National Instruments NI 9225 C Series Voltage Input Module

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National Instruments · C Series

NI 9225

The NI 9225 is a three-channel differential voltage input module rated for 300 Vrms measurements, with 24-bit resolution and simultaneous sampling up to 50 kS/s per channel.

ManufacturerNational Instruments

ModelNI 9225

Part Number780159-01

Product TypeC Series Voltage Input Module

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Inputs3 differential channels

Measurement range300 Vrms

Resolution24-bit

Sampling50 kS/s/ch, simultaneous

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Overview

Product overview

Key product information and technical features.

The NI 9225 supports direct voltage waveform acquisition in systems up to 300 Vrms. NI identifies it for use with CompactDAQ and CompactRIO measurement systems.

Use the operating instructions to review wiring, pin assignments and safety requirements. Module ratings do not establish the safety rating of the complete measurement system.

Simultaneous acquisition across all three inputs.
600 Vrms channel-to-channel isolation.
Anti-alias filtering.

Verified specifications

Technical data

Verified product specifications.

Differential input channels	3 channels
Analog input range	0 to 300 Vrms
Resolution	24 bits
Maximum sampling rate per channel	50 kS/s/ch
Channel-to-channel isolation	600 Vrms
Operating temperature	-40 to 70 °C
Front connection for 780159-01	Screw terminal

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Compatibility

Complete the measurement chain

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National Instruments

Manufacturer

C Series

Module interface

NI 9225

Voltage acquisition

System platforms

CompactDAQ and CompactRIO; verify the specific chassis and software configuration.

Review the module manual and each system component's safety ratings before connecting high voltage.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9225 Product PageProduct Page · ni.com

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NI 9225 Operating Instructions and SpecificationsOperating Instructions And Specifications · ni.com

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C Series Module and CompactDAQ or CompactRIO Hardware CompatibilityTechnical resource

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How to Measure Voltage, Current, and PowerTechnical resource

Open →

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CompactDAQ

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Which applications does NI identify for the NI 9225?

NI lists power metering, power quality monitoring, motor testing, battery stack testing and fuel cell testing.

Where should chassis and software support be checked?

Consult NI's C Series hardware compatibility guide and its linked software support information for the intended controller, chassis and programming mode.