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

Name: Sensirion SHT31A-DIS-B2.5KS Humidity &amp; Temperature Sensor - I2C Interface, AEC-Q100 Qualified
Brand: Sensirion
SKU: SENS-1008
Price: 429.00 INR
Availability: OutOfStock

₹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

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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 Number	SHT31A-DIS-B2.5KS
Sensor Type	Digital Humidity & Temperature
Humidity Accuracy	±2% RH (typical)
Temperature Accuracy	±0.3°C (typical)
Humidity Range	0% to 100% RH
Temperature Range	-40°C to 125°C
Supply Voltage	2.4 V to 5.5 V DC
Digital Interface	I2C (up to 1 MHz)
I2C Addresses	Two user-selectable
Qualification	AEC-Q100
Package Type	DFN
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.