News
Wink of Knowledge: Alternative Liquid Fuels – Similar but Not Quite the Same? – A Journal
Wink of Knowledge: Alternative Liquid Fuels – Similar but Not Quite the Same? – A JournalWe are reinventing ourselves and launching a journal on alternative fuels. The idea is to present a growing collection of measurement data on fuels and to investigate their...
Article: How Integrated Multiparameter Sensing Reduces Complexity and Optimizes Processes
Wirtschaft - Kompakt: How Integrated Multiparameter Sensing Reduces Complexity and Optimizes Processes (only available in German) Sensors that might interest youGases Density sensor DGF-I1Fluids Density sensor DLO-M2Density sensor DLO-M2_exViscosity sensor...
Article: Collaboration between TrueDyne Sensors AG and BAM
Spotlight: Collaboration Between TrueDyne Sensors AG and BAMIn close collaboration with the Bundesanstalt für Materialforschung und ‑prüfung (BAM), TrueDyne Sensors AG has had its MEMS-based gas sensors scientifically evaluated under realistic, standards-compliant...
Wink of Knowledge: Density measurement during inerting
Wink of Knowledge: Density measurement during inerting During inerting, an inert gas such as nitrogen or CO2 protects against explosions, corrosion, and other harmful effects. The process displaces oxygen or hazardous substances from the system. Only when their...
Wink of Knowledge: Measuring the density and viscosity of ink in industrial processes
Wink of Knowledge: Measuring the density and viscosity of ink in industrial processesDensity and viscosity measurements of ink for inkjet printers using the VLO-M2 viscosity sensor show a high degree of consistency with control measurements in laboratory analyzers...
Wink of Knowledge: Gas mixer
Wink of Knowledge: Gas MixerA night-time alarm and mysterious concentration peaks: we analyse a customer case in which leaky valves threatened the quality of the welding gas. Find out how continuous density measurement with the DGF-I1 exposed these ‘creeping...
Wink of Knowledge: Mineral content of water
Wink of Knowledge: Mineral content of water The mineral content of water plays a key role — both in terms of beverage quality and industrial processes. While it often causes problems such as calcification or corrosion in industry, it promotes health and influences...
Wink of Knowledge: Concentration measurement of SF₆ in insulation gas mixtures for power transformers
Wink of Knowledge: Concentration measurement of SF₆ in insulation gas mixtures for power transformersWhat is a Wink of Knowledge? Do you need to quickly measure, draw or do/build something? The speed with which the result may be achieved counts more than the perfect...
Wink of Knowledge: Viscosity measurement via differential pressure and flow rate
Wink of Knowledge: Viscosity measurement by differential pressure and flow rate This knowledge wink deals with the viscosity determination of media above the measuring range of the dedicated viscosity sensor VLO-M2. Various media were measured in a wide temperature...
Winkle of Knowledge: Concentration measurement protein
Winkle of Knowledge: Concentration measurement protein This knowledge wink is dedicated to measuring the concentration of protein in water using the physical parameters of density and viscosity. Commercially available whey protein was used as an example, the...
Article: Start-up structures as technology drivers for large companies
Economy - Compact: Start-up structures as technology drivers for large companies (only available in German)Sensors that might interest you Gases Density sensor DGF-I1Fluids Density sensor DLO-M2 Density Sensor DLO-M2_ex Viscosity sensor VLO-M2Density Density Sensor...
Wink of Knowledge: Improved methanol/water concentration model for fuel cells
A new concentration model for methanol / water mixtures is shown. The model covers a wide range of process conditions: At temperatures of 0-80°C, concentrations of 0-100% can be calculated from the density with an accuracy of ± 0.2%. The direct methanol fuel cell (DMFC) is an important application for this as the power source of the future.
Wink of Knowledge: smart mass flow controller
Discover the future of precise gas flow control with the innovative Smart Mass Flow Controller from TrueDyne Sensors AG. In cooperation with IST AG, we have developed a pioneering device capable of measuring density, temperature, pressure and mass flow – all in one sensor. Designed for flexibility and accuracy, this controller automatically adapts to different pure gases and binary gas mixtures, ensuring optimal performance. Learn more about this groundbreaking solution at TrueDyne Sensors AG.
Wink of Knowledge: Monitoring the beer fermentation process via density and CO2 formation
Density and CO2 formation were measured during the fermentation process. The measurements of the wort’s density, degree of fermentation and alcohol content agree very well with expectations and verification measurements with laboratory equipment. The presented solution enables automatable, continuous monitoring of the process as well as determination of …
Wink of Knowledge: Measurement of the hydrogen peroxide concentration in water with <0.025% measurement uncertainty
Density measurements of hydrogen peroxide in water with the VLO-M2 were correct within <0.05 kg/m3 using control measurements from a laboratory analyser. The measured deviations correspond to a measurement uncertainty of <0.025% (250ppm) for the concentration determination.
Article: In-line measurements of the physical and thermodynamic properties of single and multicomponent liquids
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.
Wink of Knowledge: Thermal flow measurement and correction by means of gas detection
Flow sensors based on the calorimetric measuring principle typically have to be adjusted to a specific medium. This wink of knowledge shows that a real-time density measurement is highly suitable for correcting the measured flow value for pure gases as well as binary gas mixtures.
Wink of Knowledge: High Density Media – DLO Density Meter for Liquids
Wink of Knowledge: High Density Media - DLO Density Meter for LiquidsVolume 2 | Number 3Why this test?The measurements carried out show that our DLO measures very precisely even in media with a density far above the previously specified maximum value.What is a wink of...
Wink of knowledge: Brine Water Concentration Measurement – DLO
Wink of knowledge: Brine Water Concentration Measurement – DLO Density SensorVolume 2 | Number 2Why this test?When taking measurements in boreholes for the extraction of salt, the concentration measurement poses a fairly large problem. In the case of saturated brine,...
Wink of knowledge: Ethylene Glycol-Water – VLO
Wink of knowledge: Ethylene Glycol-Water Mixture - VLO Density and Viscosity Meter for Liquids Volume 2 | Number 1 Why this test? The measurements carried out are intended to show, in a series of various quick tests, how the concentration of two liquids can be...
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...
Quality management according to ISO 9001:2015
Quality management according to ISO 9001:2015
Why do we get certified?
• The DIN EN ISO 9001:2015 standard is an international standard that demonstrates high levels of quality to customers and third parties.
• It serves as a catalogue of requirements for a quality management system.
• The results are optimised internal company processes, minimised rejects, resource conservation, and increased customer and employee satisfaction.
• An independent certification body confirms compliance with these standards.
• The aim of the standard is to understand and implement the requirements that interested parties expect the company to meet.
MFHS 2019 – MULTIPARAMETR GAS MONITORING SYSTEM
MULTIPARAMETR GAS MONITORING SYSTEM COMBINING A FUNCTIONALIZED AND A NON-FUNCTIONALIZED Microcantilever
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.