SHT43

Digital humidity sensor with ISO17025 certification

The SHT4x is a digital sensor platform that enables relative humidity and temperature measurements with market-leading performance. This sensor family offers reduced power consumption and its exceptionally small size in a robust DFN housing enables it to be integrated into challenging designs while catering to the highest reliability demands. In particular, every SHT43 exhibits a best-in-class drift of <0.01 °C per year and comes with a unique ISO17025 three-point temperature calibration certificate, which enables cost-effective, high-volume manufacturing e.g. of GDP compliant dataloggers. Calibration certificates and data for full reels and each individual SHT43 can be downloaded from libellus.sensirion.com.

Specification

Humidity
Typ. relative humidity accuracy
1.8
1.8%RH
Operating relative humidity range
0 - 100
0 - 100%RH
Response time (τ63%)
4
4s
Calibration certificate
Factory calibration
Factory calibration
Temperature
Typ. temperature accuracy
0.48
0.48°C
Response time (τ63%)
2
2s
Calibration certificate
ISO/IEC 17025:2017
ISO/IEC 17025:2017
Generic
Supply voltage
1.08 - 3.6
1.08 - 3.6V
Average supply current
0.4
0.4uA
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 0.5mm
Packaging size
2500, 10000
2500, 10000pcs (T&R)

Downloads

Datasheet Libellus

02/2025

File

179.7 KB

Datasheet02/2025PDF179.7 KB
Certified smart tracking

08/2023

File

582.4 KB

Application note08/2023PDF582.4 KB
Calibration certification SHT/STS

08/2021

File

110.4 KB

Certificate08/2021PDF110.4 KB
Datasheet SHT4x

02/2025

File

1.0 MB

Datasheet02/2025PDF1.0 MB
Creep mitigation SHT4xX

05/2022

File

277.8 KB

Application note05/2022PDF277.8 KB
Handling instructions SHT

03/2023

File

453.7 KB

Application note03/2023PDF453.7 KB
Heater decontamination SHT4xX

02/2024

File

386.5 KB

Application note02/2024PDF386.5 KB
Humidity at a glance

06/2021

File

178.3 KB

Application note06/2021PDF178.3 KB
Introduction to humidity

08/2009

File

224.9 KB

Application note08/2009PDF224.9 KB
Specification statement and testing humidity sensors

04/2021

File

306.8 KB

Application note04/2021PDF306.8 KB
Testing at ambient conditions SHT

10/2022

File

443.0 KB

Application note10/2022PDF443.0 KB
Contamination guide for humidity and temperature sensors

10/2024

File

849.1 KB

Guide10/2024PDF849.1 KB
Contamination guide for humidity and temperature sensors chinese

11/2024

File

2.9 MB

Guide11/2024PDF2.9 MB
Design-in guide SHT/STS

04/2024

File

822.1 KB

Guide04/2024PDF822.1 KB
Design-in guide SHT/STS chinese

06/2024

File

1.2 MB

Guide06/2024PDF1.2 MB
Transition guide for SHT3x to SHT4x

05/2024

File

411.2 KB

Guide05/2024PDF411.2 KB
Transition guide for SHTC1 to SHT4x

12/2023

File

387.3 KB

Guide12/2023PDF387.3 KB
Transition guide for SHTC3 to SHT4x

12/2023

File

388.1 KB

Guide12/2023PDF388.1 KB
Transition guide for SHTW2 to SHT4x

08/2020

File

347.9 KB

Guide08/2020PDF347.9 KB
Embedded drivers humidity

Link

SoftwareLink
SEK-ControlCenter (all devices)

Link

SoftwareLink
REACH and RoHS declaration SHT/STS

01/2025

File

91.3 KB

Certificate01/2025PDF91.3 KB
Humidity brochure chinese

06/2023

File

5.1 MB

Flyer06/2023PDF5.1 MB
Humidity brochure japanese

02/2025

File

763.5 KB

Flyer02/2025PDF763.5 KB
Humidity product flyer

10/2024

File

1.0 MB

Flyer10/2024PDF1.0 MB
Indoor air quality brochure

11/2024

Link

7.7 MB

Flyer11/2024Link7.7 MB

Sensor evaluation

Buy the following products to evaluate this sensor

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.