DMU801

Data Management Unit DMU801

The Vaisala Data Management Unit DMU801 suits a wide range of applications including meteorology, 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

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 protectionISO27001 certificate IEC62443 certificate

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

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

Documents

DatasheetVaisala Data Management Unit DMU801 acquires and manages data flow from sensors in automatic weather stations.
User guideThis document provides detailed information about installing, using, and maintaining Vaisala Data Management Unit DMU801.

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