National-instruments 24-Bit Half/Full-Bridge Analog Input Module NI 923 Manuale Utente Scaricare il pdf (Pagina 23)

Overvoltage protection

between any two pins........................ ±30 V

Accuracy

Gain drift........................................... 10 ppm/°C max

Offset drift

2.5 V excitation .......................... 0.6 μV/V per °C

3.3 V excitation .......................... 0.5 μV/V per °C

5 V excitation ............................. 0.3 μV/V per °C

10 V excitation ........................... 0.2 μV/V per °C

Measurement Conditions

Percent of

Reading

(Gain Error)

Percent of

Range

(Offset Error)

Calibrated typ (25 °C, ±5 °C) 0.05% 0.05%

Calibrated max (–40 to 70 °C) 0.20% 0.25%

Uncalibrated typ (25 °C, ±5 °C) 0.20% 0.1%

Uncalibrated max (– 40 to 70 °C) 0.60% 0.35%

Before offset null or shunt calibration.

Range equals 25 mV/V.

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National-instruments 24-Bit Half/Full-Bridge Analog Input Module NI 923 Manuale Utente Pagina 23