SKU: SENS-0787
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Sensirion SDP611 Differential Pressure Sensor ±500 Pa, Analog & I2C Output

₹5,959.00 (Inclusive of all taxes)
Out of Stock

The Sensirion SDP611 is a high-precision differential pressure sensor providing both analog and I2C digital outputs for a ±500 Pa measurement range. It offers exceptional accuracy and repeatability for low-flow applications, compatible with 3.3V systems, industrial PLCs, and embedded platforms like Arduino and Raspberry Pi.

Features

  • High-precision ±500 Pa differential pressure measurement with better than 0.2% FS accuracy near zero.
  • Dual analog voltage and I2C digital output interfaces for flexible system integration.
  • Excellent repeatability and long-term stability, even for pressures below 10 Pa.
  • Fully calibrated and temperature-compensated for reliable performance from -20 to +85°C.
  • Low-power design with CRC-8 protected I2C communication for data integrity.

Out of stock

Description

The Sensirion SDP611 differential pressure sensor utilizes a MEMS-based sensing element to deliver highly accurate measurements of pressure differences up to ±500 Pa. The sensor is factory-calibrated and temperature-compensated, ensuring stable readings across its full operating temperature range. Its advanced SF04 chip technology provides excellent repeatability, making it suitable for detecting extremely low-pressure changes.

Output is available as both an analog voltage signal and via a digital I2C interface with CRC-8 error checking, offering flexibility for direct analog-to-digital conversion or direct microcontroller communication. The sensor’s compact PPSU/MABS enclosure is designed for demanding environments, including medical devices, HVAC systems, and automotive applications requiring precise flow or pressure monitoring.

Key Features

  • ±500 Pa differential pressure range with high resolution.
  • Dual output: Analog voltage and digital I2C with CRC-8 protection.
  • Superior accuracy better than 0.2% of full scale near zero point.
  • Excellent repeatability performance, even below 10 Pa.
  • Fully calibrated and temperature compensated from -20°C to +85°C.
  • Low power consumption, typically under 6 mA.
  • Robust PPSU/MABS housing for reliable operation in industrial settings.
  • Fast response time of 0.5 ms for dynamic pressure monitoring.

Applications

  • HVAC system airflow monitoring and filter clog detection.
  • Medical device ventilation and respiratory flow measurement.
  • Automotive applications including engine air intake and cabin pressure sensing.
  • Industrial process automation and burner control systems.
  • Laboratory equipment for precise gas flow and differential pressure control.

Technical Specifications

Manufacturer Part NumberSDP611
Sensor TypeDifferential Pressure Sensor
Measurement Range±500 Pa
Output InterfaceAnalog, Digital (I2C)
Operating Voltage3.0 V to 3.6 V DC
Current Consumption<6 mA
Operating Temperature-20°C to +85°C
AccuracyBetter than 0.2% FS (near zero)
Resolution12-bit
Response Time0.5 ms
Housing MaterialPPSU/MABS
Dimensions (L x W)82 mm x 34.4 mm
Weight<20 g

Frequently Asked Questions

What are the output options for the SDP611 sensor?

The SDP611 provides two output interfaces: an analog voltage output proportional to the measured pressure and a digital I2C interface. The I2C communication includes CRC-8 error checking for enhanced data integrity, allowing direct connection to microcontrollers like Arduino or Raspberry Pi.

What is the operating voltage range for this pressure sensor?

The SDP611 requires a supply voltage between 3.0V and 3.6V DC. It is designed for 3.3V logic systems and is not compatible with 5V power without appropriate level shifting or conditioning for the I2C lines.

How accurate is the SDP611, especially at low pressures?

The sensor offers an accuracy better than 0.2% of the full scale (±500 Pa) near the zero point. It is specifically engineered for excellent repeatability, making it reliable for detecting very low differential pressures, even below 10 Pa.

What is the typical response time of the SDP611?

The SDP611 has a fast response time of 0.5 milliseconds. This makes it suitable for dynamic pressure monitoring applications in medical ventilators, automotive engine management, or any system requiring rapid detection of pressure changes.

Is the sensor calibrated, and what is its operating temperature range?

Yes, the SDP611 is factory-calibrated and temperature-compensated. It is designed to operate reliably within an ambient temperature range of -20°C to +85°C, ensuring stable performance across a wide variety of environmental conditions.

Package Includes

  • 1 x Sensirion SDP611 Differential Pressure Sensor

Additional Information

Weight 0.02 kg
Dimensions 8.2 × 3.44 cm