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Technical Specifications
Device
EPOC Flex
No. of Channels
32 (plus CMS/DRL references)
Channel names
Configurable on standard 72 channel international 10-20 locations.
Sampling method
Sequential sampling. Single ADC
Sampling rate
128 SPS (1024 Hz internal)
EEG Resolution
14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor discarded)
Max Slew Rate
32.64uV/sample (Compression required for BLE data transmission)
Bandwidth
0.2 - 45Hz, high attenuation at 50Hz and 60Hz
Filtering
Built in digital 5th order Sinc filter
Dynamic range (input referred)
+/- 4.12 mV
Coupling mode
AC coupled
Connectivity
Proprietary 2.4GHz wireless, BLE(coming soon)
Battery Capacity.
LiPo battery 595mAh
Battery life (typical)
6-9 hours
Impedance Measurement
Real-time contact quality using patented system
IMU Part
ICM-20948 3-axis Accelerometer, 3-axis Gyroscope, 3-axis Magnetometer. Data Output 10 channels Quaternions, (Q0, Q1, Q2,Q3), Acceleration (X,Y,Z) and Magnetometer (X,Y,Z)
Motion Sampling
16 Hz
Motion Resolution
8-bit Output
Sensor Material
Sintered Ag/AgCl (EPOC Flex Gel model) can be used with any EEG gel
Electroplated Ag/AgCl (EPOC Flex Saline models) with replaceable polyester felt pads that can be sterilised and re-used (bulk pack available for separate purchase)
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