TerraTransfer GmbH develops internet data loggers for monitoring measurement data.


If you want to monitor your measurement data reliably and in real time, TerraTransfer is the right choice for you. Contact us now to learn more about our solutions!

Product Highlight: Smart Stainless Steel Buoy with Aquatos Web Internet Logger

Harness cutting-edge water monitoring with our robust stainless steel buoy, equipped with the long-life Aquatos Web internet logger. Designed for Smart City applications and environmental water management, the buoy floats semi-submerged and transmits real-time data on water level, temperature, and water quality (optional: pH, conductivity) via LTE-M/NB-IoT. Configuration and diagnostics are accessible directly via Bluetooth (BLE) using a smartphone. With up to 10 years of battery life and modular sensor integration, this system delivers maximum flexibility with minimal maintenance effort.

Online level and groundwater data logger

Whether water levels or quality: with our modular internet data loggers, you can monitor your measuring points independently and securely. Encrypted data transmission via M2M (GPRS/UMTS) and a 10-year battery life (up to 20,000 internet transmissions).
More about this

Installation and maintenance - Benefit from our full service

If you're looking for a complete, worry-free package, we can install and maintain your monitoring network at your request.
More about this

Web portals and interfaces

Manage your data in our "Sensor Manager" web portal. Displays maintenance requirements, user management, and variable alarms (SMS, email). Automatic interfaces to your building control center.
More about this

Our internet data loggers are also equipped with a near-field radio module, which offers you even more options. With Bluetooth 5.0 BIE or 433MHz, you can choose how you want to operate the devices locally. Near-field radio also allows the data loggers to exchange data with each other during operation, thus increasing reliability.


Our data loggers can control a variety of different sensors. Depending on the type, up to 48 individual sensors can be operated to monitor your measurement data. If you are looking for a specific solution that you haven't found on our website, please contact us. We would be happy to create a customized offer perfectly tailored to your needs. Trust in the expertise of TerraTransfer GmbH and let us work together to find the right solution for you. New text


With TerraTransfer GmbH, you have a reliable partner at your side when it comes to monitoring and recording measurement data. Our internet data loggers are specially developed for the areas of water levels and groundwater, flood protection, climatology and soil science, as well as industrial measurement variables such as pressure and temperature.

But that's not all: With our systems, you have access to the latest measurement data at any time – easily via your web browser or on the go via our mobile website. And best of all, our internet data loggers can be operated online, so you can maintain control from anywhere.

Your message to us:

Your message to us: