Data Management Unit DMU801
The compact, secure and scalable data logger for precise, reliable, simultaneous monitoring of multiple weather and environmental parameters
One logger, many possibilities
The Vaisala Data Management Unit DMU801 suits a wide range of applications including meteorology, aviation, hydrology, maritime and many more. Connect Vaisala and other sensors to build a complete and comprehensive weather observation network.
- Built-in support for digital & analog sensors
- Supports industry standard protocols including Modbus, ASCII, SDI-12 and others
- Performs under extreme conditions: -60° C to +85° C
Ultimate flexibility
DMU801 adapts to your specific weather station needs. Whether you're deciding on sensor types and quantities, data transmission methods, local storage capacity, or power requirements — it has you covered.
- Choose from three models, depending on the number and type of sensors to be connected
- Add, remove, replace or calibrate individual sensor interface cards, without taking it offline
- Transmit sensor data over cellular, Ethernet, fiber or satellite
- Store data in non-volatile, built-in flash memory or SD card or both
Plug & play interface cards
Serial sensors
Analog sensors
Ethernet ports
Cellular
Pressure
Accurate and reliable measurements
Engineered for scientific accuracy, DMU801 delivers precise readings with high resolution, making it ideal for professional monitoring and research.
- Performs advanced algorithm calculations to process sensor observation data
- Validates sensor data accuracy using preconfigured criteria before sending the data forward
Data integrity and security at the core
Comprehensive system security keeps your data intact, even at the user level.
- Unique activation code for each DMU801 with no default username or password
- Only Vaisala-signed software can be uploaded to DMU801
- Systematic user management prevents unauthorized access or unwanted changes
- Includes secure network protocols, secure communication interfaces and dynamic firewall protection
Easy configuration and management with intuitive tools
Vaisala Kaiku Designer
Define how DMU801 will collect, process and share sensor data
Vaisala Kaiku
Monitor live sensor data and status, configure station level settings, and perform basic maintenance tasks
Add sensors, calculations and more with the Vaisala Kaiku Designer
Easily tailor your DMU801-based system to meet your specific requirements.
- Includes built-in library for a wide range of Vaisala and other sensors as well as pre-defined calculations
- Use a sensor and calculation from the library or add your own
- Built-in support for standard Python scripting
- Edit individual graphical components instead of reviewing lines of code
- No need to install any extra software or drivers
Manage your station anywhere with Vaisala Kaiku
You’re in control with DMU801’s web-based user interface.
- View real time sensor observation data and check the working status of connected sensors
- Manage user access, firmware updates and other settings
- Download measurement and event logs
- No need to install any extra software or drivers
Key technical specs
-40 to +85 °C (regular)
-40 to +85 °C (extended)
Operating temperature
Cellular, Ethernet, serial, satellite, fiber
Communication
Up to 48 analog channels
Up to 16 frequency channels
Analog inputs
Up to 32
Digital inputs
4 GB internal flash
Up to 32 GB SD card
Storage capacity
Python 3
Programming language
Resources
DMU801 software download
To make sure that the system components stay up to date, Vaisala provides regular firmware updates to DMU801.
Latest versions of:
Vaisala Kaiku Designer, visual tool for creating and modifying DMU801‑based applications
Want to learn more?
Contact our industry experts to learn more about our solutions.
