NI 9229E/9239E
16
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Accuracy, NI 9239E
Input noise
NI 9229E .................................... 320
μ
V
rms
NI 9239E .................................... 70
μ
V
rms
Stability
Gain drift .................................... ±5 ppm/°C
Offset drift
NI 9229E.............................. ±150
μ
V/°C
NI 9239E.............................. ±26
μ
V/°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
