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National Instruments NI 9227 C Series Current Input Module
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National Instruments · CompactDAQ / CompactRIO

NI 9227

The NI 9227 is a four-channel C Series current input module rated for 5 Arms measurements, with 24-bit resolution and sampling up to 50 kS/s per channel.

ManufacturerNational Instruments
ModelNI 9227
Part Number781099-01
Product TypeC Series Current Input Module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Input channels4 current inputs
Measurement rating5 Arms
Resolution24-bit
Maximum sample rate50 kS/s per channel
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Overview

Product overview

Key product information and technical features.

The NI 9227 provides direct current acquisition using internal shunts. Its waveform measurements support analysis beyond a single current reading.

With a suitable C Series voltage input module, it supports power and energy measurements for appliance and electronic-device testing, including examination of noise, frequency and harmonics.

  • Simultaneous sampling across four current input channels.
  • Built-in anti-aliasing filters.
  • Direct current measurement through internal shunts.
Verified specifications

Technical data

Verified product specifications.

Analog input channels4 channels
ADC resolution24 bits
Maximum sample rate per channel50 kS/s/ch
Continuous current measurement rating5 Arms
Sampling modeSimultaneous
Channel-to-channel isolation250 Vrms
Operating temperature-40 to 70 °C
Front connection for 781099-01Four screw-terminal connections
Condition & included items

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Host system families covered by NI's C Series compatibility guidance

NI 9227

C Series current acquisition module

System planning

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Confirm the module part number and connector variant before selecting wiring accessories.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9227 Product Page and SpecificationsProduct Page · ni.com
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C Series Module and CompactDAQ or CompactRIO Hardware CompatibilityCompatibility Guide · ni.com
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NI-9227 Dimensional DrawingsDimensional Drawings · ni.com
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NI Guide: How to Measure Voltage, Current, and PowerTechnical resource
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Measuring the Power Consumption of CompactRIO SystemsTechnical resource
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Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the NI 9227 a bridge or strain-gauge input module?

No. NI identifies the NI 9227 as a four-channel C Series current input module rated for 5 Arms.

Can the NI 9227 be used to measure power?

Yes, when used with a suitable C Series voltage input module to acquire the corresponding voltage measurement.

Does 24-bit resolution mean 24 noise-free bits?

No. NI distinguishes nominal ADC resolution from effective resolution, which depends on signal and noise performance.

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