Third Reality Temperature and Humidity Sensor

Index

• Product Overview
• Installation
• Side Button
• Setup
• Specifications
• Pairing with Third Reality
• Pairing with Amazon Echo
• Pairing with SmartThings
• Pairing with Hubitat
• Pairing with Home Assistant
• FAQ
• FCC Regulatory Conformance
• RF Exposure
• Limited Warranty

Product Overview

Front View

The front view shows a digital display with current temperature and humidity readings. The temperature is displayed in Fahrenheit (°F) as 73.4, and humidity as 55%. Icons indicate battery status (low battery symbol ?) and weather conditions (cloud symbol ☁️). The brand logo "THIRD REALITY" is visible at the bottom.

A protective film covers the display.

Rear View

The rear view shows ventilation holes, a side button, and the battery compartment. It also displays the product name "Temperature and Humidity Sensor", Model No.: 3RTHS24BZ, FCC ID: 2AOCT-3RTHS24BZ, ID: 28296-3RTHS24BZ, Input: 3V, Made In China, Third Reality, Inc. The FCC and CE logos are present. A plastic insulation sheet is shown, which needs to be removed before use. The compartment holds 2 AAA batteries (included).

Labels point to: "Ventilation Holes and Protective Film", "Side Button", "Plastic Insulation Sheet", "AAA Battery × 2 (included)".

Installation

The device features a kickstand for placement. The diagram shows the sensor with the kickstand extended.

Side Button

The side button has two functions:

1. Press and hold for 5 seconds and release to put the sensor into pairing mode.
2. Press to switch the temperature display between Celsius (°C) and Fahrenheit (°F).

Setup

1. Remove the protective film on the ventilation holes. Remove the kickstand from the back of the sensor. Open the battery cover on the back and remove the plastic insulation sheet. The sensor powers on, and a blinking cloud icon ☁️ on the LCD screen indicates it is in pairing mode.
2. A solid cloud icon ☁️ on the LCD screen indicates the pairing process is successfully completed.
3. If not successfully paired within 3 minutes, the sensor will exit pairing mode. Press and hold the side button for 5 seconds and release to re-enter pairing mode.

Specifications

Pairing with Third Reality

App: Third Reality App
Hub: Third Reality Smart Hub

Pair the Temperature and Humidity sensor with the Third Reality Smart Hub.

Pairing steps:

1. Register and sign in your THIRDREALITY account, and add the THIRDREALITY hub.
2. Remove the kickstand on the back of the Temperature and Humidity Sensor, open the battery cover, remove the plastic insulation sheet, and power on the sensor. Alternatively, press and hold the side button for 5 seconds and release. A blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
3. Tap the "+" icon in the upper right of the THIRDREALITY App, scroll down to choose the Temperature and Humidity Sensor icon, and follow the on-screen instructions to start the pairing process.
4. The sensor will be discovered within one minute as "Temperature and Humidity Sensor 1". The temperature and humidity data will be displayed in the device list.
5. Tap the Temperature and Humidity Sensor icon to enter the device page. You can view information such as MAC address, battery level, software version, and history records. You can also rename the sensor and check for software updates.
6. When enabling skills in your Alexa app after pairing the sensor to the hub, you can only read temperature readings, not create routines with the sensor in your Alexa app.

Pairing with Amazon Echo

App: Amazon Alexa App

This process is for Echo devices with built-in ZigBee hubs, such as Echo V4, Echo Plus V1 and V2, Echo Studio, and Eero 6 and 6 pro.

Pairing steps:

1. Ask Alexa to check for updates before pairing.
2. Remove the kickstand on the back of the Temperature and Humidity Sensor, open the battery cover, remove the plastic insulation sheet, and power on the sensor. Alternatively, press and hold the side button for 5 seconds and release. A blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
3. Ask Alexa to discover devices, or open the Alexa App, go to the device page, tap "+" on the top right, choose "Add Device", scroll down to the bottom and tap "Other", then tap "DISCOVER DEVICES". The Temperature and Humidity Sensor will be paired with your Echo device in a few seconds.
4. Tap the device icon to enter the device page, then tap the settings icon ⚙️ to enter the settings page. You can edit the name of the sensor or create routines to control other connected devices.

Pairing with SmartThings

App: SmartThings App
Devices: SmartThings Hub 2nd Gen (2015) and 3rd Gen. (2018), Aeotec Smart Home Hub.

Pairing steps:

1. Before pairing, check for updates to ensure the SmartThings Hub firmware is up to date.
2. Remove the kickstand on the back of the Temperature and Humidity Sensor, open the battery cover, remove the plastic insulation sheet, and power on the sensor. Alternatively, press and hold the side button for 5 seconds and release. A blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
3. Open the SmartThings App, tap "+" on the upper right corner to "Add device", and then tap "Scan" to "Scan for nearby devices".
4. The sensor will be paired with the SmartThings hub in a few seconds.
5. Create routines to control connected devices.
6. When enabling skills in your Alexa app after pairing the Temperature and Humidity Sensor to the hub, you can only read temperature readings, but not create routines with the sensor in your Alexa app.

How to add SmartThings drivers for Third Reality T&H Sensor

1. Open this link in your PC browser: https://bestow-regional.api.smartthings.com/invite/adM-Kr50EXzj9
2. Log in to your SmartThings Account.
3. Click "Enroll" → "Available Drivers" → "Install" to install the device driver as needed.
4. Reboot your SmartThings hub by powering it off and on again.
5. Use "Scan for Nearby Devices" in the SmartThings App to pair THIRDREALITY devices with your SmartThings hub.
6. You can change the driver of the sensor in the SmartThings App.

Pairing with Hubitat

Website: http://find.hubitat.com/

Pairing steps:

1. Remove the kickstand on the back of the Temperature and Humidity Sensor, open the battery cover, remove the plastic insulation sheet, and power on the sensor. Alternatively, press and hold the side button for 5 seconds and release. A blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
2. Visit your Hubitat Elevation hub device page from your web browser, select the "Devices" menu item from the sidebar, then select "Discover Devices" in the upper right.
3. Click the "Start ZigBee Pairing" button after selecting a ZigBee device type. This will put the hub in ZigBee pairing mode for 60 seconds.
4. After the pairing process is completed successfully, you can rename the device if needed.
5. The Temperature and Humidity Sensor will now appear on the Devices page.

Pairing with Home Assistant

Pairing steps:

1. Remove the kickstand on the back of the Temperature and Humidity Sensor, open the battery cover, remove the plastic insulation sheet, and power on the sensor. A blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
2. Ensure Home Assistant Integrations ZigBee Home Automation Setup is ready, then go to the "Configuration" page and click "Integrations".
3. Click "Devices" under the ZigBee item, then click "Add Devices".
4. After pairing is completed successfully, the device will appear on the page.
5. Go back to the "Devices" page to find the Temperature and Humidity Sensor added.
6. Click to enter the control interface to set the Temperature and Humidity Sensor.
7. Click the "+" icon for "Automation" to add different actions.

FAQ

1. How to factory reset the Temperature and Humidity Sensor?
   Press and hold the side button on the left side of the sensor for 5 seconds and release the hold. The blinking cloud icon ☁️ on the LCD screen indicates the sensor is in pairing mode.
2. Why does the temperature fluctuate when I press the side button?
   The side button is located near the ventilation hole. When your finger presses the side button, the temperature reading may rise due to body heat. Wait for 20 seconds for the temperature reading to return to normal.
3. The LCD screen gets dirty, how to clean it?
   You can clean the LCD screen with alcohol wipes or a damp soft cloth. Prevent water from getting into the monitor when cleaning it.
4. What is the battery life?
   The battery life is approximately 1 year with typical usage.

FCC Regulatory Conformance

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. 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.

NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user's authority to operate the equipment.

RF Exposure

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Limited Warranty

For limited warranty information, please visit www.3reality.com/device-support.

For customer support, please contact info@3reality.com or visit www.3reality.com.

For help and troubleshooting related to Amazon Alexa, consult the Alexa app.