Tuya TH03

Tuya Zigbee Temperature and Humidity Sensor (Model: TH03) User Manual

Monitor your indoor environment with smart connectivity.

1. Product Overview

The Tuya Zigbee Temperature and Humidity Sensor (Model TH03) is a smart device designed to accurately measure and monitor the temperature and humidity levels in your indoor environment. It features an easy-to-read LCD screen and integrates seamlessly with popular smart home platforms like Tuya Smart Life, Amazon Alexa, Google Home, Apple HomeKit, and Yandex Alice, allowing for remote monitoring, automation, and voice control.

Tuya Zigbee Temperature Humidity Sensor with LCD display and smart home logos
Front view of the Tuya Zigbee Temperature and Humidity Sensor, showing the LCD display and compatibility with various smart home platforms.

2. Package Contents

Note: 1 x CR2032 button battery is required but NOT included in the package due to shipping restrictions.

3. Specifications

FeatureSpecification
Model NumberTH03
ConnectivityZigbee 3.0
Temperature Range-50°C ~ 70°C (14°F ~ 158°F)
Humidity Range10% ~ 99% RH
Battery Type1 x CR2032 button battery (not included)
MaterialABS, Electronic component
Dimensions (approx.)4 cm (Length) x 4 cm (Width) x 1 cm (Height)
Smart Home PlatformsTuya, Smart Life, Amazon Alexa, Google Assistant, Apple HomeKit, Yandex Alice
CertificationCE

4. Setup Guide

4.1 Important Prerequisite: Zigbee Gateway

This device requires a Zigbee gateway (hub) to function and connect to your smart home network. Ensure you have a compatible Tuya Zigbee Hub or Tuya Multimode Gateway.

Diagram showing Zigbee Smart Switches setup with WiFi router, Gateway, App Control, Voice Control, and the sensor.
Diagram illustrating the connection flow: Zigbee sensor connects to a Gateway (Hub), which connects to a WiFi router, enabling App and Voice Control.

4.2 Battery Installation

  1. Locate the battery compartment on the back of the sensor.
  2. Open the battery cover.
  3. Insert one CR2032 button battery. Ensure the '+' symbol on the battery is pointing upwards as indicated in the compartment.
  4. Close the battery cover securely.
Image showing the back of the sensor with the battery compartment open, indicating where to insert the CR2032 battery with the '+' symbol facing up.
Battery installation guide: Insert CR2032 battery with the '+' symbol facing upwards.

4.3 Pairing with Tuya Smart Life App

  1. Ensure your Zigbee gateway is powered on and connected to your home Wi-Fi network.
  2. Download and open the "Tuya Smart" or "Smart Life" app on your smartphone (available on Google Play and App Store).
  3. Register or log in to your account.
  4. In the app, add your Zigbee gateway if you haven't already.
  5. Put the sensor into pairing mode (refer to the sensor's specific pairing instructions, usually involving a button press).
  6. In the app, follow the instructions to add a new device. Select the temperature and humidity sensor from the list of available devices.
  7. Once successfully paired, the sensor will appear in your device list in the app.

4.4 Placement Options

The sensor offers flexible placement options to suit your needs:

Images showing the sensor placed on a table, attached to a wall, and hung on a door.
Multiple usage options for the sensor: tabletop, wall-mounted, or hung.

5. Operating Instructions

5.1 Real-time Monitoring

Once connected, the sensor provides real-time temperature and humidity readings on its LCD screen and within the Tuya Smart Life app. You can monitor your indoor environment remotely from anywhere at any time via your smartphone.

Image showing a smartphone displaying the Tuya Smart Life app with real-time temperature and humidity readings, next to the sensor in a kitchen setting.
Remote monitoring of indoor environment via the Tuya Smart Life app.

5.2 Temperature and Humidity Records

The app allows you to view the historic curve of temperature and humidity data. You can track changes over time (day, month, year) and export this data to your email address for further analysis.

Smartphone screen showing a data graph of temperature and humidity over time, with an option to export to email.
View historical temperature and humidity records and export data via the app.

5.3 Temperature Unit Switch (°F / °C)

You can switch between Celsius (°C) and Fahrenheit (°F) units. After changing the temperature unit in the app, it will automatically sync and update on the sensor's LCD screen.

Two sensors displaying temperature in Celsius (26.3°C) and Fahrenheit (78.8°F) respectively.
The sensor supports switching between Celsius and Fahrenheit display units.

5.4 Temperature and Humidity Alarms

Set custom temperature and humidity ranges within the app's "Scene" page. If the measured temperature or humidity falls outside your preset range, you will receive an alarm notification on your mobile device.

Image showing the sensor in a baby's room, indicating the temperature and humidity alarm feature.
Set temperature and humidity alarms to receive mobile notifications when levels are outside the desired range.

5.5 Smart Automations

Leverage the sensor data to create smart automations within the Tuya Smart Life app:

Smartphone app showing automation rules for humidity control, turning a humidifier on/off based on sensor readings.
Example of humidity control automation: humidifier turns on/off based on sensor data.
Smartphone app showing automation rules for temperature control, turning an air conditioner on/off based on sensor readings.
Example of temperature control automation: air conditioner turns on/off based on sensor data.

5.6 Voice Control Integration

The sensor supports integration with popular voice assistants. Once linked to your smart home platform (e.g., Tuya Smart Life), you can inquire about the indoor temperature and humidity by speaking to your smart speaker (Amazon Alexa, Google Assistant, Yandex Alice).

A child interacting with smart speakers (Amazon Echo Dot and Google Home) to ask for temperature and humidity readings from the sensor.
Voice control with Alexa and Google Home to check temperature and humidity.

5.7 Intuitive Comfort Indicator

The sensor's display includes intuitive expressions (emojis) to help you easily understand the comfort level of your indoor environment:

Diagram showing comfort indicators: a happy face for suitable temperature and humidity (18-28°C, 40-65%RH) and a sad face for poor comfort outside this range.
Intuitive comfort indicators on the sensor display.

6. Maintenance

6.1 Low Battery Reminder

The sensor will push an alarm message via the app when the battery power is low, reminding you to change the battery.

Graphic illustrating a low battery reminder, showing a battery icon with low charge.
Low battery reminder feature.

6.2 Battery Replacement

When you receive a low battery reminder, replace the CR2032 button battery by following the steps in Section 4.2 Battery Installation.

6.3 Cleaning

Wipe the sensor with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.

7. Troubleshooting

8. Warranty and Support

This product is covered by AliExpress's buyer protection policies:

For further assistance, please contact the seller or AliExpress customer support through your order details page.

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