VREF, excitation voltage and reference voltage refer to the same concept. This is the voltage the DA100C series amplifier provides for connected transducers that need to be powered. The excitation voltage level (peak-to-peak, i.e. the absolute difference between the value for VREF- and VREF+) will influence the readings obtained from the transducer. Therefore, this voltage must be known for the purposes of calibration. The Reference Calibrator for DA100C (REFCAL) can be used. The REFCAL plugs into the DA100C and directs the reference voltage setting to the DA100C output. The REFCAL makes it very easy to adjust the reference voltage of the DA100C to suit your transducer. Alternatively, a voltmeter can be used.
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BIOPAC provides software and hardware that allows research teams to record and analyze numerous body signals for physiological experimentation. Here are a few notable studies using BIOPAC equipment for ECG, EDA, and Respiration data. What Keeps Students More Engaged? The question has been brought to the forefront during COVID, what variations of online learning keep students more engaged? […]
BIOPAC’s comprehensive Introductory ECG Guide addresses fundamental to advanced concerns to optimize electrocardiography data recording and analysis. Topics include: ECG Complex; Electrical and Mechanical Sequence of a Heartbeat; Systole and Diastole; Configurations for Lead I, Lead II, Lead III, 6-lead ECG, 12-lead ECG, precordial leads; Ventricular Late Potentials (VLPs); ECG Measurement Tools; Automated Analysis Routines for extracting, […]