The National Instruments (NI) 9239 is a four-channel, 24-bit analog input module designed for use with NI CompactDAQ and CompactRIO systems. Each channel supports a differential input range of ±10 V and offers simultaneous sampling at rates up to 50 kS/s per channel.
Key Features:
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Channels: 4 differential analog input channels
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ADC Resolution: 24 bit
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Sampling Rate: Up to 50 kS/s per channel
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Input Range: ±10 V
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Isolation: Channel-to-channel isolation up to 250 Vrms (screw terminal version) or 60 VDC (BNC version), providing protection against harmful voltage spikes and eliminating ground loop errors
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Connectivity Options: Available with screw terminal or BNC connectors
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Filtering: Incorporates anti-alias filters for improved measurement accuracy
The NI 9239 is engineered for applications requiring high-resolution and high-speed analog measurements, making it suitable for a variety of general-purpose data acquisition tasks.







