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National Instruments NI-9244 C Series Voltage Input Module

The National Instruments NI-9244 (Part Number: 783106-01) is an analog input module intended for industrial high-voltage measuring applications. For applications including phasor measurements, power metering, power quality monitoring, industrial machinery, and motor testing, it provides a wide measurement range of single-ended analog input. The NI-9244 improves accuracy in a variety of industrial processes thanks to its capacity for transient and harmonic analysis through high-speed simultaneous sampling.This module guarantees accurate data acquisition with its 24-bit Delta-Sigma ADC with analog prefiltering and four analog input channels. Accurate voltage measurements across its channels are made possible by its scaling coefficient of 118,911 nV/LSB. The simultaneous sampling method increases data collection efficiency even further.

The NI-9244 is designed to accommodate a wide range of industrial installations by supporting single- or three-phase measurement modes like WYE and delta. It ensures compliance and dependability by adhering to several standards, such as IEC 61010‑1, C37.90, C37.60, IEC 60255‑22‑(1:7), IEC 60255‑1, C37.188 Class M and P, EMC section of IEC 60870, EMC portions of IEC 61850, IEC 61000‑4‑30 Class S, and IEC 61000‑4‑7. The NI-9244 meets a variety of sampling rate needs in industrial applications with a broad data rate range that includes 390.625 S/s to 51.2 kS/s using the external master timebase and 1.613 kS/s to 50 kS/s using the internal master timebase.

With its remarkable crosstalk suppression, CMRR, SFDR, and THD capabilities, the module ensures precise and dependable measurements even in noisy settings. Because it can function in a broad temperature range of -40 °C to 70 °C, it can be used in tough industrial environments.The NI-9244 can accommodate wire gauges ranging from 0.2 mm² to 3.0 mm² and is made to be easily integrated into industrial systems using screw-terminal wiring. Its 150 g weight and small size make maintenance and installation easier.Because of its sturdy design, the module can tolerate operational shocks of up to 30 g and operating vibrations of up to 5 g RMS, guaranteeing dependable operation in harsh industrial settings.