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National Instruments · SCXI

SCXI-1121

The SCXI-1121 provides four isolated input channels and four isolated excitation channels for SCXI signal conditioning.

ManufacturerNational Instruments
ModelSCXI-1121
Part Number181700-01
Product TypeIsolation amplifier with excitation
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Inputs4 isolated channels
ExcitationVoltage or current
Output modesParallel or multiplexed
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Overview

Product overview

Key product information and technical features.

The module conditions sensor signals before digitization by a separate DAQ device.

  • Jumper-configurable gain.
  • Lowpass filtering.
  • Independently configurable excitation channels.
Verified specifications

Technical data

Verified product specifications.

Excitation channels4 channels
Voltage excitation settings3.333 or 10 V
Current excitation settings150 or 450 µA
Condition & included items

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Condition

Confirmed per unit.

Included

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Revision

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Compatibility

Complete the measurement chain

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National Instruments

Manufacturer

SCXI

Signal-conditioning platform

SCXI-1121

Isolation and excitation

Compatibility

SCXI-1320 and SCXI-1328 terminal blocks.

Check module revision, jumper settings and terminal-block wiring before installation.
Manuals & software

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Shipping
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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.

Does the SCXI-1121 digitize signals?

No. A separate DAQ device digitizes its conditioned outputs.

Can it support simultaneous isolated strain measurements?

NI documents a single SCXI-1121 with an S-series DAQ device for this application. Follow the documented system configuration.

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