The number of channels 4 Supply voltage 8..24 V ADC capacity 22 Power consumption 1.8 W Registered frequency range 0.1..7.5 Hz, 0.1..15 Hz, 0.1..30 Hz Nonlinear distortion factor 0.005% Instant dynamic range 115 dB The value of additional attenuator suppression Noise level at the input 20 dB, 40 dB Instability of frequency standard thermostabilized generator 0.00000001 Noise level at the input 0.2 mV Precise time setting according to GPS ATA Flash-disk capacity up to 500 Mbyte