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Excellux ZG-109TDS in Home Assistant

Climate sensors · Zigbee · Probe Temperature with EC && TDS && Salinity && SG && ht(humidity and temperature) Sensor

Zigbee2MQTT No quirk

Zigbee2MQTT has a definition for this device. ZHA has no quirk for it – many devices work in ZHA without one, but features outside the Zigbee standard may be missing.

Facts about this device

Brand
Excellux
Model
ZG-109TDS
Device type
Climate sensors
Radio
Zigbee
Power
Battery
Reports itself as
DTS1XM9
Zigbee2MQTT
Device page on zigbee2mqtt.io

How the device gets into Home Assistant

  • official ZHA – with a Zigbee coordinator and the ZHA integration. A device that follows the Zigbee standard works without a quirk; how completely this model does is not confirmed. Integration
  • add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT. Integration · Source

Known problems and fixes

Changes proposed for ZHA

  • pull request A pull request proposes adding support for the Excellux ZG-109TDS water quality sensor, which is not currently recognized. This would allow Home Assistant to read water quality data from the sensor. since July 30, 2026 · zha-device-handlers #5219

ZHA quirks for this device

There is no quirk for this device – neither in ZHA nor proposed or shared as a custom quirk.

All quirks in the ZHA quirk database →

Alternatives

The same job from other makers – devices of the same type and radio that work with Home Assistant too.

Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.

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