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National Instruments NI 9233 User Manual

Page 21

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© National Instruments Corp.

21

NI 9233 Operating Instructions and Specifications

Overvoltage protection (with respect to chassis ground)

For an IEPE sensor connected
to AI+ and AI– ........................... ±30 V
For a low-impedance source
connected to AI+ and AI– .......... –6 to 30 V

Input delay

≤25.65 kS/s ................................12.8/f

s

+ 3

μs

>25.65 kS/s ................................ 9.8/f

s

+ 3

μs

Accuracy (–40 to 70 °C)

Calibrated typ ............................. ±0.1 dB
Calibrated max ........................... ±0.3 dB
Uncalibrated max ....................... ±0.6 dB

Accuracy drift

Typical ........................................ 0.001 dB/°C
Maximum ................................... 0.0045 dB/°C