Technical Specification

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 680mAh

Battery life (typical)

9 hours

Impedance Measurement

Real-time contact quality using patented system

IMU Part

ICM-20948

Accelerometer

3-axis +/-8g

Gyroscope

3-axis +/- 2000 dps

Magnetometer

3-axis +/- 12 gauss

Motion Sampling

16 Hz

Motion Resolution

16-bit

Sensor Material

Sintered Ag/AgCl (EPOC Flex Gel model) can be used with any EEG gel

Electroplated Ag/AgCl (EPOC Flex Saline models) replaceable polyester felt pads can be sterilised and re-used (bulk pack available for separate purchase)