02...3.10 Mpa, or Can Be Customized |
| Proof Pressure | 150%FS | 150%FS |
| Burst Pressure | 200%FS | 200%FS |
| Accuracy | 1% | 0.25%; 0.5% or can be customized |
| Stability | ≦0.2%FS | |
| Zero-Temp. Coefficient | ±0.03%FS/°C | |
| FS-Temp. Coefficient | ±0.03%FS/°C | |
| Operating Temp. | -20~120°C | -20-120°C |
| Compensated Temp. | -40~120°C | -40~120°C |
| Pressure Port | 1/8NPT; G1/4(M) | 1/4NPT; Gl/2; Ml0 or can be customized |
| Electrical Connection | 3 Pin Packard | Hirschmann; cable or can be customized, 3 pin packard |
| Sealing Rating | IP65 | IP65 |
| Housing | Brass; Stainless Steel | Stainless Steel |
| Diaphragm | Stainless Steel | 316L Stainless Steel |
| Non-linearity | 0.2% FS | |
| Reliability | 0.2% FS |
Dimension
Application Examples
- Discharge and suction pressure monitoring
- Subcooling and superheat calculations
- Compressor oil pressure monitoring
- Condenser fan control
- Compressor staging and unloading
- Electronic expansion valve control
- Industrial automation equipment
- Industrial process measurement and control
- Hydraulic and pneumatic system equipment
- Precise measurement for fluid pressure, such as tube hydraulic, gas pressure, food, beverage industry and machine engineer
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