Biopotential Amplifiers

Evoked Response Amplifier

ECG (EKG), EEG, EGG, EMG, EOG, or ERS amplifiers for BIOPAC Research Systems

BIOPAC’s  100C-series amplifiers compose one of the largest ranges of amplifiers in the industry. They can be used with an MP System or as stand-alone devices. The 100C series biopotential amplifier modules are single channel, differential input, linear amplifiers with adjustable offset and gain. In addition to amplifying signals, most of the 100C series modules include selectable signal conditioning ability so that data may be filtered or transformed as it is being collected. Modules can be cascaded by snapping the modules together. Up to sixteen 100C series modules can be connected to the MP System at any one time. When used with BIOPAC electrodes, AcqKnowledge software, the MP160/MP150 data analysis and acquisition hardware platform, transducers and other system components, the 100C series amplifiers are part of a complete data acquisition and analysis system.

These modules are used to amplify smaller voltage signals coming from raw electrodes in a three-electrode arrangement (VIN+, GND, VIN−). Electrodes measure the electrical activity at the surface of the skin, and since electricity flows from – to +, measuring the flow of a signal requires that there be (at least) one “-” electrode and (at least) one “+” electrode. An additional electrode, a “ground” (or earth) electrode is used to control for the general level of electrical activity in the body.

Biopotential amplifiers connect to unshielded or shielded electrode leads terminating with Safelead/Touchproof (1.5 mm) sockets. For best performance, use two shielded electrode leads and one unshielded electrode lead per amplifier.

All 100C series amplifiers are constructed with filters that have a high degree of phase linearity. This means the 100C series modules will filter signals with as little distortion as possible. These modules also incorporate protection circuitry to limit input current in the event of input signal overload. Notch and bandstop filters have the potential to cause distortion, especially in the form of “ringing” in the data stream; biopotential hardware notch filters are implemented in conjunction with LP or HP functions to minimize distortion.

See also: Electrodes & Leads and Module Extension Cables

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BioNomadix Wireless 2 Ch ECG Amplifier

BioNomadix 2Ch Wireless ECG Amplifier

Part #: BN-ECG2

The Dual Wireless ECG BioNomadix Pair consists of a matched transmitter and receiver module specifically designed to measure Electrocardiogram (ECG)…

BioNomadix Wireless 2 Ch EEG Amplifier

BioNomadix 2Ch Wireless EEG Amplifier

Part #: BN-EEG2

The Dual Wireless EEG BioNomadix Pair consists of a matched transmitter and receiver module. The matched pair is specifically designed…

BioNomadix Wireless 2 Ch EGG Amplifier

BioNomadix 2Ch Wireless EGG Amplifier

Part #: BN-EGG2

The Dual Wireless EGG BioNomadix Pair consists of a matched transmitter and receiver module specifically designed to measure Electrogastrogram (EGG)…

BioNomadix Wireless 2 Ch EMG Amplifier

BioNomadix 2Ch Wireless EMG Amplifier

Part #: BN-EMG2

The Dual Wireless EMG BioNomadix Pair consists of a matched transmitter and receiver module. The matched pair is specifically designed…

BioNomadix Wireless 2 Ch EOG Amplifier

BioNomadix 2Ch Wireless EOG Amplifier

Part #: BN-EOG2

The Dual Wireless EOG BioNomadix Pair consists of a matched transmitter and receiver module. The matched pair is specifically designed…

BioNomadix Wireless Dynamometry with EMG Amplifier

BioNomadix Wireless Pressure-Based Dynamometer with EMG

Part #: BN-DYNEMG

The Dynamometry-EMG BioNomadix Pair consists of a matched transmitter and receiver module specifically designed to measure one or both signals. Pressure-based Dynamometry—the…

BioNomadix Wireless 2 Ch Resp/ECG Amplifier

BioNomadix Wireless RSP with ECG Amplifier

Part #: BN-RSPEC

The Dual Wireless Respiration and ECG BioNomadix module pair consists of a matched transmitter and receiver pair optimized for respiration…

ECG (EKG) Electrocardiogram Amplifier

ECG Electrocardiogram Amplifier

Part #: ECG100C

The ECG100C Electrocardiogram Amplifier records electrical activity generated by the heart and will reliably record ECG from humans, animals and…

ECG Electrocardiogram MRI-Amplifier

ECG Electrocardiogram Amplifier for MRI

Part #: ECG100C-MRI

The ECG100C-MRI Electrocardiogram Amplifier records electrical activity generated by the heart and will reliably record ECG from humans, animals and…

EEG Electroencephalogram Amplifier

Electroencephalogram Amplifier

Part #: EEG100C

The EEG100C Electroencephalogram (EEG) Amplifier amplifies bioelectric potentials associated with neuronal activity of the brain and can be used to…

Electroencephalogram MRI-Amplifier

Electroencephalogram EEG Amplifier for MRI

Part #: EEG100C-MRI

MRI Smart Amplifier The EEG100C-MRI Electroencephalogram (EEG) Amplifier amplifies bioelectric potentials associated with neuronal activity of the brain and can…

EGG Electrogastrogram Amplifier

Electrogastrogram Amplifier

Part #: EGG100C

The EGG100C Electrogastrogram Amplifier amplifies the electrical signal resulting from stomach and intestinal smooth muscle activity. The amplifier monitors the…

EMG Electromyogram Amplifier

Electromyogram Amplifier

Part #: EMG100C

The EMG100C Electromyogram Amplifier amplifies general and skeletal muscle electrical activity. The amplifier functions directly with AcqKnowledge to perform real-time…

EOG Electrooculogram Amplifier

Electrooculogram Amplifier

Part #: EOG100C

The EOG100C Electrooculogram Amplifier amplifies corneal-retinal potential. The amplifier monitors the DC potential on the skin surrounding the eyes, which…

EMG Electromyogram Amplifier for MRI

EMG Electromyogram Amplifier for MRI

Part #: EMG100C-MRI

MRI Smart Amplifier The EMG100C-MRI Electromyogram Amplifier amplifies general and skeletal muscle electrical activity. The amplifier functions directly with AcqKnowledge to…