For more information or to speak with the
Brain Vision Scientific Consulting Team dial
(877) EEG-4MRI or schedule a call
Home » BrainAmp MR plus
Since the design of the first BrainAmp MR, the neurophysiology research world moved forward and started to look at new techniques of investigating the brain in action. In light of this, it was obvious that there was a need to develop a more advanced amplifier that could cover a wider range of applications and be as flexible as required by its users.
BrainAmp MR plus at a glance
There is no need for different amplifier types as the Brain Products’ flagship represents the state of the art solution for all of the aforementioned applications.
BrainAmp MR plus | Technical specifications |
---|---|
Amplifier | |
Number of channels (per unit) | 32 |
Channel type / reference | Referential channels/acquisition of a reference using a single electrode (unipolar) |
Sampling rate | 5 kHz per channel |
Resolution | 0.1 μV / 0.5 μV per bit (switchable) |
Measuring range | ±3.28 mV / ±16.384 mV (switchable) |
BrainAmp MR plus | Technical specifications |
---|---|
Amplifier | |
Input impedance | Switchable: 10 MΩ / 10 GΩ (for DC) |
Filter type | First-order filter with 6 dB/octave |
Lower cutoff frequency (high pass) | 0 Hz in DC mode or 0.016 Hz/10 s in AC mode; switchable between AC and DC modes |
Filter type | Fifth-order Butterworth filter with 30 dB/octave |
High-cutoff frequency (low-pass)/time constant | 1000 Hz / 250 Hz (switchable for the resolutions 0.1 μV / 0.5 μV per bit) |
Input noise | ≤ 1 μVpp |
Common-mode rejection (CMR) | ≥ 110 dB |
Bit width of the A/D converter (EEG and AUX) | 16 bit |
Amplitude accuracy | ±2% |
DC offset tolerance | ±300 mV |
Integrated impedance measurement | Present; measurement includes ground electrode and reference electrode |
Signal transmission | Optically coupled using duplex fiber optic cables |
Power Supply | PowerPack (external rechargeable battery) |
Power consumption (in operation) | Max. 150 mA |
Power consumption (in standby) | Typically 7 mA |
Operating time between charges | Typically 30 hours with one amplifier, 15 hours with two amplifiers |
Dimensions (H x W x D) | Approx. 68 mm x 160 mm x 187 mm |
Weight | Approx. 1.1 kg |
Unlocking function | Present |
Locking of unused channels | Present |
Suitable for use in MR scanner room | Yes |
For more information or to speak with the
Brain Vision Scientific Consulting Team dial
(877) EEG-4MRI or schedule a call
Billing address:
Brain Vision, LLC
1204 Village Market PL #300
Morrisville, NC 27560
Shipping address:
Brain Vision, LLC
515 N. Greenfield Parkway, Suite 100
Garner, NC 27529
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