1 Product Introduction
Illustration of the INKBIRD IBS-TH3-WIFI sensor. It is a square device with rounded corners. The front face shows a circular lens on the top left, labeled "Sensor". On the top right, there is a small circular hole. In the center, a horizontal slot is labeled "Wi-Fi Indicator Light", with the INKBIRD logo below it. On the right side of the device, there is a small button labeled "Action Button".
Action Button
- Short press the action button to check the current Wi-Fi status. If the sensor is paired with a network, the Wi-Fi indicator light will flash once, and the data will be synced to the app. Conversely, if the sensor is not paired with a network, the Wi-Fi indicator light will flash and enter the pairing state.
- Long press the action button to reset the Wi-Fi of the sensor and pair the network with Wi-Fi.
2 Technical Specifications
| Feature | Specification |
|---|---|
| Battery | AAA Battery*3 (not included) |
| Temperature Measurement Range | -20℃~60℃ (-4°F~140°F) |
| Temperature Accuracy | Typical: ±0.3°C/±0.5°F Max: ±0.5°C/±0.9°F |
| Humidity Range | 0%RH~99%RH |
| Humidity Accuracy (25°C/77°F, 20%~80%RH) | Typical: ±3%RH Max: ±4.5%RH |
| RH Humidity Accuracy (25°C/77°F, 0%~100%RH) | Typical: ±4.5%RH Max: ±7.5%RH |
| Data Recording Interval | 10min, 30min, 60min (default), 120min, 180min, 240min |
| Sampling Interval | 10s |
| Battery Life |
To maximize battery life, select a larger recording interval. Low temperature drains battery life faster.
|
| Temperature/Humidity Calibration Function | Supported. To synchronize calibration values immediately, press the device button after calibration is set on the App. Otherwise, it will be synchronized automatically when temp or humidity data is synced (varies with data change and recording time interval). |
| High/Low-Temperature (-Humidity) Alarm Function | Supported. To synchronize alarm values immediately, press the device button after the alarm is set on the App. Otherwise, it will be synchronized automatically. |
| Warranty | 1 Year |
3 APP Connection
3.1 Download the INKBIRD App
Search for the INKBIRD App from Google Play or the App Store to get it for free. Alternatively, you can scan the provided QR code to download it directly.
Notes:
- Your iOS devices must be running iOS 10.0 or above to download the app smoothly.
- Your Android devices must be running Android 4.4 or above to download the app smoothly.
- The device supports a 2.4GHz Wi-Fi router only.
3.2 Registration
- Open the app, select your Country/Region, and a verification code will be sent to you.
- Enter the verification code to confirm your identity; the registration is complete.
- Registering an account is necessary before using the INKBIRD app for the first time.
3.3 Connect to Your Phone
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Open the app and click "+" in the upper right corner to choose IBS-TH3 to start the connection.
Please make sure your smartphone has Bluetooth enabled.
App screen showing various device options, with IBS-TH3 highlighted.
- Please make sure the device batteries are installed correctly. When the blue light flashes once, confirm and click "Next Step" to continue.
- Please select the Wi-Fi network you want to connect to and enter the password, then click "Next Step" to continue.
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Please press and hold the device button until the indicator light flashes to enter the pairing status. Click "Confirm" to continue.
Illustration showing the sensor device with an instruction to press and hold the button for 5 to 8 seconds for the indicator light to enter the connection state.
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The phone app will automatically scan and find the device. Please place the device as close as possible to your smartphone and router. Once the device is found, confirm and click "Next Step" to continue.
App screen displaying a circular scanning animation.
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The device is automatically connecting to the network.
App screen showing a connection progress indicator between a phone icon and a router icon, with text "Device is pairing".
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Connection Succeeded.
App screen indicating "Pairing successful".
Note: If the connection fails, you can reassemble the batteries and repeat steps 3.3.1~3.3.6 to reconnect.
3.4 Main Interface of INKBIRD App
The main interface displays key information:
- Access to the setting interface (top left).
- Battery Level indicator (top right).
- Current Temperature reading (large display).
- Current Humidity reading (large display).
- Historical data points and a "More" option for detailed views.
3.5 Troubleshooting
3.5.1 The WiFi network is often dropped, unable to update current temperature, historical data is lost, or the network cannot be connected?
- a. Ensure the WiFi signal is stable, and place the device as close to the router as possible.
- b. Make sure there are as few barriers as possible between the device and the router.
- c. Check to see if the battery level is low.
- d. Enable Bluetooth and positioning functions. Allow the App to obtain location information and access the local network (for iOS systems).
3.5.2 The alarm notification is not received or delayed?
- a. Make sure the WiFi signal is stable, and place the device as close to the router as possible.
- b. Make sure there are as few barriers as possible between the device and the router.
- c. Check to see if the app notification permission is enabled.
4 Safeguards
- Please do not disassemble the product if you are not a professional.
- Be sure that the sensor is not covered with dust, as dust may lead to inaccurate measurements.
- Do not use alcohol to clean the sensor.
5 Product Warranty
This item carries a 1-year warranty against defects in either components or workmanship. During this period, products that prove to be defective will, at the discretion of INKBIRD, be either repaired or replaced without charge.
6 FCC Requirement
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
