SKU: SENS-1006
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Sensirion SHT41-AD1F-R2 Humidity & Temperature Sensor ±1%RH, I2C, Automotive

₹349.00 (Inclusive of all taxes)
Out of Stock

The Sensirion SHT41-AD1F-R2 is a high-precision digital humidity and temperature sensor designed for demanding automotive and industrial applications. It features an I2C FM+ interface compatible with 3.3V microcontrollers and offers NIST-traceable calibration for reliable environmental monitoring.

Features

  • High accuracy: ±1.0 %RH humidity and ±0.1 °C temperature.
  • Wide operating range: −40 to 125 °C and 0 to 100 %RH.
  • Ultra-low power: 0.4 µA average current for battery-powered systems.
  • I2C FM+ interface with multiple selectable addresses.
  • Includes NIST-traceable 3-point calibration certificate (ISO 17025).

Out of stock

Description

The SHT41-AD1F-R2 leverages Sensirion’s CMOSens® technology, integrating a capacitive polymer humidity sensor and a band-gap temperature sensor on a single chip. This digital sensor provides fully calibrated, linearized signals via a robust I2C Fast Mode Plus interface, ensuring excellent signal integrity even in electrically noisy environments.

Engineered for harsh conditions, the sensor features a patented PTFE membrane and a removable protective cover to shield the sensing element from contaminants and condensation. An integrated power heater with three adjustable levels allows for reliable operation in condensing environments and facilitates in-field diagnostics.

Key Features

  • High-precision digital humidity and temperature sensor with automotive-grade reliability.
  • Ultra-low power consumption profile ideal for wireless and battery-powered nodes.
  • Robust I2C FM+ digital interface with CRC data integrity check.
  • Patented PTFE membrane and protective cover for enhanced durability against contaminants.
  • Integrated power heater for operation in condensing or high-humidity environments.
  • Wide operating range supports applications from extreme cold to high temperatures.
  • Factory calibrated with a unique serial number and NIST-traceable certificate.
  • Fully functional across the entire 0–100% RH range, including condensing conditions.

Applications

  • Automotive cabin air quality and climate control systems.
  • Industrial process monitoring and environmental control.
  • HVAC system efficiency and dew point monitoring.
  • Battery-powered wireless sensor networks for building automation.
  • Precision agriculture and greenhouse climate monitoring.

Technical Specifications

Manufacturer Part NumberSHT41-AD1F-R2
Sensor TypeDigital Humidity & Temperature
Humidity Accuracy±1.0 %RH
Temperature Accuracy±0.1 °C
Humidity Range0 to 100 %RH
Temperature Range−40 to 125 °C
Supply Voltage3.3 to 3.6 V
Average Current0.4 µA
Idle Current80 nA
InterfaceI2C Fast Mode Plus (FM+)
Response Time (τ63%)8 s
CalibrationNIST-traceable 3-point (ISO 17025)
ProtectionPatented PTFE membrane, removable cover
PackageDFN type

Frequently Asked Questions

What is the supply voltage range for the SHT41-AD1F-R2 sensor?

The SHT41-AD1F-R2 operates from a 3.3V to 3.6V supply voltage. The I2C interface pins are tolerant to voltages from -0.3V to 5.5V, allowing for safe interfacing with 5V logic microcontrollers using appropriate level shifting if necessary.

How does the integrated heater function, and when should it be used?

The sensor features an integrated power heater with three adjustable power levels. It is primarily used to evaporate condensation from the sensing element, ensuring reliable operation in saturated environments. It can also be used for in-field diagnostic checks of sensor functionality.

Is this sensor suitable for battery-powered applications?

Yes, its ultra-low power consumption profile—with an average current of 0.4 µA and an idle current of 80 nA—makes it ideal for battery-powered and energy-harvesting wireless sensor nodes where long-term operation is critical.

What does the NIST-traceable calibration certificate provide?

The included NIST-traceable 3-point calibration certificate, compliant with ISO 17025, provides documented assurance of the sensor's accuracy. It allows for measurement traceability to international standards, which is essential for quality control, regulatory compliance, and high-reliability industrial applications.

Package Includes

  • 1 x Sensirion SHT41-AD1F-R2 Humidity & Temperature Sensor

Additional Information

Weight 0.005 kg
Dimensions 0.15 × 0.15 cm