HT30 Silicon Piezoresistive Pressure Sensor
Introduction of silicon pressure sensor:
HT30 silicon piezoresistive pressure sensor is a highly stable diffused silicon element. It utilizes the piezoresistive effect of diffused silicon to measure the pressure of liquids and gases. The core is welded together with a standard thread, and it does not use O-ring sealing, making it suitable for a wide range of applications.
Electrical performance of silicon pressure sensor: - Power Supply: ≤2mA DC (Typical 1.5mA DC)
- Input Impedance:2.5KΩ~6KΩ
- Output Impedance:2.5KΩ~6KΩ
- Electrical Connection:Gold-plated Kovar pins or 100mm high-temperature wires.
| Performance Parameters of silicon pressure sensor: |
| Measurement Range | Gauge(G) | 10KPa,20KPa,35KPa,100KPa,200KPa,350KPa,1000KPa,2000Kpa |
| Absolute(A) | 100KPaA,200KPaA,350KPaA,700KPaA,1000KPaA,2000KPaA |
| Sealed(S) | 3500KPaS,7MPaS,10MPaS,20MPaS |
| | Typ | Max | Unit |
| NonLinearity | ±0.15 | ±0.3 | %F.S |
| Repeatability | 0.05 | 0.1 | %F.S |
| Hysteresis | 0.05 | 0.1 | %F.S |
| Zero Offset Output | 0±1 | 0±2 | mV |
| Full Scale Output | ≤20KPa | 50±10 | 50±30 | mV |
| ≥35kPa | 100±10 | 100±30 | mV |
| Zero Offset Temp. Drift | ≤20KPa | ±1 | ±2 | %F.S |
| ≥35kPa | ±0.5 | ±1 | %F.S |
| Full Scale Temp. Drift | ≤20KPa | ±1 | ±2 | %F.S |
| ≥35kPa | ±0.5 | ±1 | %F.S |
| Compensated Temp. | ≤20KPa | 0~50 | ºC |
| ≥35kPa | 0~70 | ºC |
| Operating Temperature | -20~80 | ºC |
| Storage Temperature | -40~125 | ºC |
| Allowable Overload | Take the smaller value between 3 times the full scale or 120MPa | |
| Burst Pressure | 5X the full scale | |
| Long-term Stability | 0.2 % | F.S/Year |
| Diaphragm Material | 316L | |
| Insulation Resistance | ≥200MΩ 100VDC | |
| Vibration | No change under conditions of 10gRMS, 20Hz to 2000Hz | |
| Shock | 100g,11ms | |
| Response Time | ≤1ms | |
| O-ring Seal | Nitrile rubber or Fluoro rubber | |
| Filling Medium | Silicon Oil | |
| Weight | ~63g | |
| The parameters are tested under the following conditions: 1.5mA @ 25°C |
| Outline Construction of silicon pressure sensor |
| Dimension | 
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| Electrical connection and compensation |
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Product Features of silicon pressure sensor:
- Utilizing advanced technology and 316L stainless steel housing, along with materials such as titanium and Hastelloy for the diaphragm
- Employing thick-film circuits for temperature compensation and zero-point correction.
- Multiple thread interfaces available for selection
- Welded as one piece, compact size, and high reliability
Applications of silicon pressure sensor: - Applied in various industrial process sites, including petroleum, chemical, metallurgy, power, and hydrology .
- Used in marine and aviation industries
- Suitable for hydraulic and pneumatic control systems
- Utilized in process control applications
1. In the assembly, pay attention to the coordination of the core size and the transmitter housing to achieve the required sealing
2. During the housing assembly process, ensure that it is vertically aligned and apply even pressure to avoid jamming or damaging the compensation plate.
3. If the medium under test is incompatible with the core diaphragm and housing material (316L), special instructions should be provided when placing the order.
4. Avoid pressing the sensor diaphragm with hands or sharp objects to avoid deformation or puncture of the diaphragm and damage to the core.
5. Keep the pressure port of the gauge core open to the atmosphere to prevent water, water vapor or corrosive media from entering the negative pressure chamber of the gauge core.
6. If any pin changes, refer to the label on the actual core wire.
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Q2:Customized Product
A2:We provide OEM and Custom-Design services.
Q3:Quality Quarantee
A3:Our products have a limited 12 to 18 months warranty from shipment date to the original purchaser.Hengtong will replace or repair defective products free of charge.This warranty does not apply to any units have been modified,misused,neglected.
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