NPI-19J-050A2

Pressure Sensors Transducers Overview

The NPI-19J-050A2 is a media-isolated digital I²C pressure sensor from the NovaSensor NPI-19 series. It measures absolute pressure with a range of 0 to 50 psi (344.74 kPa) and features a male 1/8 in-27 NPT port. The device operates on a supply voltage between 2.5 V and 5.5 V, drawing 3 mA current. It provides a 14-bit digital output via I²C interface. Accuracy is specified at ±1%. The sensor includes temperature compensation and withstands overpressure up to 100 psi. Operating temperatures range from -40°C to +125°C. The cylindrical package supports panel mounting.

Pressure Sensors Transducers Feature Summary

• Media isolation protects internal components from process fluids
• Digital I²C interface enables direct microcontroller integration
• Integrated temperature compensation ensures stable readings across operating ranges
• Robust cylindrical design suitable for harsh industrial environments

Pressure Sensors Transducers Applications

• Industrial automation systems requiring precise pressure monitoring
• HVAC equipment control and diagnostics
• Medical gas delivery and anesthesia machines
• Fluid power and hydraulic system monitoring

Pressure Sensors Transducers Procurement Notes

Verify the specific suffix A2 confirms the 1/8 NPT port configuration and wire lead termination style required for your assembly. Confirm that the I²C address settings align with your system bus topology. Ensure the supply voltage remains within the 2.5 V to 5.5 V window during operation. Check RoHS compliance status if restricted substances are mandated by your project specifications.

Pressure Sensors Transducers Selection Notes

Select this model when media isolation is critical to prevent sensor contamination or corrosion. The digital I²C output simplifies signal conditioning compared to analog variants. Consider the 1/8 NPT port size for compatible piping connections. Evaluate the ±1% accuracy against application tolerance requirements. The wide temperature range supports deployment in uncontrolled outdoor or industrial settings.

Pressure Sensors Transducers Part Context

This component belongs to the Amphenol NovaSensor NPI-19 series, designed for harsh environment applications. The series offers both digital and analog options with various pressure ranges and port configurations. The NPI-19J variant specifically denotes the digital I²C output type. Media isolation is a key differentiator for this series in corrosive or sensitive fluid handling scenarios.

Pressure Sensors Transducers Replacement Considerations

Cross-reference part numbers within the NPI-19 series for alternative port sizes or pressure ranges. Verify compatibility with existing PCB footprints and connector types when substituting. Ensure the replacement maintains the same absolute pressure measurement type and I²C communication protocol.