MOQ: | 1 |
Price: | $30/pieces |
Standard Packaging: | Carton |
Delivery Period: | 15-20work days |
Payment Method: | T/T |
Supply Capacity: | 100-1000 |
A pressure sensor is a transducer that converts fluid or gas pressure into an electrical signal (e.g., voltage, current, digital output) for monitoring, control, and safety in industrial, automotive, medical, and aerospace systems. It ensures precise pressure management in real-time, preventing equipment failure and optimizing processes.
Pressure Monitoring
Measures absolute, gauge, or differential pressure with high accuracy.
Process Control
Maintains optimal pressure in systems like HVAC, hydraulics, and manufacturing.
Safety Alerts
Triggers shutdowns during overpressure/underpressure events.
Data Logging
Integrates with SCADA/IoT systems for predictive maintenance.
Type | Operating Principle & Applications | Pros & Cons |
---|---|---|
Strain Gauge | Measures deformation of a diaphragm via piezoresistive elements. | ✅ Robust, cost-effective ❌ Sensitive to temperature drift |
Capacitive | Detects capacitance changes between diaphragms/electrodes. | ✅ High accuracy, low power ❌ Complex signal conditioning |
Piezoelectric | Generates charge from pressure-induced crystal strain. | ✅ Dynamic pressure sensing ❌ Unsuitable for static pressure |
Optical | Uses fiber Bragg gratings (FBG) to measure wavelength shift. | ✅ EMI-immune, explosive environments ❌ High cost |
MEMS (Micro-Electro-Mechanical) | Miniaturized silicon-based sensors. | ✅ Compact, low-cost, digital output ❌ Limited high-pressure range |
Standard specifications for industrial pressure sensors:
Parameter | Description | Common Values/Options |
---|---|---|
Pressure Range | Minimum to maximum measurable pressure. | 0–10 psi to 0–100,000 psi (0–69 kPa to 0–690 MPa) |
Pressure Type | Absolute (ref. vacuum), Gauge (ref. atm.), Differential (Δ between ports). | Gauge (most common), Absolute, Sealed Gauge |
Accuracy | Max. error (% full scale span). | ±0.1% FS (high-end), ±0.5% FS (industrial) |
Output Signal | Electrical interface. | 4–20mA (industry std.), 0–5/10V, I²C, SPI, RS-485 |
Operating Temperature | Ambient limits for reliable performance. | -40°C to +125°C (standard), -196°C to +400°C (specialized) |
Long-Term Stability | Annual drift (% FS). | ±0.1% FS/year (precision), ±0.5% FS/year (general) |
Overpressure Limit | Max. pressure without damage (typically 2–3x full scale). | 2x FS (standard), 5x FS (ruggedized) |
Media Compatibility | Fluid/gas suitability. | Oil, water, air, fuels, corrosive chemicals |
Wetted Materials | Parts contacting media. | 316L stainless steel, Hastelloy, ceramic, silicon |
Response Time | Time to reach 90% of final reading. | 1–10 ms (MEMS), 10–100 ms (strain gauge) |
IP Rating | Ingress protection. | IP65 (dust/water jets), IP68 (submersion) |
Certifications | Safety/industry standards. | ATEX (explosive), CE, RoHS, ASME B40.100 |
Industrial Automation: Hydraulic/pneumatic system control.
Oil & Gas: Pipeline monitoring, wellhead pressure.
Medical: Ventilators, blood pressure monitors.
Automotive: Turbochargers, fuel/brake systems, EV batteries.
Aerospace: Cabin pressure, fuel tanks.
HVAC: Duct pressure, chiller optimization.
Pressure Type & Range:
Use gauge sensors for atmospheric reference (e.g., tire pressure).
Choose absolute sensors for vacuum-referenced apps (e.g., altimeters).
Ensure max. operating pressure is ≤75% of sensor’s full scale.
Environment:
Select 316L stainless steel for corrosive media; ceramic for abrasive slurries.
Use IP68 for subsea/washdown areas; ATEX/IECEx for explosive atmospheres.
Performance Needs:
Prioritize ±0.1% accuracy for critical processes (e.g., pharmaceutical reactors).
Opt for 4–20mA output for noise immunity in industrial settings.
Ruggedness:
Specify high overpressure limits (5x FS) for pulsating systems (e.g., pumps).
Minimize thermal errors with built-in compensation.
Mounting: Avoid mechanical stress on sensor housing.
Pulsation Dampening: Use snubbers in high-vibration systems.
Sealing: Match O-ring material (e.g., Viton™, EPDM) to fluid/temperature.
Calibration: Perform annual traceable calibration per ISO 17025.
⚠️ Warning:
Media incompatibility can cause leaks or sensor failure. Verify chemical resistance using Compatibility Guides.
Exceeding overpressure limits voids warranties and risks catastrophic failure.
Advanced Variants:
Multivariable Sensors: Measure pressure + temperature/flow (e.g., DP flowmeters).
Wireless Sensors: Battery-powered with LoRaWAN/NB-IoT for remote monitoring.
Sanitary Sensors: Tri-Clamp fittings + electropolished surfaces for food/pharma.
Always consult OEM datasheets for derating at extreme temperatures/vibrations. Test in actual operating conditions.
MOQ: | 1 |
Price: | $30/pieces |
Standard Packaging: | Carton |
Delivery Period: | 15-20work days |
Payment Method: | T/T |
Supply Capacity: | 100-1000 |
A pressure sensor is a transducer that converts fluid or gas pressure into an electrical signal (e.g., voltage, current, digital output) for monitoring, control, and safety in industrial, automotive, medical, and aerospace systems. It ensures precise pressure management in real-time, preventing equipment failure and optimizing processes.
Pressure Monitoring
Measures absolute, gauge, or differential pressure with high accuracy.
Process Control
Maintains optimal pressure in systems like HVAC, hydraulics, and manufacturing.
Safety Alerts
Triggers shutdowns during overpressure/underpressure events.
Data Logging
Integrates with SCADA/IoT systems for predictive maintenance.
Type | Operating Principle & Applications | Pros & Cons |
---|---|---|
Strain Gauge | Measures deformation of a diaphragm via piezoresistive elements. | ✅ Robust, cost-effective ❌ Sensitive to temperature drift |
Capacitive | Detects capacitance changes between diaphragms/electrodes. | ✅ High accuracy, low power ❌ Complex signal conditioning |
Piezoelectric | Generates charge from pressure-induced crystal strain. | ✅ Dynamic pressure sensing ❌ Unsuitable for static pressure |
Optical | Uses fiber Bragg gratings (FBG) to measure wavelength shift. | ✅ EMI-immune, explosive environments ❌ High cost |
MEMS (Micro-Electro-Mechanical) | Miniaturized silicon-based sensors. | ✅ Compact, low-cost, digital output ❌ Limited high-pressure range |
Standard specifications for industrial pressure sensors:
Parameter | Description | Common Values/Options |
---|---|---|
Pressure Range | Minimum to maximum measurable pressure. | 0–10 psi to 0–100,000 psi (0–69 kPa to 0–690 MPa) |
Pressure Type | Absolute (ref. vacuum), Gauge (ref. atm.), Differential (Δ between ports). | Gauge (most common), Absolute, Sealed Gauge |
Accuracy | Max. error (% full scale span). | ±0.1% FS (high-end), ±0.5% FS (industrial) |
Output Signal | Electrical interface. | 4–20mA (industry std.), 0–5/10V, I²C, SPI, RS-485 |
Operating Temperature | Ambient limits for reliable performance. | -40°C to +125°C (standard), -196°C to +400°C (specialized) |
Long-Term Stability | Annual drift (% FS). | ±0.1% FS/year (precision), ±0.5% FS/year (general) |
Overpressure Limit | Max. pressure without damage (typically 2–3x full scale). | 2x FS (standard), 5x FS (ruggedized) |
Media Compatibility | Fluid/gas suitability. | Oil, water, air, fuels, corrosive chemicals |
Wetted Materials | Parts contacting media. | 316L stainless steel, Hastelloy, ceramic, silicon |
Response Time | Time to reach 90% of final reading. | 1–10 ms (MEMS), 10–100 ms (strain gauge) |
IP Rating | Ingress protection. | IP65 (dust/water jets), IP68 (submersion) |
Certifications | Safety/industry standards. | ATEX (explosive), CE, RoHS, ASME B40.100 |
Industrial Automation: Hydraulic/pneumatic system control.
Oil & Gas: Pipeline monitoring, wellhead pressure.
Medical: Ventilators, blood pressure monitors.
Automotive: Turbochargers, fuel/brake systems, EV batteries.
Aerospace: Cabin pressure, fuel tanks.
HVAC: Duct pressure, chiller optimization.
Pressure Type & Range:
Use gauge sensors for atmospheric reference (e.g., tire pressure).
Choose absolute sensors for vacuum-referenced apps (e.g., altimeters).
Ensure max. operating pressure is ≤75% of sensor’s full scale.
Environment:
Select 316L stainless steel for corrosive media; ceramic for abrasive slurries.
Use IP68 for subsea/washdown areas; ATEX/IECEx for explosive atmospheres.
Performance Needs:
Prioritize ±0.1% accuracy for critical processes (e.g., pharmaceutical reactors).
Opt for 4–20mA output for noise immunity in industrial settings.
Ruggedness:
Specify high overpressure limits (5x FS) for pulsating systems (e.g., pumps).
Minimize thermal errors with built-in compensation.
Mounting: Avoid mechanical stress on sensor housing.
Pulsation Dampening: Use snubbers in high-vibration systems.
Sealing: Match O-ring material (e.g., Viton™, EPDM) to fluid/temperature.
Calibration: Perform annual traceable calibration per ISO 17025.
⚠️ Warning:
Media incompatibility can cause leaks or sensor failure. Verify chemical resistance using Compatibility Guides.
Exceeding overpressure limits voids warranties and risks catastrophic failure.
Advanced Variants:
Multivariable Sensors: Measure pressure + temperature/flow (e.g., DP flowmeters).
Wireless Sensors: Battery-powered with LoRaWAN/NB-IoT for remote monitoring.
Sanitary Sensors: Tri-Clamp fittings + electropolished surfaces for food/pharma.
Always consult OEM datasheets for derating at extreme temperatures/vibrations. Test in actual operating conditions.