NI 9244, 400 Vrms L-N, 24-Bit, 50 kS/s/ch, 3-Ch, AI Module (783106-01)

400 Vrms L-N, 690 Vrms L-L, 50 kS/s/ch, 24-Bit, 3-Phase C Series Voltage Input Module
The NI‑9244 performs single-ended analog input. The wide measurement range makes it ideal for high-voltage measurement applications such as phasor measurements, power metering, power quality monitoring, industrial machinery, and motor test. You can also perform transient and harmonic analysis with high-speed simultaneous sampling. The NI‑9244 offers three channels, so you can connect single‑ or three‑phase measurement configurations such as WYE and delta. You can incorporate the NI‑9244 into systems to meet standards such as IEC 61010‑1, C37.90 and C37.60, IEC 60255‑22‑(1:7), IEC 60255‑1, C37.188 Class M and P, EMC section of IEC 60870, EMC sections of IEC 61850, IEC 61000‑4‑30 Class S, and IEC 61000‑4‑7.

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Key product
Input Characteristics

  • Scaling coefficient:118,911 nV/LSB
  • Number of channels: 4 analog input channels
  • ADC resolution: 24 bits
  • Type of ADC: Delta-Sigma (with analog prefiltering)
  • Sampling mode: Simultaneous

Internal master timebase (fM)

  • Frequency :12.8 MHz
  • Accuracy : ±100 ppm maximum

Data rate range (fs) using internal master timebase

  • Minimum :1.613 kS/s
  • Maximum : 50 kS/s

Data rate range (fs) using external master timebase

  • Minimum :390.625 S/s
  • Maximum: 51.2 kS/s

Input voltage range (AIx-to-Ground, Neutral-to-Ground, AIx-to-Neutral)

  • Typical : 997.5 V pk
  • Minimum : :992 V pk
  • Overvoltage withstand : :800 Vrms continuous, 1000 Vrms for 1 s
  • Surge withstand : :8 kV (1.2 µs/50 µs)
  • Input coupling : :DC
  • Input impedance, AIx-to-Ground and Neutral-to-Ground : :2 MΩ

Environmental Characteristics
Temperature

  • Operating : -40 °C to 70 °C
  • Storage : -40 °C to 85 °C

 

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