VU-AMS > Hardware

Specifications

Dimensions L x W x H : 126 x 69 x 32 mm

Weight with battery and leads : 260 gr

Data memory : Compact flash up to 4GB

Power : 2 AA Alkaline batteries / 2 AA Nickel-metal hydride batteries

Communication : Infrared to USB

Recording time : 24 to 48 hrs

Measurement

Signal Range Max. sample freq. Digitalization Impedance  
ECG 11mVp-p NOTE 1 kHz 16 bit > 10MΩ Differential input to common
ICG ΔZ0 1/-1 Ω 1 kHz 16 bit > 10kΩ Used to do offline computation of dZ/dt
ICG Z0 0-36 Ω 250 Hz 12 bit > 10kΩ sensing current 330 µA (effective) @ 20kHz
SCL 0-100µS 10 Hz 16 bit > 2kΩ  
Motion (3 axes) +3/-3g 1 kHz 12 bit   Motility XYZ

We use

For ECG and ICG recording we use the Kendall ARBO H98SG ECG electrodes. [Kendall H124SG for children]

For SCL recording we use Biopac EL507 electrodes