The Relative Humidity Measurement cluster (0x0405) is a Matter cluster that Reports relative humidity percentage, used by humidity sensors.. It defines 4 attributes and is mandatory for 5 device types.

Last updated 18 Jun 2026

Relative Humidity Measurement 0x0405

Application Cluster

Measurement

Introduced in: Matter 1.0

Devices: 41

Reports relative humidity percentage, used by humidity sensors.

Spec History

This cluster's ClusterRevision across the Matter releases it has shipped in. Click a version to inspect the cluster as it existed in that release.

Matter 1.0 rev 3 Matter 1.1 rev 3 Matter 1.2 rev 3 Matter 1.3 rev 3 Matter 1.4 rev 3 Matter 1.5 rev 3 Matter master rev 3

Attributes 4

Code	Name	Type
0x0000	MeasuredValue max 10000 · nullable	int16u
0x0001	MinMeasuredValue max 0x270F · nullable	int16u
0x0002	MaxMeasuredValue 0x0001..0x2710 · nullable	int16u
0x0003	Tolerance max 0x0800	int16u