Wireless Data Acquisition and Synchronous Data Transmission – DAQ

Radio node (TEDIASENS sensor node) for wireless data acquisition (DAQ) and synchronous data transmission in a wireless sensor network

Drahtlose Datenerfassung in einem Sensornetzwerk und anschließende drahtlose Datenübertragung an einen WLAN Access Point

Wireless data acquisition as an alternative in the evaluation of sensor networks: wireless sensor networks replace increasingly cable-based data collection systems. Find out on this page, how wireless data acquisition by TEDIASENS sensor nodes is implemented
and what benefits result from the use of
wireless sensor networks.

Drahtlose Datenerfassung in einem Sensornetzwerk und anschließende drahtlose Datenübertragung an einen WLAN Access Point

Distributed sensor nodes of TEDIASENS series are suitable for wireless data acquisition and synchronous data transmission. There are no cables needed for data acquisition anymore!

With our wireless data acquisition system measurement data of any kind of sensor can be recorded simultaneously and transmitted via WLAN over a wireless access point to an evaluation unit.

As a result TEDIASENS is particularly suitable for mobile applications in the area of ​​service, machine diagnostics and especially for vibration analysis and acceleration measurement.

Advantages of wireless sensor networks in comparison to cable-based data acquisition systems

  • Simple synchronous data acquisition of up to 40 sensors in a wireless sensor network
  • Fast wireless data transmission to a WLAN access point for data evaluation
  • Through wireless data transmission cables are avoided in safety critical machine areas
  • Easy installation and setup of wireless sensor networks
  • Wireless signal evaluation by wireless data acquisition and wireless data transmission

Wireless data acquisition from up to 3 sensors – TEDIASENS SN-X

Wireless data acquisition from up to 3 sensors with our Tediasens SN-X radio nodes

This radio node is suitable for the connection of three external sensors for wireless data acquisition and transmission to the wireless access point.

Therefore, 3 IEPE channels can be used for synchronous and simultaneous sampling of any three sensors.

  • Main application: wireless data acquisition of 3 external sensors and wireless, synchronous data transmission to the evaluation unit

Wireless vibration analysis – TEDIASENS SN-I

Wireless vibration analysis with our Tediasens SN-I radio node

This radio node with integrated 3-axis industrial acceleration sensor is especially suitable for wireless vibration and acceleration measurement.

Through the built-in accelerometer that radio node impresses with its small size and is among others suitable for building monitoring, machine diagnosis and wireless condition monitoring.

  • Main application: wireless vibration analysis, wireless vibration measurement

TEDIASENS LN-I: LOGGING NODE with internal Sensors

  • Periodic monitoring in adjustable time intervals
    • Integrated Sensors:
    • Piezo acceleration sensor (0,3 Hz – 10 kHz)
    • Position sensor
    • Temperature sensor
  • Internal battery for operating times of 2 – 10 years
  • Vibration trigger to trigger measurement cycles
  • Memory for up to 4 million measurement values
  • Very compact dimensions: 50 x 50 x 20 mm³

TEDIASENS LN-X: LOGGING NODE with external Sensors

  • Continuous Monitoring of Sensor Signals
  • Triggering of Measurements by Trigger Events and Threshold Violations
  • Pre-trigger: recording of signal development
    before trigger event possible
  • Internal temperature sensor
  • Up to 4 inputs for external sensors
  • Flexibility though input modules for different
    sensor interfaces
  • Compact dimensions: 100 x 100 x 20 mm³

TEDIASENS LN-XT: LOGGING NODE with external Sensors and Power Supply

As LN-X, but additionally:

  • Internal battery to power the measurement node and connected sensors
    • Battery life depending on sensors:
    • 1 – 3 Years
    • Optional internal sensors possible:
    • Geophone
    • Acceleration sensor
    • Tilt sensor
    • Optional modules possible:
    • Cellular radio connection
    • GPS for time synchronization
    • Solid industrial-standard housing made of die-cast aluminium
  • Dimensions: 220 x 120 x 80 mm³

System components – wireless sensor network

In a wireless sensor network the following system components play a major role in the wireless transmission of data:


The aim of wireless data acquisition and synchronous data transmission in a wireless sensor network is the data collection of various types of sensors. Therefore, our system is suitable for the acquisition of various sensors from industry and research.

Tediasens radio nodes

With our Tediasens SN-X  sensor node you can record the data from three external sensors and with the SN-I radio node you can capture vibration and acceleration through an integrated industrial accelerometer. TEDIASENS radio nodes are a fundamental part of a system for wireless data transmission. With the newest wireless technology, the recorded data can be transferred quickly and synchronously to the WLAN access point.

WLAN Access Point

WLAN Access points are the “base stations” in a wireless sensor network and serve the wireless data transmission to our wireless access point for synchronous data analysis with our analysis software tools. The WLAN access point is connected via USB interface to a PC.

Supported sensors

  • Acceleration sensors
  • Force sensors
  • Rotational speed sensors
  • Light barriers
  • Microphones
  • etc.

These are just some examples of the sensors which are suitable for wireless data acquisition and data transmission with our Tediasens system. A full list can be found under the menu item “Supported sensors”.

Synchronous data transmission

Synchronous data transmission exists, when the data transfer between the transmitter and receiver is synchronized with a clock signal in time. Synchronous data acquisition and synchronous data transmission is applicable primarily in wireless sensor networks, where synchronous data transmission is used to transmit the sensors signals relayed to various wireless sensor nodes to an access point so that it can collect the data from all sensors synchronously.

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