© National Instruments Corp. 23 NI 9234 Operating Instructions and Specifications
Accuracy11 Refer to the NI 9234 Circuitry section for information regarding grounded signal
sources and measurement accuracy.
Measurement Conditions
Percent of
Reading
(Gain Error)
Percent of
Range*
(Offset Error)
Calibrated max (–40 to 70 °C) 0.34%,
±0.03 dB
±0.14%,
7.1 mV
Calibrated typ (25 °C ±5 °C) 0.05%,
±0.005 dB
±0.006%,
0.3 mV
Uncalibrated max (–40 to 70 °C) 1.9%,
±0.16 dB
±0.27%,
13.9 mV
Uncalibrated typ (25 °C ±5 °C) 0.48%,
±0.04 dB
±0.04%,
2.3 mV
* Range = 5.1 Vpk