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- Optimal+ is now NI
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- HIL and Real-Time Software Suite
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- Repair Services
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- NI Services Program
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- Data Acquisition and Control
- Learn About DAQ
- Multifunction I/O
- Voltage
- Current
- Digital I/O
- Packaged Controllers
- CompactDAQ Chassis
- Temperature
- Sound and Vibration
- Strain, Pressure, and Force
- Electronic Test and Instrumentation
- Oscilloscopes
- Switches
- Source Measurement Units
- GPIB, Serial, and Ethernet
- Digital Multimeters
- PXI Controllers
- PXI Chassis
- Wireless Design and Test
- Software Defined Radios
- RF Signal Generators
- Vector Signal Transceivers
- Accessories
- Power Accessories
- Connectors
- Cables
- Sensors
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- Entry-Level DAQ
- New Products
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- NI-DAQmx
- NI-VISA
- NI-488.2
- Request Support
- You can request repair, schedule calibration, or get technical support. A valid service agreement may be required.  Open a service request
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NI-9437

C Series Digital Module

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VIEW PRODUCT DETAILS Configure A Custom NI System

Use our online advisors to easily combine compatible chassis, controllers, and I/O modules in your preferred platform.

CompactRIO SYSTEM CompactDAQ SYSTEM

24 VDC to 250 VDC, 8-Channel (Sinking Input), 1 µs C Series Digital Module—The NI‑9437 is well suited for direct connection in rail and power applications along with a wide array of industrial and automotive switches, transducers, and devices with high-voltage input needs. It features ratiometric thresholds that automatically adjust to 2/3 of the user supply voltage.