National Instruments NI 9225E Percent of, Percent of, Measurement Conditions

Accuracy

	Percent of	Percent of
	Reading	Range*
Measurement Conditions	(Gain Error)	(Offset Error)
Calibrated max (–40 to 70 °C)	±0.23%	±0.05%
Calibrated typ (25 °C, ±5 °C)	±0.05%	±0.008%
Calibrated max (25 °C, ±15 °C)	±0.084%	±0.016%
Uncalibrated max (–40 to 70 °C)	±1.6%	±0.66%
Uncalibrated typ (25 °C, ±5 °C)	±0.4%	±0.09%
* Range equals 425 V.
Input noise ........................................	2 mVrms
Stability
Gain drift ....................................	±10 ppm/°C
Offset drift ..................................	±970 μV/°C
Post calibration gain match
(ch-to-ch, 20 kHz).............................	±0.25 dB max

© National Instruments Corp. 15 NI 9225E Operating Instructions and Specifications