NI USB-9211/9211A User Guide and Specifications
20
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Max sampling rate (Hz)
Input bandwidth (–3 dB).........................15 Hz
Noise rejection ........................................85 dB min at 50/60 Hz
Overvoltage protection ...........................±30 V between any input and
common
Differential input impedance ..................20 M
Ω
Input current ...........................................50 nA
Input noise ..............................................1
μ
V
rms
Gain error................................................0.05% max at 25 °C,
0.06% typ (over temperature)
0.1% max (over temperature)
Offset error (with autozeroing)...............15
μ
V typ, 20
μ
V max
Gain error from source impedance .........0.05 ppm per
Ω
source impedance
due to input impedance
Offset error from source impedance .......0.05
μ
V typ, 0.07
μ
V max per
Ω
source impedance due to input
current
Power Requirements
Current consumption from USB.............500 mA, max
Suspend mode..................................2.5 mA, max
Number of
Channels in
Scan List
Type of Measurement
Temperature
with CJC and
Autozero
Temperature
with
Autozero
RAW
Analog
Input
1
4
6
12
2
3
4
6
3
2.4
3
4
4
2
2.4
3
Note
: NI-DAQmx Base always applies autozero.
