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July 2025
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SCXI-1313, 18 Screw Terminal, High-Voltage Attenuator Terminal Block
Rated 5/5 | 13 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 SCXI-1313 High-Voltage Attenuator Terminal Block
The SCXI-1313 (Part Number: 777687-13) is a Shielded Terminal Block designed for optimal use with the SCXI-1125 module. Every channel on the SCXI 1313 has a precision 100:1 resistive voltage divider that the user can utilize to measure voltages to 300 VRMS maximum or ±300 VDC with the use of the SCXI-1125. For low-voltage measurement applications, the user can separately bypass the dividers. There are 18 screw terminals on the NI SCXI-1313 Terminal Block which allow simple signal connection. One pair of screw terminals links to the SCXI-1125 module chassis ground. The other eight pairs of screw terminals link signals to the eight analog inputs.
The user can enable or disable the attenuator on the NI SCXI 1313 by altering the standard configuration settings for the Terminal Block in Measurement & Automation Explorer. The other option is for the user to alter the input limit ranges in their application. If the user is utilizing virtual channels, then the input limits configured in the virtual channel configurator are utilized to designate the attenuation circuitry correctly.
The Terminal Block is run using the NIDAQmx driver software which is compatible with software packages or application development environments such as LabVIEW or LabWindows/CVI. The device can be configured using the Measurement & Automation Explorer (MAX) tool.
The SCXI-1313 Terminal Block has a temperature sensor that can output 1.91 to 0.65 V in a temperature range of 0 to 50 °C. If the user is utilizing LabVIEW, they can take advantage of the Convert Thermistor Reading. The user should utilize many samples to acquire the most precise reading possible. Loud conditions necessitate a larger number of samples to ensure preciseness.
The NI device weighs 7 oz, and measures 7.000 x 3.125 x 1.200 in. in physical dimensions. It has a recommended storage temperature range of –20 to 70 °C, and a non-condensing relative humidity range of 10 to 90%. The SCXI-1313 is designed to comply with the following electrical safety standards: IEC 61010-1, UL 3111-1, and CAN/CSA C22.2 No. 1010.1.
SCXI-1313 Obsolete Status has been announced by National Instruments, but the Terminal Block will still be available for purchase and repairs by Apex Waves.
| Model | SCXI-1313 |
|---|---|
| Part Number | 777687-13 |
| Manufacturer | National Instruments |
| Type | High-Voltage Attenuator Terminal Block |
| Screw Terminals | 18 |
| Maximum Wire Gauge | 16 AWG |
| Coupling | DC |
| Dimensions | 7.0 by 3.125 by 1.2 in. |
| Weight | 7 oz. |
| Warranty | Three Year Warranty |
| SCXI-1313 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for SCXI-1313:
National Instruments SCXI-1313 Frequently Asked Questions
Question: Does the SCXI-1313 have a voltage divider?
Answer: Yes, the SCXI-1313 has a 100:1 resistive voltage divider that you can use to measure voltages of up to 300 Vrms with the SCXI-1125.
Question: How many screw terminals does the SCXI 1313 have?
Answer: The SCXI 1313 has 18 screw terminals.
Question: Does the NI SCXI-1313 have a high-voltage attenuator?
Answer: The NI SCXI-1313 has a 100:1 high voltage attenuator for each channel that can be enabled or disabled by the user.
Question: How do you clean the SCXI-1313?
Answer: You can clean the SCXI-1313 with a soft, nonmetallic brush.
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