National Instruments NI 9235, Operating Instructions Manual, Page: 23 / 38

© National Instruments Corp. 23 NI 9235/9236
Acc u racy, NI 9236
Stability, NI 9236
Gain drift.............................. 6 ppm/°C
Offset drift............................ 1.7
μ
V/V/°C
Measurement Conditions
Percent of
Reading
*
(Gain Error)
Percent of Range
†,
‡
(Offset Error)
30 days
after cal.
( ±5 °C)
1 year
after cal.
( ±5 °C)
Calibrated typ (25 °C, ±5 °C) 0.02% 0.08% 0.14%
Calibrated max (–40 to 70 °C) 0.07% 0.16% 0.39%
Uncalibrated typ (25 °C, ±5 °C) 0.15% 0.79%
Uncalibrated max (–40 to 70 °C) 0.53% 1.67%
*
Excl u sive of lead wire desensitization error.
†
Range eq u als 29.4 mV/V.
‡
Calibrated errors represent offset stability following u nstrained
meas u rement. Errors incl u de the effect of completion resistor tolerance
and drift.