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Version 3.3 – November 2024

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Revision history

Date

Version

Pages / Sections

Changes

Oct 2020

1.1

all

Last Datasheet for STC31

April 2024

3.0

all

First release for STC31-C

June 2024

3.1

all

Minor corrections

3.3.10

Chapter Self Test rewritten with new recommendations

1.1

Precise definition for measurement unit vol% added

4.2

Land pattern recommendation added

3.3.2 – 3.3.6

Wording and clarity of text

Sept. 2024

3.2

all

Minor corrections of spelling and format

3.2

Added additional information for handing NACK response to

CRC byte

3.3.7

Added clarification: The resulting correction is only valid for the

active measurement mode, binary gas and range.

Nov. 2024

3.3

1.1

Added clarification to footnote 7 “Noise”: Noise may be higher

or lower at other measurement conditions.

2.4

Low-noise concentration measurement duration changed from

66 to 75 ms. (Incorrect declaration – no product change)

3.3.14

Corrected reference:

Implement and test the Sensor state retention sequence as

described in section 3.3.12 before implementing the sleep

sequence.