Inkbird IBS-TH3-WiFi
INKBIRD IBS-TH3 WiFi Thermometer Hygrometer Monitor User Manual
Model: IBS-TH3-WiFi | Brand: Inkbird
Introduction
The INKBIRD IBS-TH3 WiFi Thermometer Hygrometer Monitor is a smart device designed to remotely monitor temperature and humidity. It connects via 2.4GHz WiFi, allowing for remote monitoring through the INKBIRD App. Key features include real-time data display, historical data storage for up to one year, smart alert functions for temperature and low battery, and data export capabilities. Its compact design makes it suitable for various environments such as greenhouses, wine cellars, baby rooms, and more.
What's in the Box
- 1 x INKBIRD WiFi Temperature Humidity Monitor Sensor (IBS-TH3)
- 1 x User Manual
- Note: 3 AAA Batteries are required and not included.

Image: The INKBIRD IBS-TH3 device shown alongside its retail packaging and user manual.
Setup Guide
1. Install Batteries
Open the battery compartment on the back of the device and insert three AAA batteries, ensuring correct polarity. Close the compartment securely. The indicator light on the device will flash, indicating it has powered on.

Image: The INKBIRD IBS-TH3 device with its back cover removed, showing the battery compartment for three AAA batteries and internal circuitry.
2. Download and Register the INKBIRD App
Scan the QR code provided in the physical user manual or search for "INKBIRD" in your mobile device's app store (Google Play Store for Android or Apple App Store for iOS). Download and install the app. Register a new account or log in if you already have one.
3. Connect to 2.4GHz WiFi
The IBS-TH3 supports 2.4GHz WiFi networks only. 5GHz WiFi is not supported. Ensure your mobile device is connected to a 2.4GHz WiFi network before proceeding with the pairing process.

Image: A close-up of the INKBIRD IBS-TH3 device, highlighting its compact size and the WiFi signal icon indicating connectivity.
4. Add Device in the App
- Open the INKBIRD App.
- Tap the "+" icon or "Add Device" to begin the pairing process.
- Select the IBS-TH3 from the list of available devices.
- Follow the on-screen instructions to connect the device to your WiFi network. This typically involves pressing and holding the button on the device for 5-8 seconds until the indicator light enters connection state, then entering your WiFi password in the app.
- Once successfully paired, the device will appear in your app's device list.

Image: A visual guide showing the step-by-step process of adding the INKBIRD IBS-TH3 device within the INKBIRD mobile application, including WiFi selection and pairing confirmation.

Image: The INKBIRD IBS-TH3 device positioned next to a smartphone, which displays the INKBIRD application interface showing real-time temperature and humidity readings.
Setup Video
Video: An official product video demonstrating the setup process and key features of the INKBIRD IBS-TH3 WiFi Thermometer Hygrometer Monitor, including app connection and remote monitoring capabilities.
Operating Instructions
Remote Monitoring via App
Once connected to WiFi, you can monitor temperature and humidity remotely from anywhere using the INKBIRD App. The app provides real-time data, historical graphs, and allows you to set recording time intervals.

Image: An illustration showing the INKBIRD IBS-TH3 device connected to a 2.4GHz WiFi network, enabling remote monitoring via the mobile app without distance limitations, as long as there is good WiFi signal coverage.

Image: A screenshot of the INKBIRD app widget on a smartphone, showing current temperature (78.5°F) and humidity (44.3%) readings for the IBS-TH3 device.
Smart Alert Function
Set custom temperature and humidity ranges within the INKBIRD App. If readings go outside your set parameters, you will receive instant notifications on your mobile device. The app also provides low battery reminders.

Image: A smartphone screen showing push notifications from the INKBIRD app, indicating a low battery alert and a high temperature alert for the IBS-TH3 device.

Image: An illustration depicting the INKBIRD smart alert function, showing the device emitting a signal and a smartphone receiving notifications for low battery and high temperature.
Data Storage and Export
The device stores data on the server for up to one year. You can view historical data in charts within the app and export it for further analysis.

Image: A smartphone displaying temperature and humidity data graphs within the INKBIRD app, with a couple in the background looking at another phone, illustrating data storage and export features.

Image: The INKBIRD IBS-TH3 device on a wooden desk next to a laptop displaying a spreadsheet, demonstrating the capability to store and export data to a server for analysis.

Image: An illustration showing the INKBIRD device wirelessly connecting to a smartphone and a computer, indicating the ability to view and export data from the app to a spreadsheet.
Voice Control with Alexa
The INKBIRD IBS-TH3 can be integrated with Amazon Alexa for voice control. After linking your INKBIRD account in the Alexa app, you can ask Alexa for temperature and humidity readings.

Image: The INKBIRD IBS-TH3 device placed near an Amazon Echo Dot, with speech bubbles illustrating voice commands like "Alexa, what is the temperature of TH3?" and "Alexa, what is the humidity of TH3?".
Alexa Connection Video
Video: An official product video demonstrating the process of connecting the INKBIRD IBS-TH3 WiFi temperature and humidity sensor monitor to Amazon Alexa for voice control.
Maintenance
Battery Replacement
The device requires three AAA batteries. When the battery level is low, the app will send a notification. Replace all three batteries simultaneously to ensure optimal performance. Refer to the "Install Batteries" section in the Setup Guide for instructions on opening the battery compartment.
Cleaning
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water, as it is not waterproof.
Placement
The compact design allows for versatile placement. It can be placed on a flat surface or hung using the lanyard hole. Avoid placing it in direct sunlight, near heat sources, or in areas with extreme humidity (e.g., inside refrigerators or freezers) as it is not waterproof.

Image: The INKBIRD IBS-TH3 device shown mounted on a wall, demonstrating its wall-mount capability.

Image: A close-up of the INKBIRD IBS-TH3 device, highlighting the lanyard hole for hanging.
Troubleshooting
Device Not Connecting to WiFi
- Ensure your WiFi network is 2.4GHz. The device does not support 5GHz networks.
- Check that the device is within range of your WiFi router.
- Verify that the WiFi password entered in the app is correct.
- Try resetting the device by removing and reinserting the batteries, then attempt pairing again.
- Ensure your mobile device is connected to the same 2.4GHz WiFi network during the initial setup.
Inaccurate Readings
- Ensure the device is not placed in direct sunlight, near heat sources, or in areas with high airflow (e.g., directly under an air vent).
- The INKBIRD App allows for accuracy calibration. Navigate to the device settings in the app to perform calibration if needed.
- The device uses a Swiss-made accurate sensor with a temperature accuracy of ±0.3℃/±0.5℉ and humidity accuracy of ±3%RH.

Image: An exploded view of the INKBIRD IBS-TH3, highlighting its internal Swiss-made sensor and specifying its accuracy for temperature (±0.5°F) and humidity (±3%RH).

Image: A table illustrating how recording time intervals and ambient temperatures affect the battery life of the INKBIRD IBS-TH3, suggesting longer intervals for maximum battery life.
Short Battery Life
- Low temperatures and shorter recording intervals will drain battery life faster. To maximize battery life, select a longer recording interval in the app settings.
- Ensure you are using fresh, high-quality AAA batteries.
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | IBS-TH3-WiFi |
| Product Dimensions | 2.28 x 2.28 x 2.44 inches (58mm x 58mm x 62mm) |
| Item Weight | 2.82 ounces (0.08 Kilograms) |
| Temperature Range | -20℃~60℃ (-4℉~140℉) |
| Temperature Accuracy | ±0.3℃/±0.5℉ |
| Humidity Range | 0%RH-99%RH |
| Humidity Accuracy | ±3%RH |
| Connectivity | 2.4GHz WiFi (5G WiFi not supported) |
| Power Source | 3 x AAA batteries (not included) |
| Data Storage | Up to 1 year of historical data on server |
| Mounting Type | Wall Mount |
| Waterproof | No |

Image: The INKBIRD IBS-TH3 device held in a hand, illustrating its compact and simple design with precise dimensions (61mm / 2.40in width, 58mm / 2.28in height).
Warranty and Support
For detailed warranty information and technical support, please refer to the official INKBIRD website or contact their customer service. A digital version of this user manual is available for download at: INKBIRD IBS-TH3 User Manual PDF.
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