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July 2025
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cFP-SG-140, 8-Channel, Low-Noise, Strain/Bridge Input Module for Compact FieldPoint
Rated 4.6/5 | 10 ratings
Actual item may vary if no part number is provided on quote request.
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments cFP-SG-140 Strain/Bridge Input Module
The cFP-SG-140 is a Strain/Bridge Input Module for Compact FieldPoint designed by National Instruments. The cFP-SG-140 is available under part number 777318-140. This module is used to measure full/half bridge strain gauges and is compatible with different sensors that are bridge-based. The NI cFP-SG-140 is a plug-and-play module, which means that the system can automatically detect modules. Thus, it offers a simple installation solution. The module needs little maintenance since it has an onboard diagnostic feature. The cFP-SG-140 also features a built-in excitation mode, which supports different programmable excitation levels. To ensure precise and accurate measurements, the cFP-SG-140 can be calibrated.
The cFP-SG-140 Strain/Bridge Input Module has eight differential input terminals. The ADC resolution of the input terminal is 16 bits. A delta-sigma ADC is used in the cFP-SG-140. The impedance of the input terminals is 20 MΩ. The built-in excitation is user selectable and has different excitation voltages. The supported voltage levels are 2.5 V, 5 V, and 10V. The NI cFP-SG-140 is a low noise module with different noise filters. The user can select any filter depending upon the application requirement. The cFP-SG-140 features 15 Hz, 60 Hz, and 240 Hz filters. The range for the update time of all channels is 0.9 sec to 1.15 sec. Also, the device has a channel update rate of 1.11 to 0.87 Hz.
The NI cFP-SG-140 can withstand 2300 Vrms of transient voltage. The continuous isolation voltage is up to 250 Vrms. The adjacent channels of the module are not isolated. The cFP-SG-140 has two green and eight red indicator lights. The green LEDs are for POWER and READY status indication. The red lights are associated with input channels. These lights indicate the overcurrent state of corresponding channels.
The cFP-SG-140 weighs 3.7 oz, and measures 4.3 x 4.2 x 3.6 in. in physical dimensions. The NI device has recommended operating and storage temperature ranges of –40 to 70 °C and –55 to 85 °C respectively, a non-condensing relative humidity range of 10 to 90%, random and sinusoidal operating vibrations of 5 grms and 5 g respectively – all at a frequency range of 10 to 500 Hz.
| Model | cFP-SG-140 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 777318-140 |
| Type | Strain/Bridge Input Module for Compact FieldPoint |
| Input Channels | 8 |
| Resolution | 16 bits |
| All Channel Update Rate | 1.11 to 0.87 Hz |
| Dimensions | 4.3 x 4.2 x 3.6 in. |
| Weight | 3.7 oz. |
| Warranty | ThreeYear Warranty |
| cFP-SG-140 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for cFP-SG-140:
National Instruments cFP-SG-140 Frequently Asked Questions
Question: Does the NI cFP-SG-140 require periodic calibration or verification?
Answer: The NI cFP-SG-140 should have periodic calibration, which you can do on your own.
Question: What does it mean if the cFP-SG-140 has a flashing power LED and it’s not recognized in MAX?
Answer: If your cFP-SG-140 has a flashing power LED and is not showing up in MAX, it likely needs to be returned for repair.
Question: Is the cFP-SG-140 considered a low-noise input device?
Answer: The cFP-SG-140 is a low-noise input module.
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