SHT40

±1.8% / max. ±3.5% RH Digital humidity and temperature sensor

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Specification

Humidity
Typ. relative humidity accuracy
1.8
1.8 %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
Response time (τ63%)
2
2 s
Generic
Supply voltage
1.08 - 3.6
1.08 - 3.6 V
Average supply current
0.4
0.4 uA
Operating temperature range [°C]
-40 - 125
-40 - 125 °C
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)

Downloads

Name Type Date File Size
Datasheet SHT4x

04/2024

File

964.0 KB

Datasheet 04/2024 PDF 964.0 KB
Creep mitigation SHT4xX

05/2022

File

277.8 KB

Application note 05/2022 PDF 277.8 KB
Handling instructions SHT

03/2023

File

453.7 KB

Application note 03/2023 PDF 453.7 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
Contamination guide for humidity and temperature sensors

10/2024

File

849.1 KB

Guide 10/2024 PDF 849.1 KB
Contamination guide for humidity and temperature sensors chinese

11/2024

File

2.9 MB

Guide 11/2024 PDF 2.9 MB
Design-in guide SHT/STS

04/2024

File

822.1 KB

Guide 04/2024 PDF 822.1 KB
Design-in guide SHT/STS chinese

06/2024

File

1.2 MB

Guide 06/2024 PDF 1.2 MB
Transition guide for SHT3x to SHT4x

05/2024

File

411.2 KB

Guide 05/2024 PDF 411.2 KB
Transition guide for SHTC1 to SHT4x

12/2023

File

387.3 KB

Guide 12/2023 PDF 387.3 KB
Transition guide for SHTC3 to SHT4x

12/2023

File

388.1 KB

Guide 12/2023 PDF 388.1 KB
Transition guide for SHTW2 to SHT4x

08/2020

File

347.9 KB

Guide 08/2020 PDF 347.9 KB
Embedded drivers humidity

10/2021

Link

-

Software 10/2021 Link -
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
Calibration certification SHT/STS

08/2021

File

110.4 KB

Certificate 08/2021 PDF 110.4 KB
REACH and RoHS declaration SHT/STS

11/2024

File

116.7 KB

Certificate 11/2024 PDF 116.7 KB
Humidity brochure chinese

06/2023

File

5.1 MB

Flyer 06/2023 PDF 5.1 MB
Humidity product flyer

10/2024

File

1.0 MB

Flyer 10/2024 PDF 1.0 MB
Indoor air quality brochure

11/2024

Link

7.7 MB

Flyer 11/2024 Link 7.7 MB

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-SHT40
Humidity and temperature evaluation kit SHT40 SEK-SHTxx Humidity
SENSEVAL-SHT4XV1
Evaluation Board for SHT4x Temperature and Humidity Sensor SENSEVAL-SHT4XV1

Download the respective viewer software to start measuring

Go to download center

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How to get started

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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.