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National Instruments · NI DAQ signal conditioning accessories

SC-2042-RTD

The National Instruments SC-2042-RTD is a signal conditioning accessory designed specifically for resistance temperature detector measurements. It conditions RTD signals for a DAQ measurement system rather than serving as the temperature sensor itself.

ManufacturerNational Instruments

ModelSC-2042-RTD

Product TypeRTD signal conditioning accessory

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Measurement functionRTD signal conditioning

Accessory familySC-204x

Enclosure integrationListed internal accessory for the CA-1000

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Overview

Product overview

Key product information and technical features.

NI identifies the SC-2042-RTD as a dedicated RTD signal conditioning device and describes it as an alternative to using SCXI modules for RTD measurements.

For enclosure-based integration, NI documents installation of the SC-2042-RTD inside the CA-1000 configurable connector accessory enclosure. The enclosure guide provides mounting and internal cable instructions.

Purpose-designed signal conditioning for RTD measurements.
Documented installation within the CA-1000 accessory enclosure.
Documented connection to SC-2056 accessory-board connectors J4–J7, subject to DAQ configuration restrictions.

Verified specifications

Technical data

Verified product specifications.

Signal conditioning function	Resistance temperature detector measurement
DAQ input mode in documented SC-2056 configuration	Differential (DIFF)
Supported enclosure	CA-1000 configurable connector accessory enclosure

Condition & included items

What the actual unit includes

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Condition

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

SC-204x signal conditioning accessories

Product family

SC-2042-RTD

RTD signal conditioning accessory

Enclosure option

NI provides CA-1000 installation instructions for this accessory.

In the documented SC-2056 configuration, use differential DAQ inputs and do not combine SC-2042-RTD and SC-2043-SG boards on the same SC-2056.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

LabVIEW Data Acquisition Basics Manual — RTD measurement referenceApplication Reference Manual · download.ni.com

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CA-1000 Configurable Connector Accessory Enclosure Installation GuideInstallation Guide · download.ni.com

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Using Modules and Accessories with the SC-2056Integration Note · download.ni.com

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SC-2056 integration restrictions for SC-2042-RTDTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the SC-2042-RTD an RTD sensor?

No. NI describes it as a signal conditioning device specifically for RTD measurement, not as the temperature-sensing element.

Can the SC-2042-RTD be installed in a CA-1000 enclosure?

Yes. The CA-1000 installation guide explicitly lists the SC-2042-RTD and provides mounting instructions.

Can SC-2042-RTD and SC-2043-SG boards share an SC-2056?

No. NI warns against this combination because the SC-2042-RTD requires differential inputs while the SC-2043-SG requires nonreferenced single-ended inputs.