1/8 NPT 150psi Pressure Sensor

A high-precision, robust pressure transducer constructed from 316L stainless steel, suitable for media such as oil, fuel, gas, water, and air. Designed for reliable use in oil lines, fuel systems, and similar applications, this component delivers rapid response times, high long-term stability, and IP67-rated protection for demanding motorsport environments.

Technical Specifications

Mechanical & Material Properties

• Housing Material: 316L Stainless Steel

• Connection Thread: 1/8"-27 NPT

• Cable Connection: Waterproof quick-disconnect connector; mating connector (pigtail) included

• Shock Resistance: 1000 g

• Anti-Shock Performance: ≤ ±0.01% FS (X, Y, Z axis, 200 Hz/g)

• Protection Class: IP67

• Explosion Protection Classification: Ex ia IIC T6

Electrical Properties

• Supply Voltage: 5V DC

• Output Signal: Linear Voltage Output (0.5–4.5V)

  • 0 psi → 0.5V

  • 15 psi → 2.5V

  • 30 psi → 4.5V

• Wiring: Red = +5V; Black = Ground; Blue = Signal

• Load Resistance: ≤ (Supply Voltage − 6.5V) / 0.02A Ω

• Insulation Resistance: > 100 MΩ at 500V DC

• Response Time: ≤ 1 ms

Measuring Range & Accuracy

• Available Pressure Ranges: 30 psi, 100 psi, 150 psi (Selectable options)

• Accuracy: ≤ ±2% FS (Full Scale)

• Overload Capacity: 2–4× rated measuring range (depending on specific model)

• Long-Term Stability: < 0.1% FS / year

Temperature Characteristics

• Operating Temperature: −40 °C to +120 °C

• Temperature Offset Compensation: 0 °C to +80 °C

• Temperature Effect on Zero: Typical 0.02% FS/°C; Max. 0.05% FS/°C

• Temperature Effect on Sensitivity: Typical 0.02% FS/°C; Max. 0.05% FS/°C

Media Compatibility

• Suitable for: Oil, fuel, gas, water, and air

• Material Compatibility: Any media compatible with 316L stainless steel

EMC & Standards

• Electromagnetic Compatibility (EMC): EN 50051-1 compliant

• Explosion Protection: Ex ia IIC T6 (Model-dependent — please verify device markings)

Application Notes / Usage Instructions

• Check wiring and thread sealing for leaks prior to operation.

• When used in hazardous (explosive) areas, observe all certification and installation requirements.

• Operate only with the correct polarity and appropriate load (see Load Resistance specs).

• For maximum accuracy, we recommend thermal stabilization within the specified compensation range.

What's Included (Scope of Delivery)

• 1x Pressure Transducer (Stainless Steel Housing)

• 1x Waterproof Mating Connector (Pigtail)

Technical Support & Orders For project-specific requirements or advice on selecting the correct measuring range for your application, please contact us via the contact form.