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July 2025
781370-01
781370-01, 16 Input, AC/DC, 24-Bit, PXIe-4499 Sound and Vibration Module
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 781370-01 Sound and Vibration Module
The National Instruments 781370-01 is a top-quality 16-input Sound and Vibration Module. It is also known as the PXIe-4499 unit. This module is specially designed for advanced acoustic and dynamic structural testing. It supports a wide range of noise, vibration, and harshness (NVH) analysis applications, along with large microphone array configurations. The module features pseudodifferential input configuration, with a 50 Ω connection between the negative input and chassis ground.
Each of the 16 input channels on the 781370-01 is equipped with AC/DC coupling options, selectable per channel, which allows flexibility in data acquisition settings. The module uses a 24-bit delta-sigma analog-to-digital converter (ADC) to ensure high-resolution data capture along with sampling rates ranging from 100 S/s to 204.8 kS/s. This versatility in sampling rate is further enhanced by the module's built-in antialiasing filters that automatically adjust to the chosen sample rate.
The NI 781370-01 includes a FIFO buffer size of 4,095 samples along with data transfers managed through Direct Memory Access (DMA). The module is designed to operate with maximum working voltages of ±10 V for the positive terminal and ±1 V for the negative terminal along with overvoltage protection rated at ±30 V and ±5 V, respectively. This protection ensures the durability and longevity of the module in demanding operational conditions.
The dynamic range of 781370-01 varies with gain setting that offers up to 110 dBFS at 0 dB gain, with spurious-free dynamic range (SFDR) reaching up to 108 dBc. The module also supports Transducer Electronic Data Sheet (TEDS) technology that simplifies sensor setup and configuration according to the IEEE 1451 standard. Physically, the 781370-01 module fits into a 3U CompactPCI slot, with dimensions of 16 cm by 10 cm, and weighs approximately 326 grams.
It operates within an ambient temperature range of 0 °C to 55 °C and supports storage conditions from –20 °C to 70 °C. The module complies with various safety and electromagnetic compatibility standards that include IEC 61010-1, EN 61010-1, and FCC Part 15B. It’s compatibility with international standards ensure that it meets stringent requirements for laboratory and industrial use.
| Model | 781370-01 |
|---|---|
| Model Name | PXIe-4499 |
| Part Type | 16-input Sound and Vibration Module |
| Resolution | 24-Bit |
| Analog Input Coupling | AC/DC |
| Analog Input Voltage Range | ±1V and ±10V |
| Maximum Sample Rate | 204.8 kS/s |
| Dimensions | 16 cm x 10 cm (6.3 in. x 3.9 in.) |
| Weight | 326 g (11.5 oz.) |
| Number of Gains | 4 |
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