Owner’s Guide
29
Specifications
Input
Connection type:
2 × 4 mm shrouded sockets. Custom cable with two
shrouded banana plugs and terminated with two
dry, bright-plated, bipolar electrodes with Velcro™
attachment strap suitable for adult fingers.
Excitation:
Constant-voltage AC excitation
(22
mV
rms
@ 75 Hz)
Current density:
0.5 µA .cm
–2
Safety:
Approved to IEC 60601-1 Standard (BF rating)
EMC: Approved
to
EN61326-1:2006 Standard
Configuration:
Transformer isolation (AC bridge operation)
Isolation rating:
4000 V AC
rms
for 1 minute
Input ranges:
1–40 µS full scale in 6 steps
(combined PowerLab and GSR Amp)
0–40
µS
0–20
µS
0–10
µS
0–4
µS
0–2
µS
0–1
µS
Frequency response:
–3 dB at 1 Hz
Accuracy: ± 5%
Input leakage current:
< 3 µA
rms
at 240 V, 50 Hz
< 2 µA
rms
at 120 V, 60 Hz
Zeroing and off set:
Automatic soft ware-controlled fast zeroing, controlled
by internal 12-bit DAC; resolution = ± 0.2 µS
Output
Signal:
± 2.0 V full scale: suitable for PowerLab
Control Port
I
2
C port:
Provides control and power. Interface communications
rate of ~50 kbits/s.
Содержание FE231
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