Check the listing for details. National Instruments NI 9225 cDAQ High Voltage Analog Input Module. Condition: Used. Listed at 495.00 USD. National Instruments 9225 simultaneous high-voltage input module for cDAQ / cRIO systems. Tested, fully functional, and in good physical condition with minor cosmetic marks. 300 Vrms, 50 kS/s/ch, 24-Bit, Simultaneous Input, 3-Channel C Series Voltage Input Module—The NI‑9225 performs differential analog input. The wide measurement range is well suited for high-voltage measurement applications such as power metering, power quality monitoring, motor test, battery stack testing, and fuel cell tests. You can perform transient and harmonic analysis with high-speed simultaneous sampling. In addition, you can prevent ground loops and add safety to a system with 600 Vrms channel‑to‑channel isolation between the three NI‑9225 channels. For additional information and resources, use the model name to search the manufacturer's website.