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.
Basic principles of physiological data collection covers fundamentals of data collection and equipment configuration equipment to help you refine experiment protocols and avoid costly missteps. Frazer Findlay, CEO of BIOPAC, discusses common mistakes with physiology recording and shares his secrets for collecting great data. Topics include: How to prep a subject and where to place electrodes; Which type of electrodes work for different body signals; Analog to Digital Conversion; Sample rates (correct vs. incorrect); Filtering; and Scaling and calibration.Watch On Demand Now!
Recent psychophysiological studies feature BIOPAC’s MP Research series of Data Recorders and AcqKnowledge software. Creating Adaptive Assistants for helicopter crews based on Real-time Physiological Data In the Mercedes S-Class, biometric tools track a driver’s eyes, heart rate, and other physiological data, with one goal in mind: Making sure drivers are alert and safe on the […]
BIOPAC’s just released 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 […]