SKU: SENS-3509
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Sensirion SHT31A-DIS-B10KS Humidity & Temperature Sensor, 0 to 100%RH, −40°C to +125°C, ±2%RH, I2C Interface

₹162.00 (Inclusive of all taxes)
Out of Stock

The Sensirion SHT31A-DIS-B10KS is a high-precision digital humidity and temperature sensor with an I2C interface, compatible with 3.3V and 5V logic systems like Arduino, Raspberry Pi, and ESP32. It provides fully calibrated, linearized, and temperature-compensated measurements for reliable environmental monitoring.

Features

  • High-precision digital humidity and temperature sensor with I2C interface.
  • Wide operating range: 0 to 100% RH and −40°C to +125°C.
  • Typical accuracy of ±2% RH and ±0.2°C for reliable measurements.
  • Low-power operation with a supply voltage range from 2.15V to 5.5V.
  • Compact 8-pin DFN package for space-constrained PCB designs.

Out of stock

Description

The SHT31A-DIS-B10KS from Sensirion is a digital humidity and temperature sensor based on the industry-proven CMOSens® technology. It features a fully calibrated, linearized, and temperature-compensated digital output, ensuring high accuracy and long-term stability. The sensor’s robust capacitive sensing element provides reliable performance across a wide humidity and temperature range.

Designed for easy integration, the sensor communicates via a fast I2C interface (up to 1 MHz) and operates from a wide 2.15V to 5.5V supply, making it suitable for battery-powered and portable applications. Its compact DFN package is ideal for space-constrained designs in HVAC systems, weather stations, and industrial monitoring equipment.

Key Features

  • High-Accuracy Sensing: Delivers precise humidity (±2% RH typical) and temperature (±0.2°C typical) measurements.
  • Wide Operating Range: Measures from 0 to 100% relative humidity and from −40°C to +125°C.
  • Fully Digital I2C Output: Provides calibrated, linearized, and temperature-compensated digital signals for easy microcontroller interfacing.
  • Broad Supply Voltage: Operates from 2.15V to 5.5V, supporting both 3.3V and 5V logic systems.
  • Fast Response & Low Power: Features quick measurement cycles and low current consumption for energy-efficient designs.
  • Robust DFN Package: Housed in a compact, surface-mount 8-pin DFN package for reliable performance in demanding environments.
  • NIST Traceability: Ensures measurement precision and compliance with international standards.

Applications

  • HVAC system monitoring and control for building automation.
  • Precision environmental monitoring in weather stations and data loggers.
  • Condition monitoring in industrial processes and manufacturing.
  • Indoor air quality (IAQ) assessment in smart home and office systems.
  • Battery-powered portable devices and IoT sensor nodes.

Technical Specifications

Manufacturer Part NumberSHT31A-DIS-B10KS
Sensor TypeHumidity & Temperature
Humidity Range0 to 100% RH
Temperature Range−40°C to +125°C
Humidity Accuracy±2% RH (typical)
Temperature Accuracy±0.2°C (typical)
Supply Voltage2.15V to 5.5V DC
InterfaceI2C (up to 1 MHz)
Package / Housing8-pin DFN
Operating PrincipleCapacitive Polymer (CMOSens®)

Frequently Asked Questions

What is the operating voltage range for the SHT31A sensor?

The SHT31A-DIS-B10KS operates from a wide supply voltage range of 2.15V to 5.5V DC. This makes it directly compatible with both 3.3V and 5V microcontroller systems like Arduino, Raspberry Pi, and ESP32 without requiring a level shifter.

What communication protocol does this sensor use?

This sensor uses a standard I2C (Inter-Integrated Circuit) serial communication interface. It supports fast mode up to 1 MHz, allowing for high-speed data transfer and easy daisy-chaining with other I2C peripherals on the same bus.

What is the typical accuracy for humidity and temperature measurements?

The SHT31A provides typical accuracies of ±2% relative humidity and ±0.2°C for temperature. These are fully calibrated and linearized values, ensuring reliable and precise environmental data for critical monitoring applications.

Is the sensor output already calibrated?

Yes, the SHT31A is a fully factory-calibrated digital sensor. It provides linearized, temperature-compensated digital output via I2C, eliminating the need for user calibration or complex signal conditioning circuits in your design.

Package Includes

  • 1 x Sensirion SHT31A-DIS-B10KS Humidity & Temperature Sensor

Additional Information

Weight 0.02 kg
Dimensions 1.1 × 0.9 × 0.5 cm