National Instruments CFP-RTD-122 RTD and resistance input module
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National Instruments · Compact FieldPoint

CFP-RTD-122

The CFP-RTD-122 is an eight-channel Compact FieldPoint module for RTD temperature and resistance measurements.

ManufacturerNational Instruments
ModelCFP-RTD-122
Product TypeRTD and resistance input module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Channels8
RTD wiringTwo- and three-wire
SensorsPt100 and Pt1000
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Overview

Product overview

Key product information and technical features.

This module belongs to the Compact FieldPoint I/O ecosystem. NI identifies it as an eight-channel RTD input with a resistance input span extending to 4,000 Ω.

  • Three-wire lead-resistance compensation.
  • Built-in linearization for six RTD TCR values.
  • 50 and 60 Hz noise filtering.
Verified specifications

Technical data

Verified product specifications.

Input channels8
ADC resolution16 bit
Resistance ranges0–400; 0–4,000 Ω
Temperature measurement range−200 to 850 °C
Channel update interval1.08 s
Operating temperature−40 to 70 °C
Channel-to-channel isolationNone
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

Compact FieldPoint

I/O platform

CFP-RTD-122

RTD input

Mounting

cFP-BP-x backplane

Configure each channel for its connected RTD; sensor type is not automatically detected.
Manuals & software

Technical resources

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Shipping, warranty & returns

Commercial terms

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Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Can it measure resistance directly?

Yes, using either the 400 Ω or 4,000 Ω range.

Does it provide four-wire RTD measurement?

Its compensated connection is three-wire. NI recommends the cFP-RTD-124 for four-wire RTDs.

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