SHT40I-AD1B

±2% Digital humidity and temperature sensor

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Specification

Humidity
Typ. relative humidity accuracy
2
2 %RH
Operating relative humidity range
0 - 100
0 - 100 %RH
Response time (τ63%)
4
4 s
Calibration certificate
Factory calibration
Factory calibration
Temperature
Typ. temperature accuracy
0.2
0.2 °C
Operating temperature range
-40 - 125
-40 - 125 °C
Response time (τ63%)
2
2 s
Generic
Supply voltage
2.3 - 5.5
2.3 - 5.5 V
Average supply current
21
21 uA
Max. supply current
350
350 uA
Interfaces
I²C
I²C
Size (LxWxH)
1.5 x 1.5 x 0.5
1.5 x 1.5 x 0.5 mm³
Packaging size
2500, 10000
2500, 10000 pcs (T&R)

Technical downloads

Name Type Date File Size
Datasheet SHT4xI-Digital

08/2023

File

962.2 KB

Datasheet 08/2023 PDF 962.2 KB
Transition from SHT3x to SHT4x

12/2022

File

410.7 KB

Application note 12/2022 PDF 410.7 KB
Transitioning from SHTW2 to SHT4x

08/2020

File

347.9 KB

Application note 08/2020 PDF 347.9 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Viewer software 10/2021 Link -
Creep mitigation SHT4xX

05/2022

File

277.8 KB

Application note 05/2022 PDF 277.8 KB
Handling instructions SHT

03/2023

File

456.8 KB

Application note 03/2023 PDF 456.8 KB
Heater decontamination SHT4xX

02/2024

File

386.5 KB

Application note 02/2024 PDF 386.5 KB
Humidity at a glance

06/2021

File

178.3 KB

Application note 06/2021 PDF 178.3 KB
Introduction to humidity

08/2009

File

224.9 KB

Application note 08/2009 PDF 224.9 KB
Specification statement and testing humidity sensors

04/2021

File

306.8 KB

Application note 04/2021 PDF 306.8 KB
Testing at ambient conditions SHT

10/2022

File

443.0 KB

Application note 10/2022 PDF 443.0 KB
Water Activity Measurement aW

04/2023

File

182.0 KB

Application note 04/2023 PDF 182.0 KB
Embedded drivers humidity

10/2021

Link

-

Software 10/2021 Link -
Calibration certification SHT/STS

08/2021

File

110.4 KB

Certificate 08/2021 PDF 110.4 KB
Humidity brochure chinese

06/2023

File

5.1 MB

Flyer 06/2023 PDF 5.1 MB
Humidity sensors brochure

01/2022

File

936.7 KB

Flyer 01/2022 PDF 936.7 KB

Accessories

Name Description Series Category
SF2 filter cap
Filter cap for SHT2x to SHT4x humidity and temperature sensors SFx filter cap Humidity

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SensorBridge
Connecting bridge with two sensor ports SEK-SensorBridge
SEK-SHT40I
Digital humidity and temperature evaluation kit SEK-SHTxx Humidity

Download the respective viewer software to start measuring

Go to download center

Start testing our sensors fast and easy with the evaluation kits

How to get started

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.