SHT40-BD1B-R2 datasheet(22/24 Pages) SENSIRION

22 / 24 page

www.sensirion.com / D1

Version 7.1 – March 2025

22 / 24

12 Revision History

Date

Version

Pages

Changes

October 2020

all

Initial release

July 2021

multiple

Typo correction

Included checksum in Figure 1

Included description of NIST traceability in section 2

Included repeatability clarification in Table 1

Clarified I2C communication in section 4.1

Removed waiting time specification in Table 5

Specified serial number in section 4.7

Updated qualification status in section 6

Deleted binary com. & included return values in Table 8

Updated note on duty cycle of heater in section 4.9

Added note on large current drawn by heater in section 4.9

Updated ordering information in Table 12

March 2022

multiple

Included SHT45 RH- and T-accuracy specifications.

Extended max. heater duty cycle to 10%

Reduced RH response time to 4s in Table 1

Reduced long-term drift to <0.2%RH/y in Table 1

Reduced hysteresis to 0.8 %RH at 25 °C Table 1

Updated max. measurement times in Table 5

Included I2C communication timing in section 4.2

Introduced new product version in Table 11

Updated ordering information in Table 12

November 2022

All

Updated Datasheet with new SHT43

Edited Table 1 with SHT43 data

Inserted Figure 4

Edited Table 2 with SHT43 data

Inserted Figure 8

Inserted Figure 12 for SHT43

Inserted section 2.4

Inserted Figure 16 or filter membrane

Added footnote for Laser marking of protective options

Inserted section 6 about protective options

Added Figure 20 showing protective cover

Inserted Figure 22

Updated Table 11 with SHT43 (3 & C)

Updated Table 12 with SHT43-ABDC-R3

January 2023

Added SHT43-BDCB-R3 to Table 12

February 2023

Typo correction C= I2C Address 0x46, table formatting

March 2023

6.1

Added power consumption 0.4 μW in general description

Added remark on saving computation resources on page 12

August 2023

6.2

All

Reformatting and typo correction

Inserting 25°C in Figure 6 - Figure 9

Updated Section 4.2

Inserted comment in Section 6.1 reagrding IP67

Correcting Reel Diameter to 7 inch in section 8

SHT40-BD1B-R2 数据表(PDF) 22 Page - Sensirion AG Switzerland

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