NI 9229E/9239E 16 ni.com
Accuracy, NI 9239E
Input noise
NI 9229E.................................... 320 μVrms
NI 9239E.................................... 70 μVrms
Stability
Gain drift............................... .....±5 ppm/°C
Offset drift
NI 9229E..............................±150 μV/°C
NI 9239E..............................±26 μV/°C
Measurement Conditions
Percent of
Reading
(Gain Error)
Percent of
Range*
(Offset Error)
Calibrated max (–40 to 70 °C) ±0.13% ±0.06%
Calibrated typ (25 °C, ±5°C) ±0.03% ±0.008%
Uncalibrated max (–40 to 70 °C) ±1.4% ±0.70%
Uncalibrated typ (25 °C, ±5°C) ±0.3% ±0.11%
* Range equals 10.52 V