Analog Input Section
Channels
8
Connectors
Fully isolated BNC (Plastic), 1 per channel
Input type
Analog, isolated, single
-
ended, unbalanced differential
Input coupling
DC, GND
Impedance
1 MΩ
±
1% // 55 pF
±
10%
Ranges
±
2.0 V,
±
4.0 V,
±
10.0 V,
±
20 V,
±
40 V,
±
100 V
Each fixed range supports a variable gain with 1000 steps (0.1%).
Variable gain creates 1000 extra ranges between two fixed ranges.
Offset
±
50% in 1000 steps (0.1%);
±
100 V range has fixed 0% offset
DC Offset error
Wideband
0.1% of Full Scale
±
2 mV
Bessel IIR and FIR
0.1% of Full Scale
±
10 μV
Offset error drift
±
100 ppm/°C (
±
180 ppm/°F)
DC Gain error
Wideband
0.1% of Full Scale
±
2 mV
Bessel IIR and FIR
0.1% of Full Scale
±
10 µV
Gain error drift
±
70 ppm/°C (
±
130 ppm/°F)
Maximum static error (MSE)
Wideband
0.1% of Full Scale
±
2 mV
Bessel IIR and FIR
0.1% of Full Scale
±
10 µV
RMS Noise
Wideband
0.02% of Full Scale
±
10 μV
Bessel IIR and FIR
0.02% of Full Scale
±
10 μV
Common mode
Rejection Ratio (CMRR)
> 72 dB @ 80 Hz
Voltage
250 V DC
Input overload protection
Maximum voltage
±
250 V DC
Overload recovery time
Restored to 0.1% accuracy in less than 1 μs after 200% overload
Isolation
Channel to chassis
±
250 V DC
Channel to channel
±
500 V DC
Nondestructive to chassis (earth)
±
250 V DC
GEN3i
I3763-3.1 en HBM: public
1085
