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BMA-400 AC-DC BIOAMPLIFIER
(Model: BMA-400 - four channels, low-noise)
Full-featured, low-noise 4-channel extracellular amplifier

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Presentation

The BMA-400 AC/DC Bioamplifier is a low-noise, fourchannel instrument for amplifying EEG, ECG, EMG, and other extracellular biopotential signals. It features exceptionally low noise, a wide gain range, and sharp cutoff bandpass filters. It can be used as a stable DC amplifier, and includes adjustable DC input offset controls.

Key features

The BMA-400 features a high-impedance instrumentation amplifier differential front-end, for the lowest noise and best rejection of spurious signals. Gain is adjustable from 10X - 50,000X, extensible to 500,000X with optional headstages, making it possible to resolve microvolt level signals with ease. A special logic input allows a stimulus to be passed through the recording electrodes. This stim/record input, as well as the four channel outputs, are connected to a multi-pin connector on the rear panel for convenient cable connections. Four input connectors are provided for custom wiring of the inputs. Pre-wired cables are available as an option.

Domains of application

Applications for the BMA-400 Bioamplifier include multi-channel EEG, EMG, and other extracellular biopotential measurements. For recording from human subjects, optional ISO-Z Isolation Amplifier head-stages are available. For high-impedance microelectrode work, the SUPER-Z head-stage is available, which provides a calibrator as well as additional gain and buffering.

Note: Not to be used for human life support applications.

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Input type Differential
Input range for full-scale output +100mV - 0.5V
Input impedance >10,000MW
Noise, referred to input <5mV P-P, wideband
Common Mode Rejection >95dB
Gain range 10X - 50,000X, 12-positions
Low-pass filter 100Hz - 50kHz, 6-positions
High-pass filter DC - 100Hz, 6-positions
Filter type, slope Butterworth, flattest response, -12dB/octave
Stim/record input TTL
Input connections (rear panel) Amphenol 703-91T-3478-009 7-pin
Output connections (rear panel) BNC jack
Data port connector (rear panel) 25-pin D-SUB female
Power requirements 115/230VAC, 10VA
Dimensions 12W x 4H x 9D inches, 30 x 10 x 23 cm

Model:
BMA-400
BMA-400 AC-DC Bioamplifier
four channels, low-noise Contact us

Related products:
BMA-200
BMA-200 AC-DC Bioamplifier
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Bioseb - In Vivo Research Instruments
Phone worldwide : +33 442 344 360 - USA/Canada : (727) 521-1808
e-Mail : Worldwide: info@bioseb.com - USA/Canada: info-us@bioseb.com