Neurosoft Neuron-Spectrum-61 Technical Manual page 14

Neuron-Spectrum-61, 62, 63, 64, 65 (Technical Manual)
Table 2. Continued
Common mode rejection at 50 Hz
Input impedance at 3 Hz
Voltage range
Voltage measurement error
Input impedance at 3 Hz
Number of channels
Increase of direct current channels (by using two similar electronic
units simultaneously)
Operating modes
Voltage range
Voltage measurement error
Input impedance at 3 Hz
Input voltage measurement range
Permissible relative error of input voltage measurement (10 Hz
frequency):

in the range (modulo) from more than 10 up to 50 µV inclusive

in the range (modulo) from more than 50 µV up to 350 mV
inclusive

in the range (modulo) from more than 350 up to 1100 mV

in the range (modulo) from 0 up to 10 µV inclusive
Sensitivity at signal acquisition (except EP)
Sensitivity at EP acquisition
Sensitivity relative error at printing
Amplitude at displaying and printing by each channel of calibration
markers
Permissible relative error of recording of calibration markers at
printing
14
Parameters
Differential channels in direct current acquisition mode
Direct current channels
Direct current channels in direct current acquisition mode
Direct current channels in referential mode
Values
not less than 120 dB
not less than 100 MΩ
from minus 2,5 up to plus 2,5 V
±5 % or 10 mV depending on
which value is more
not less than 100 MΩ
1)
-/-/-/-/11/-
yes
direct current acquisition mode
and referential mode
from minus 2,5 up to plus 2,5 V
±5 % or 10 mV depending on
which value is more
not less than 100 MΩ
from –1.1 up to 1.1 V, can be set
by the program with the following
discrete values: ± (350,
500, 650, 900, 1100) mV
±15%
±5%
±2%
not defined
1, 2, 5, 7, 10, 15, 20, 50, 70, 100,
200, 500, 1000 µV/mm
arbitrary sensitivity value can be
assigned in the range from 1 to
10000 µV/mm
1, 2, 5, 10, 20, 50, 100, 200,
500 µV/div.
± 5 %
1, 2, 5, 10, 20, 50, 100, 200, 500,
1000 µV
± 5 %