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July 2025
SCXI-1327
SCXI-1327, Thermistor Sensor, High-Voltage Attenuator Terminal Block
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free Domestic Ground Shipping
✔ NIST Calibration Available
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-1327 High-Voltage Attenuator Terminal Block
The SCXI-1327 (Part Number: 777687-27, 185136A-01) shielded Terminal Block has 18 screw terminals that can attach to the following module’s input connector: SCXI-1120, SCXI-1120D, SCXI-1121, SCXI-1125, or SCXI-1126. The user must bypass the attenuators on the excitation channels for accurate operation with the SCXI-1121. The SCXI 1327 can extend the input range of the SCXI-1120/D and SCXI-1121 to ±250 V. This Terminal Block can additionally extend the threshold level of the SCXI-1126 module from 5 V all the way to 300 V. There are switches in the NI SCXI-1327 which allow or disallow the extended input voltage range separately for each channel. The SCXI-1327 also decreases the input impedance of the user’s SCXI module to 1 M.
NI software has the capability to change a thermistor voltage to the thermistor temperature for the NI SCXI 1327 Terminal Block. LabVIEW can be used for this purpose; in the Data Acquisition and Signal Conditioning palette, there is a Convert Thermistor Reading VI available. However, if the user is utilizing CVI or NI-DAQ instead, they can use the Thermistor_Convert function. Then, the VI will take the output voltage of the temperature sensor, the reference voltage, and the precision resistance to output the thermistor temperature.
The SCXI-1327 Terminal Block can also be calibrated. This Terminal Block should be calibrated once a year or more frequently if the user’s application is demanding. If the model is calibrated once a year, then it will still meet the measurement preciseness standards. If the NI SCXI-1327 is not performing within specifications, then it may require repair.
The SCXI-1327 is run using the NIDAQmx driver software which can be programmed using software packages/application development environments (ADEs) such as LabVIEW or LabWindows/CVI. The NI device weighs 7 oz, and measures 7.0 x 3.125 x 1.2 in. in physical dimensions. It has recommended operating and storage temperature ranges of 0 to 50 °C and –20 to 70 °C respectively, and a non-condensing humidity range of 5 to 90%.
SCXI-1327 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-1327 |
|---|---|
| Part Number | 777687-27, 185136A-01) |
| Manufacturer | National Instruments |
| Type | High-Voltage Attenuator Terminal Block |
| Screw Terminals | 18 |
| Signal Terminals | 16 (8 pairs) |
| Coupling | DC |
| Dimensions | 7.0 by 3.125 by 1.2 in. |
| Weight | 7 oz. |
| SCXI-1327 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for SCXI-1327:
National Instruments SCXI-1327 Frequently Asked Questions
Question: What is the cold-junction sensor accuracy of the SCXI 1327?
Answer: The cold-junction sensor accuracy of the SCXI 1327 is 0.9 °C at 15 to 35 ËšC and 1.3 °C at 0 to 15 ËšC and 35 to 55 ËšC.
Question: What is the sensor output for the NI SCXI 1327?
Answer: The sensor output for the NI SCXI 1327 is 1.91 V (at 0 ËšC) to 0.58 V (at 55 ËšC) (thermistor).
Question: What is the certification and compliance for the NI SCXI-1327?
Answer: The certification and compliance for the NI SCXI-1327 is 300 V, Cat II working voltage.
SCXI-1327 PDF Manuals
ARCHIVED--LABVIEW-DATA-ACQUISITION-BASICS-MANUAL.PDF
ARCHIVED--LABVIEW-FUNCTION-AND-VI-REFERENCE-MANUAL.PDF
ARCHIVED--MEASURE-DATA-ACQUISITION-USER-MANUAL.PDF
ARCHIVED--NI-DAQ-SOFTWARE-REFERENCE-MANUAL-FOR-MACINTOSH.PDF
SCXI-1121-CALIBRATION-PROCEDURE.PDF
SCXI-1125-USER-MANUAL-AND-SPECIFICATIONS.PDF
SCXI-1126-USER-MANUAL-AND-SPECIFICATIONS.PDF
SCXI-1327-HIGH-VOLTAGE-ATTENUATOR-INSTALLATION-GUIDE-AND-SPECIFICATIONS.PDF
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