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National Instruments NI-9219 C Series Universal Analog Input Module
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National Instruments · CompactDAQ and CompactRIO

NI-9219

The NI-9219 is a four-channel universal analog input module for CompactDAQ and CompactRIO. Individually selectable measurement types support mixed-sensor acquisition in one module.

ManufacturerNational Instruments
ModelNI-9219
Part Number779781-02
Product TypeC Series Universal Analog Input Module
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30-Day Returnspolicy applies
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Inputs4 differential channels
Resolution24-bit simultaneous sampling
Maximum sample rate100 S/s/ch; 50 S/s/ch with thermocouple measurements
Sensor supportRTD, thermocouple and bridge
ConnectionsSpring terminals
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Overview

Product overview

Key product information and technical features.

Designed for multipurpose testing, the NI-9219 measures signals from strain gauges, RTDs, thermocouples, load cells and powered sensors. Each channel can use a different measurement type.

Internal excitation and measurement-specific signal conditioning support direct sensor connections. Timing modes trade acquisition speed against resolution and power-line noise rejection.

  • Independent measurement-type selection on all four channels.
  • Supports quarter-bridge, half-bridge and full-bridge measurements.
  • Built-in voltage and current excitation for supported sensor modes.
  • Channel-to-channel isolation separates measurement channels.
Verified specifications

Technical data

Verified product specifications.

Differential analog input channels4 channels
ADC resolution24 bits
Maximum sample rate100, mode-dependent S/s/ch
High-speed conversion time with thermocouple channel configured20 ms
Nominal voltage input ranges±60 V, ±15 V, ±4 V, ±1 V, ±125 mV
Current input range±25 mA
Continuous channel-to-channel isolation250 V AC, Measurement Category II; observe installation restrictions
Front connectionSpring terminal
Conformal coating for part number 779781-02Yes
Condition & included items

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Condition

Confirmed per unit.

Included

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Revision

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Host platforms

NI-9219

C Series universal analog input module

Wiring

Terminal assignments depend on the selected measurement mode.

Check the connector-specific pinout and safety limits before wiring; isolation voltage is not the signal measurement range.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9219 Product PageProduct Page · ni.com
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NI-9219 and sbRIO-9219 SpecificationsSpecifications · ni.com
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NI-9219 Getting StartedGetting Started Guide · ni.com
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C Series Hardware Compatibility with LabVIEWTechnical resource
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Shipping, warranty & returns

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Shipping
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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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Related products

Alternatives & system components

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NI-9205View product →

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CompactDAQ

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Can different sensors be measured on different channels?

Yes. Each channel has an individually selectable measurement type.

Does the NI-9219 always acquire at 100 S/s/ch?

No. The rate depends on timing mode and sensor configuration. High-speed conversion takes 10 ms without thermocouple channels and 20 ms when any channel is configured for a thermocouple.

What distinguishes part number 779781-02?

NI identifies 779781-02 as the conformal-coated NI-9219 variant.

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