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– Top 10 Knowledge Base Queries [Knowledge Base]

These are the ten most common Knowledge Base queries: AcqKnowledge iLok USB Key installation Unable to establish communication with any data acquisition hardware Compatibility | OS computer requirements BSL Analysis…

* CLEANING GUIDELINES * [Knowledge Base]

External Cleaning / Disinfecting Instructions For any BIOPAC Systems data acquisition, amplifier, or accessory module: To clean the surface of the module: wipe lightly with a dry, lint-free cloth, or…

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002 – BSL Release and OS Compatibility [Application Note]

See Release History   for versions and compatible OS BSL is available in English; Chinese (Simplified & Traditional); French; Japanese; or Spanish. Related references: BIOPAC Software Compatibility on Mac Intel Core Duo.…

101 – Transducer Calibration and Signal Re-Scaling [Application Note]

AcqKnowledge software allows users to rescale any analog signal being acquired. Instead of simply measuring voltage, input signals can be scaled and renamed to more meaningful units. The rescaling function…

102 – Biopotential Amplifier Testing With CBLCAL [Application Note]

CBLCAL is a device used to check the accuracy of BIOPAC biopotential amplifiers. CBLCAL stands for cable calibration and is used to calibrate EMG, EOG, EEG, ECG, and ERS amplifiers.…

103 – Remote Monitoring System – TEL100 [Application Note]

The TEL100 System is an earlier model of the BIOPAC Remote Monitoring System that is functionally equivalent to the TEL100C system described in this note; it uses different cables to…

105 – Auditory Brainstem Response (ABR) Testing [Application Note]

This Application Note details setup and measurements for Auditory Brainstem Response (ABR) measurements using an MP160/MP150 data acquisition system and AcqKnowledge 4.1 or above software. Whenever a sound wave is detected…

109 – 3-, 6-, and 12-Lead ECG [Application Note]

An electrocardiogram (ECG) is a graphic recording of the changes occurring in the electrical potentials between different sites on the skin (leads) as a result of cardiac activity. Depolarization of…

110 – Amplifier Baseline Offset Adjustment [Application Note]

Offset refers to the zero point or baseline of a signal. BIOPAC biopotential amplifiers (including the DA100) are preset at the factor to Offset 0. When recording in AC mode,…

111 – Nerve Conduction Velocity [Application Note]

This application note will measure nerve conduction velocity along the ulnar nerve of a human subject. This is a standard site for nerve conduction velocity measurement due to the relatively…

114b – Pneumotach Transducer – TSD107B [Application Note]

The TSD107B* pneumotach is a highly linear, wide range, airflow transducer. Using the TSD107B and a DA100C amplifier, with the MP150/100 and AcqKnowledge, the user can perform a variety of…

115 – Hemodynamic Measurements [Application Note]

AcqKnowledge software permits the user to perform a number of hemodynamic measurements, in addition to basic measurements such as Systolic, Diastolic, Mean, and Rate. These measurements can be performed as…

115 – Hemodynamic Measurements with BSL PRO [Application Note]

BSL PRO software permits the user to perform a number of hemodynamic measurements in addition to basic measurements such as Systolic, Diastolic, Mean, and Rate. These measurements can be performed…

116 – Hemodynamic Measurements – Part 2 [Application Note]

The Biopac Student Lab Pro software has many features that permit the user to perform a number of hemodynamic measurements, in addition to basic measurements, such as Systolic, Diastolic, Mean,…

117 – Pulse Transit Time and Velocity Calculation [Application Note]

Pulse Transit Time (PTT) is the time it takes the pulse pressure waveform to propagate through a length of the arterial tree. The pulse pressure waveform results from the ejection…

117 – Pulse Transit Time and Velocity Calculation [Application Note]

Pulse Transit Time (PTT) is the time it takes the pulse pressure waveform to propagate through a length of the arterial tree. The pulse pressure waveform results from the ejection…

118 – EMG Frequency Signal Analysis [Application Note]

Analysis of the EMG signal in the frequency domain involves measurements and parameters which describe specific aspects of the frequency spectrum of the signal. Parameters of the power density spectrum…

118 – EMG Signal Analysis [Application Note]

The analysis of the EMG signal in the frequency domain involves measurements and parameters which describe specific aspects of the frequency spectrum of the signal. Two parameters of the power…

12-Lead ECG Recordings [Advanced Feature]

To record a continuous 12-lead ECG, use a WT100C Wilson Terminal to create a virtual reference electrode when measuring the transverse plane (i.e., precordial) ECG components [V1, V2, V3, V4,…

120 – X/Y Loop Area Analysis [Application Note]

This application note covers manual area calculations of X/Y Loops. For completely automated Pressure-Volume Loop Recording and Analysis, including per-loop and statistical measures, see the new AcqKnowledge 4.3 Pressure-Volume Loop Analysis Package.…

121 – Waveform Data Reduction [Application Note]

AcqKnowledge has features that permit the user to reduce waveform data in a variety of ways. If one collects many minutes or hours of data, one may wish to reduce…

122 – Power Spectrum Analysis [Application Note]

AcqKnowledge can be used to obtain the power spectrum of any time domain waveform. The power spectrum indicates the power of each frequency component of the source time domain waveform.…

126 – Wireless Remote Monitoring – TEL100C-RF [Application Note]

The TEL100C-RF remote monitoring system can monitor a wide range of physiological activity, including ECG, EOG, EEG, GSR, SKT, PPG, RSP, and surface EMG. Specialized signal processing of physiologic variables…

127 – Precision Force Transducers [Application Note]

Force transducers are devices capable of transforming a force into a proportional electrical signal.   The TSD125 series force transducer elements are cantilever beam load cells incorporating thin-film strain gauges.…

129 – Heart Rate Variability [Application Note]

This application note explains statistical measures and geometric measures in heart rate variability studies. See also Application Note 233: HRV – Preparing Data for Analysis for details on recording good…

130 – Blood Pressure Measurement for the BSL PRO [Application Note]

The most common form of indirect blood pressure measurement employs a pressure cuff, pump and pressure transducer. This complete assembly is commonly referred to as a Sphygmomanometer. Typically, the cuff…

130 – Noninvasive Blood Pressure Measurement – TSD120 [Application Note]

The most common form of indirect blood pressure measurement employs a pressure cuff, pump, and pressure transducer. This complete assembly is commonly referred to as a sphygmomanometer. A physiologocal sounds…

131 – Averaging Mode in the MP System [Application Note]

The ability to average physiological data in synchronization with a stimulus signal is useful for investigating a variety of physiological processes. The MP unit with AcqKnowledge provides considerable flexibility when…

132 – Variable Force Transducer – SS12LA [Application Note]

Force transducers are devices capable of transforming a force into a proportional electrical signal.   The SS12LA force transducer element is a cantilever beam load cell incorporating a thin-film strain…

132 – Variable Force Transducer- TSD105A [Application Note]

Force transducers are devices capable of transforming a force into a proportional electrical signal. The TSD105A force transducer element is a cantilever beam load cell incorporating a thin-film strain gauge.…

135 – Airflow Transducer Calibration – SS11LA [Application Note]

The SS11LA can be used to measure respiratory flow over a wide range of subjects and conditions. The SS11LA includes an optically clear detachable flow head (RX117) for easy cleaning and…

135 – Pneumotach Transducer – TSD117 [Application Note]

The TSD117 can be used to measure respiratory flow over a wide range of subjects and conditions. The TSD117 includes an optically clear detachable flow head (RX117) for easy cleaning…

136 – Battery Pack Instructions – BAT100 [Application Note]

The BAT100 is a sealed lead-acid rechargeable battery pack and recharger designed to operate with the MP100 system. The battery pack comes in a handy carrying case equipped with a…

140 – Goniometers: Angular Measurements [Application Note]

Goniometers are devices capable of transforming angular position into a proportional electrical signal. The TSD130 series goniometers incorporate gauge elements which measure bending strain along or around a particular axis.…

140 – Goniometers: Angular Measurements [Application Note]

Goniometers are devices capable of transforming angular position into a proportional electrical signal. The Biopac Student Lab series goniometers incorporate gauge elements which measure bending strain along or around a…

141 – Tri-Axial Accelerometer Calibration – BSL [Application Note]

Tri-axial accelerometers are high-level output transducers requiring no additional amplification since the amplifier is built into the transducer. They connect directly to the MP3X unit of the Biopac Student Lab…

142 – Rate Detector Algorithm in AcqKnowledge [Application Note]

The AcqKnowledge Rate Detector is critical to the ability of AcqKnowledge to extract information from physiological data that has a degree of periodicity. Physiological data which can be investigated using…

143 – Importing AcqKnowledge Data Into Excel [Application Note]

This application note explains how to import AcqKnowledge journal files into Microsoft Excel. The journal provides a very convenient way of saving data measurements prior to exporting them to Excel…

144 – Hand Dynamometer Calibration – BSL [Application Note]

The multi-purpose SS25L hand dynamometer adds a new dimension to force measurements. This fully isometric transducer can be used in the traditional hand grip strength fashion, pulled apart by both…

145 – Respiratory Effort Transducer – TSD101B [Application Note]

The TSD101B can be used to record respiratory effort, by measuring the change in thoracic or abdominal circumference. The TSD101B is a silicone rubber strain assembly that connects to a…

148 – Automated ECG Analysis [Application Note]

ECG Analysis An electrocardiogram (ECG) is a graphical recording of the changes occurring in the electrical potentials between different sites on the skin as a result of cardiac activity. The…

148 – Automated ECG Analysis – BSL [Application Note]

An electrocardiogram (ECG) is a graphical recording of the changes occurring in the electrical potentials between different sites on the skin as a result of cardiac activity. The electrical activity…

149 – O2100C Module Setup for the MP System [Application Note]

The O2100C Oxygen Measurement Module records quickly-varying oxygen concentration levels. The O2100C module is equipped with a variable speed pump to adjust the flow over a wide range of sampling…