Sensirion SDP31-500PA-TR Digital Differential Pressure Sensor, I²C, 3.3V, −0.5 kPa~+0.5 kPa
The Sensirion SDP31-500PA-TR is a compact, digital differential pressure sensor based on the CMOSens® MEMS chip, offering high accuracy and stability for low-pressure measurement. It communicates via I2C interface, operates from a 3.3V supply, and is designed for integration into HVAC systems, medical devices, and industrial monitoring applications.
Features
- CMOSens® MEMS digital differential pressure sensor with I2C output.
- Precision measurement range of -0.5 kPa to +0.5 kPa (±500 Pa).
- High reliability with excellent long-term stability and no zero-point drift.
- Optimized for 3.3V operation with a wide temperature range of -40°C to +85°C.
- Reflow solderable package for high-volume, automated assembly.
Out of stock
The SDP31-500PA-TR belongs to Sensirion’s SDP3x family of miniature differential pressure sensors, engineered for applications where space and performance are critical. Its core is the next-generation CMOSens® chip, which integrates the sensing element, signal processing, and digital calibration on a single silicon die, ensuring high accuracy and signal integrity.
This sensor delivers fast measurement speeds and features advanced functionalities such as smart averaging, multiple temperature compensation modes, configurable I2C addresses, and interrupt capabilities. Its robust design ensures high reliability and long-term stability, making it suitable for demanding environments in HVAC, medical equipment, cleanroom monitoring, and filter status detection.
Additional Information
| Weight | 0.008 kg |
|---|---|
| Dimensions | 6 × 9 × 2 cm |













