• Megatrends

    • Indoor air quality

      The air we breathe is the basis of a healthy life: how to measure and improve it

    • Digital health

      Patient-focused sensor technology is shaping the future of healthcare

    • Autonomous Driving

      Monitoring water ingress to make safe autonomous driving a reality

    • Energy transition

      The energy transition is key to a sustainable future – driven by innovative technologies and smart solutions

  • Applications

      • Smart inhalers
      • Breath analyzers
      • Subcutaneous drug delivery
      • Mechanical ventilators
      • Infusion
      • Anesthesia machines
      • CPAP devices
      • Heart-lung machines
      • Nitric oxide therapy
      • Urine flow measurement
      • Battery energy storage systems
      • Chip mounters
      • Clean cooking
      • Combustion control
      • Front opening unified pods
      • Gas analyzers
      • Gas meters
      • Humidity in oil
      • Photoresist dosing
      • Surface coating/treatment
      • Gas purging
      • Transport of pharmaceutical goods
      • Transport of perishable goods
      • Bioreactors
      • Condition monitoring & instrument diagnostics
      • Custom manifold solutions
      • DNA sequencing
      • Flow cytometry
      • Gas chromatography
      • Liquid chromatography
      • Mass spectrometry
      • Microfluidics
      • Thermal analysis
      • Refrigerators
      • Demand-controlled ventilators
      • Room sensors
      • VAV controllers
      • Filter monitoring
      • Refrigerant leakage detection
      • Air conditioners
      • Air purifiers
      • Thermostats
      • Indoor air quality monitors
      • Smart speakers
      • Air intake
      • Antifogging
      • Brake-by-wire systems
      • Humanoid robots
      • H2 monitoring in fuel cells
      • LiDAR systems
      • Safety of electric vehicles
      • Steer-by-wire systems

  • Products

      • Find your product
      • Humidity
      • Temperature
      • VOCs/NOx
      • Formaldehyde
      • CO₂
      • Particulate matter
      • Refrigerants
      • Liquid flow
      • Differential pressure
      • Gas flow
      • Mass flow controllers
      • Gas metering solutions
      • Gas analyzers
      • Evaluation kits
      • ControlCenter
      • SEK-SensorBridge
      • Humidity/temperature
      • VOCs/NOx
      • Formaldehyde
      • CO₂
      • Particulate matter
      • Liquid flow
      • Differential pressure
      • Gas flow sensors
      • Mass flow controllers
      • Download center
      • Evaluation kits
      • Demonstrators and apps
      • FAQ
      • Support form
      • Distributors
      • GitHub
      • Developer website
      • Distributors' inventory
      • Distributors
      • Representatives
      • Partner access
      • Contact form
      • Customized sensors
      • Development

  • Career

      • Find your dream position
      • Working at Sensirion
      • Our locations
      • Our teams
      • Our entities
      • Professionals
      • Graduates
      • Students
      • Apprentices
      • News
      • Events
      • Newsletter
      • WhatsApp news
      • Employee stories

    • Contact our P&C Team

  • Company

      • Company profile
      • Locations
      • Contact
      • Sustainability compliance
      • Energy efficency
      • Improving health
      • Ensuring safety and comfort
      • Technology
      • Encouraging innovation
      • Quality and reliability
      • All news
      • Press releases & news
      • Specialist articles
      • Events
      • Webinars
      • Newsletter
      • At a glance
      • Share information
      • Ad-hoc news
      • Financial newsletter
      • Events
      • Results and reports
      • Annual general meeting
      • Corporate governance
      • Sustainability

    • We make the difference in sensing for a better world.

      Future innovations

Directly to

  • Support
  • Product catalog
  • Newsroom
  • Work at Sensirion
  • Technical downloads

Sensirion

  • Developers platform
  • Sensirion Automotive Solutions
  • Qmicro by Sensirion
  • Sensirion Connected Solutions

Contact us

  • General request
  • Support request
  • Newsletter registration

Legal notice© Sensirion AG

  • All products
  • Humidity
  • SEK-SHTxx

SEK-SHT40I-HD1B

Analog humidity and temperature evaluation kit

- Evaluation kit for SHT40I-HD1B sensors - 4.5 V to 5.5 V supply voltage  Includes: - 3x SHT40I-HD1B on FPCB - 1x RJ45 adapter cable (1 meter length) 1x SEK-SensorBridge required Please note: The Evaluation Kit currently only has a RH output, no T output.

See inventoryContact sales

Downloads

Datasheet SHT4xI-Analog

03/2025

File

691.9 KB

Datasheet03/2025PDF691.9 KB
Handling instructions SHT

06/2025

File

470.2 KB

Application note06/2025PDF470.2 KB
Testing at ambient conditions SHT

10/2022

File

443.0 KB

Application note10/2022PDF443.0 KB
Arduino driver SHT

Link

SoftwareLink
Embedded drivers humidity

Link

SoftwareLink
SEK-ControlCenter (all devices)

Link

SoftwareLink

Compatible products

SHT40I-HD1B±2.5% Analog humidity sensor for industrial applicationsSHT4xIHumidity

SHT40I-HD1B

±2.5% Analog humidity sensor for industrial applications

SHT4xI

Humidity
Close

SEK-SHT40I-HD1B

SEK-SHT40I-HD1B-Sensors

Close
Loading...

Smart sensors for your application

Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.

  • Home
  • Products
  • Product catalog
  • SEK-SHT40I-HD1B

Latest Humidity sensors

Explore
±1.8% / max. ±2.5% RH digital humidity and temperature sensor with protective cover
New

SHT41-AD1P-R2

±1.8% / max. ±2.5% RH digital humidity and temperature sensor with protective cover

  • Sensor
  • Humidity
±1.8% / max. ±3.5% RH digital humidity and temperature sensor with protective cover
New

SHT40-AD1P-R2

±1.8% / max. ±3.5% RH digital humidity and temperature sensor with protective cover

  • Sensor
  • Humidity
ASIL-A safety element out of context humidity sensor
Upcoming

SHT41A-AWSB

ASIL-A safety element out of context humidity sensor

  • Sensor
  • Humidity
±2% Digital humidity and temperature sensor / 0x45 I2C Output
New

SHT40I-BD1B

±2% Digital humidity and temperature sensor / 0x45 I2C Output

  • Sensor
  • Humidity
±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x46 I2C Output
New

SHT40-CD1B

±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x46 I2C Output

  • Sensor
  • Humidity
±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x45 I2C Output
New

SHT40-BD1B

±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x45 I2C Output

  • Sensor
  • Humidity
±2% humidity sensor for automotive applications / I2C interface
New

SHT41A-BD1B

±2% humidity sensor for automotive applications / I2C interface

  • Sensor
  • Humidity

Global Distributors

Part numberQuantityDistributor nameCountryUploaded
SEK-SHT40I-HD1B-SENSORS8Mouser Electronics Inc.27 countries05.12.2025Buy
SEK-SHT40I-HD1B-SENSORS6DigiKeyUS, DE, HK04.12.2025Buy
SEK-SHT40I-HD1B-SENSORS4Farnell, An Avnet Company10 countries04.12.2025Buy

EMEA (Europe)

Part numberQuantityDistributor nameCountryUploaded
SEK-SHT40I-HD1B-SENSORS8SOS electronic s.r.o.PL, HU, CZ, SK, DE04.12.2025Buy

APAC (Asia)

Part numberQuantityDistributor nameCountryUploaded
SEK-SHT40I-HD1B-SENSORS4element14SG04.12.2025Buy

The Americas

Part numberQuantityDistributor nameCountryUploaded
SEK-SHT40I-HD1B-SENSORS3Newark, An Avnet CompanyUS04.12.2025Buy