SHT40-AD1F datasheet(21/22 Pages) SENSIRION

21 / 22 page

www.sensirion.com / D1

Version 4

– November 2022

21/22

12 Revision History

Date

Version

Page(s)

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 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 11

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 in Table 1

Updated max. measurement times in Table 5

Included I2C communication timing in section 4.2

Introduced new product version in Table 10

Updated ordering information in Table 11

November 2022

all

All

Updated Datasheet with new SHT43

New Features and General Description and Device Overview

Edited Table 1 with SHT43 data

Inserted Figure 4. SHT43 typical and maximal relative

humidity accuracy at 25 °C.

Edited Table 2 with Sht43 data Table

2. General

temperature sensor specifications.

Inserted Figure 8. Typical RH accuracy tolerance over

humidity and temperature for SHT43

Inserted Figure 12 for SHT 43

Inserted section 2.4 ISO17025 certification with 3-point

calibration data

Inserted Figure 16 for filter membrane

Added footnote 13 for Laser marking of protective options

Inserted section 6 about protective options

Inserted Figure 20 showing protective cover

Inserted Figure 22. Tape and reel specification including

sensor orientation in pocket of sensor with membrane option.

Updated Product Name Nomenclature with SHT43 (3 & C)

Updated Ordering Information with SHT43-ABDC-R3

Reformatting

SHT40-AD1F Datasheet(PDF) 21 Page - Sensirion AG Switzerland

SHT40-AD1F Datasheet(HTML) 21 Page - Sensirion AG Switzerland

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