SKU: SENS-1008
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Sensirion SHT31A-DIS-B2.5KS Humidity & Temperature Sensor - I2C Interface, AEC-Q100 Qualified

₹429.00 (Inclusive of all taxes)
Out of Stock

The Sensirion SHT31A-DIS-B2.5KS is an automotive-grade digital humidity and temperature sensor module with an I2C interface, designed for high-reliability applications. It provides fully calibrated, temperature-compensated measurements and is compatible with 3.3V and 5V microcontroller systems like Arduino, Raspberry Pi, and industrial PLCs.

Features

  • Automotive-grade AEC-Q100 qualified for demanding environments
  • High accuracy: ±2% RH and ±0.3°C typical
  • Wide supply voltage range: 2.4 V to 5.5 V DC
  • Fast I2C interface with speeds up to 1 MHz
  • Extended operating range: -40°C to 125°C, 0% to 100% RH

Out of stock

Description

The SHT31A-DIS-B2.5KS is a digital humidity and temperature sensor based on Sensirion’s CMOSens® technology, which integrates the sensor element, signal processing, and digital calibration on a single chip. This MEMS-based capacitive sensing principle ensures high signal integrity and long-term stability. The sensor’s output is fully linearized and temperature-compensated, providing reliable data for critical control systems.

Engineered for harsh conditions, this automotive-grade sensor meets AEC-Q100 qualification, ensuring performance across a wide temperature range with minimal drift. Its fast response time and low power consumption make it suitable for battery-powered or energy-sensitive applications requiring precise environmental monitoring.

Key Features

  • Automotive AEC-Q100 qualified for high reliability in demanding applications
  • High-precision digital humidity and temperature sensing with excellent long-term stability
  • Wide operating voltage range (2.4V to 5.5V) for flexible system integration
  • Fast I2C digital interface (up to 1 MHz) with two user-selectable addresses
  • Fully calibrated, linearized, and temperature-compensated digital output
  • Extended measurement range from -40°C to 125°C and 0% to 100% RH
  • Optimized performance-to-cost ratio in a compact DFN package

Applications

  • Automotive cabin climate control and battery thermal management systems
  • Industrial process monitoring and control in harsh environments
  • HVAC and building automation for energy efficiency
  • Data center and server rack environmental monitoring
  • Portable medical devices and diagnostic equipment requiring stable readings

Technical Specifications

Manufacturer Part NumberSHT31A-DIS-B2.5KS
Sensor TypeDigital Humidity & Temperature
Humidity Accuracy±2% RH (typical)
Temperature Accuracy±0.3°C (typical)
Humidity Range0% to 100% RH
Temperature Range-40°C to 125°C
Supply Voltage2.4 V to 5.5 V DC
Digital InterfaceI2C (up to 1 MHz)
I2C AddressesTwo user-selectable
QualificationAEC-Q100
Package TypeDFN
Dimensions (L x W)2.5 x 2.5 mm

Frequently Asked Questions

What is the operating voltage range for the SHT31A sensor?

The SHT31A-DIS-B2.5KS operates from 2.4 V to 5.5 V DC, making it compatible with both 3.3V and 5V logic systems commonly found in Arduino, Raspberry Pi, and industrial microcontroller platforms.

How do I communicate with this sensor and can I connect multiple units?

Communication is via the I2C serial interface, which supports clock speeds up to 1 MHz. The sensor features two user-selectable I2C addresses, allowing you to connect two SHT31A sensors on the same bus without address conflicts.

What environments is this sensor suitable for?

This sensor is AEC-Q100 qualified, meaning it is designed and tested for reliability in demanding automotive applications. It operates across an extended temperature range of -40°C to 125°C and 0% to 100% relative humidity.

Is the sensor output calibrated, and what is its accuracy?

Yes, the sensor provides fully calibrated, linearized, and temperature-compensated digital output. Typical accuracy is ±2% for relative humidity and ±0.3°C for temperature, ensuring precise measurements for control systems.

Package Includes

  • 1 x Sensirion SHT31A-DIS-B2.5KS Humidity & Temperature Sensor

Additional Information

Weight 0.0005 kg
Dimensions 0.25 × 0.25 cm