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SAGA32+ and SAGA64+ are available now!
The SAGA 32+ and SAGA 64+ are medically certified within Europe and available for sale!
Read the official press release here
Signal quality
TMSi is specialized in developing of high-quality measurement systems for electrophysiological parameters such as EEG and High Density EMG. Our systems are highly versatile and have the best data quality possible. This makes TMSi the best partner for your (clinical) research!
TMSi is ISO 13485:2016 certified and all our products are certified as Medical Device. This means that our products can be used in clinical applications as well. With our quality system we are qualified to design, develop, manufacture physiological measurement systems, software and related accessories.
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Mains interference
A signal that that is almost always found in an electrophysiological measurement is coming from the mains, 220 V / 50 Hz in most European countries, 110 V / 60 Hz in many others. It is a common mistake to think that if you are not connected to mains you are free of mains interference in your measurements.
Basics of Measuring Bio-Electricity
Bio-electricity, or the potential differences that we can measure between two points on the body, can give very important information regarding the electrical activity that takes place inside the body. It is therefore good to understand where these potentials originate from and what the challenges are that one will face when measuring them.
Measurement Principles
In the field of electrophysiological measurements, we distinguish two types of measurement principles: the bipolar and the unipolar measurement principle. Here we will explain the difference between the principles as well as the different unipolar measurements that exist.
Movement Artifacts
A common problem in measurement setups where the subject is allowed to move around is the movement artefact. Movement artifacts originate from two different phenomena:
• Movement of the cables
• Movement of the electrode
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