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National Instruments CFP-SG-140 Strain gauge input module
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National Instruments · Compact FieldPoint

CFP-SG-140

The NI CFP-SG-140 is an eight-channel strain gauge input module for Compact FieldPoint. NI identifies it as a full- and half-bridge measurement module with a maximum nominal input range of ±60 mV/V.

ManufacturerNational Instruments
ModelCFP-SG-140
Part Number777318-140
Product TypeStrain gauge input module
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Free Shippingfull policy linked
30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
PlatformCompact FieldPoint
Input channels8
ADC resolution16-bit
Sensor excitation2.5, 5 or 10 V
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Overview

Product overview

Key product information and technical features.

The CFP-SG-140 occupies the strain measurement role in the Compact FieldPoint I/O family. Its eight channels support full- and half-bridge sensors; it is a measurement input module, not an arbitrary waveform generator.

  • Eight strain input channels.
  • Full- and half-bridge measurement support.
  • Per-channel selectable input ranges.
  • Selectable excitation and filter settings.
Verified specifications

Technical data

Verified product specifications.

Input channels8 channels
ADC resolution16 bit
ADC typeDelta-sigma
Nominal input ranges±3.5, ±7.5, ±30, ±60 mV/V
Excitation settings2.5, 5, 10 V
Excitation current limit per channel21 mA
Filter settings15, 60, 240 Hz
Condition & included items

What the actual unit includes

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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

Modular I/O platform

CFP-SG-140

Eight-channel strain input

Installation

Mounts on a cFP-BP-x backplane.

Check bridge resistance against the selected excitation; quarter-bridge sensors require an external completion resistor.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

FP-SG-140 and cFP-SG-140 Operating Instructions — JapaneseOperating Instructions And Specifications · download.ni.com
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Transitioning From Compact FieldPoint to CompactRIOPlatform Migration Guide · ni.com
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NI Compact FieldPoint migration comparisonTechnical resource
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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.

Is the CFP-SG-140 a signal generator?

No. NI identifies the cFP-SG-140 as an eight-channel strain input module for full- and half-bridge measurements.

Can it measure quarter-bridge sensors?

Yes, with an external completion resistor and half-bridge completion enabled as described in the manual.

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