IEPE Analog Input Module Operating Instructions and Specifications

© 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