Measure temperature in swimming pools, SPAS, Hot Tub, aquariums and fish ponds.
Receive email alerts when the temperature is out of the set range.
See temperatures from anywhere in the world where you have a phone or Wi-Fi connection.
All you need to do is select your Wi-Fi and enter the password. 
Supported: iPhone, android, Windows all versions

This ad is for the 2024C model

No application is required for T-One.
All you need is what you already have on your phone or computer.
No authorization is required or requested.

How to use:
- Connecting the server (Free - no hidden fees - The servers are located in Canada) via your Wi-Fi (see the temperature from anywhere you have a mobile connection)


    * The temperature is viewed on a mobile phone or PC (No display - The sensor is connected directly to your Wi-Fi)
     - 2024C (standard with two C batteries)

You need to make sure that the location where you install the sensor is covered by your Wi-Fi. You can also use Wi-Fi extenders, provided that the sensor installed there has a Wi-Fi connection.

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* Before you order and to be sure that you are buying what you are looking for.
* Try to connect live with two sensors installed in Canada.
* One sensor is located in the SPA and the other in the basement.
* Copy the address below into your browser's address bar:
* https://t-one.opcnet.com/client/demo.php
*
* Note: 
* 1. All forms are read-only and you cannot submit anything as the sensors are in demo mode.
* 2. If you bought one sensor: 
* before installation, if you connected the demo sensors via the website - click Log_out to exit the demo mode and clear the cache
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Wi-Fi internet connection: 802.11 b/g/n    2.4GHz
The sensor uses the IBS (Intelligent battery saving mode) module that ensures long battery life.