© 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/fs + 3 μs
>25.65 kS/s ................................ 9.8/fs + 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