Microfluidic devices are becoming increasingly important in various fields of pharmacy, flow chemistry and healthcare. In the embedded microchannel, the flow rates, the dynamic viscosity of the transported liquids and the fluid dynamic properties play an important role. Various functional auxiliary components of microfluidic devices such as flow restrictors, valves and flow meters need to be characterised with liquids used in several microfluidic applications.
News Category: Knowledge
Wink of knowledge: Air & Nitrogen (N2) – DGF-I1
Wink of knowledge: Air & N2 - DGF-I1 density sensor for gasesYear 1 | Number 1Why this test?The measurements performed in a series of various quick tests are intended to demonstrate how precisely the DGF-I1 density sensor for gases works in operation. Since air...
Article: Density and Concentration Measurement Applications for Novel MEMS-based Micro Densitometer for Gas
Density and Concentration Measurement Applications for Novel MEMS-based Micro Densitometer for GasC. Huber, TrueDyne Sensors AG, Reinach BL (Switzerland), Endress+Hauser Flowtec, Reinach BL (Switzerland)Abstract A MEMS cantilever based resonant device for gas...
Article: Design, Simulation, Fabrication and Characterization of piezoelectric MEMS Cantilever for Gas Density and Viscosity Sensors Applications
Design, Simulation, Fabrication and Characterization of piezoelectric MEMS Cantilever for Gas Density and Viscosity Sensors ApplicationsA. Mehdaoui¹, C. Huber¹, J. Becker¹, F. Schraner¹, L. Villanueva² ¹TrueDyne Sensors AG, Reinach BL (Switzerland), ²Ecole...
Article: Multiparameter Gas-Monitoring System
The aim of the study is to develop a compact, robust and maintenance free gas concentration and humidity monitoring system for industrial use in the field of inert process gases. Our multiparameter gas-monitoring system prototype allows the simultaneous measurement of the fluid physical properties (density, viscosity) and water vapor content (at ppm level) under varying process conditions.
Part 3 – MEMS technology
MEMS technologyAt a glance In the previous section (part 2) we got to know the vibration measuring method. This section deals with the establishment of MEMS technology at TrueDyne Sensors AG. The technology has brought about the MEMS sensor, the heart of which is an...
Part 2 – The resonator density measurement
The resonator density measurement At a glance In the previous part (1) we learned about the basics of density measurement and the definition of density. This section is dedicated to the vibration method which is also used by density sensors for density measurement....
Part 1 – Density measurement basics
Density measurement basics At a glance This section gives you a first insight into the basics of density measurement. You will learn that density is a temperature and pressure-dependent substance property which is often specified with the unit kg/m3 or lb/ft3. The...
Rethink the workplace – Steffen Zehnle
A rock in the surfRethink Sensing is not only our claim but part of our DNA. Today we introduce our R&D System Engineer Dr.-Ing. Steffen Zehnle. Being active in production and keeping the projects on track Present and future - home office and production. Steffen...
Quality monitoring of fuels
The density of a liquid depends on its composition. If different liquids are mixed, the correct mixing ratio can be checked with density measurements.
Density basic training – Part 3
Do you know our density basic training? Download now the complete training for free.
Density basic training – Part 2
Do you know our density basic training? Download now for free the complete training.
Density basic training – Part 1
Do you know our density basic training? Download now the complete training for free.
Your expert on density – basic training
We are happy to share our density know-how in the form of basic training, which we have put together for you.
Welding Gas Measurement – Technology Note
Monitoring the composition of your welding gas mixture leads to better controlled processes, saves money, and ensures quality.
Press Quotes: Coriolis Flowmeters
Going with the Flow to Optimize Fluid Sensors
Success story with Hahn-Schickard
From the very beginning, TrueDyne Sensors partnered up with Hahn-Schickard in order to develop and produce their cutting-edge MEMS chips.
Find out more about this success story!
Technical article – Oscillating to the measured value
Density and viscosity of liquids and gases are determined on the basis of vibronic MEMS sensors.

















