Modular Systems > National Instruments > DSA Devices

NI 780421-01 Sound and Vibration Device | Apex Waves | ImageNI 780421-01 Sound and Vibration Device | Apex Waves | Image780421-01 New780421-01 | Legacy, Refurbished and New Surplus
NI 780421-01 Sound and Vibration Device | Apex Waves | Image
NI 780421-01 Sound and Vibration Device | Apex Waves | Image
780421-01 New
780421-01 | Legacy, Refurbished and New Surplus
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780421-01, 24 Bits, 5 Input Channels, USB-4432 Sound and Vibration Device
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National Instruments 780421-01 Sound and Vibration Device

National Instruments part number 780421-01 is an identifying part number for the USB-4432, a Sound and Vibration Device. The NI 780421-01 is a 0.8 Hz AC/DC Coupled, 5- Input device with a Sampling Range of 1 kS/s to 102.4 kS/s. This part is tailored for sound and vibration measurements. 

Four of its input channels feature integrated electronic piezoelectric (IEPE) signal conditioning for accelerometers and microphones, along with built-in antialiasing filters that automatically adjust to the sampling rate. The fifth input channel lacks IEPE support. This device comes with an Analog Input (AI) Common-Mode Rejection Ratio (CMRR) of 45 dB for frequencies ranging from 20 Hz to 1 kHz. 

The AI Distortion Plus Noise (THD+N) characteristics of the device vary with the input signal frequency (fin). For input signals between 20 Hz and 20 kHz, the typical Total Harmonic Distortion (THD) is -97 dB, with a maximum of -91 dB, while the THD+N is typically -92 dB and can reach up to -86 dB. For input signals between 20 Hz and 46.4 kHz, the typical THD is -95 dB, with a maximum of -89 dB, and the THD+N is typically -91 dB, with a maximum of -85 dB. 

The AI spurious free dynamic range (SFDR) for a -1 dBFS, 1 kHz tone at the same sampling frequency is 104 dB. This device features four input channels: AI0, AI1, AI2, and AI3. Each channel can independently have a current setting of either 0 or 2.1 mA, selectable through software. The compliance voltage for the channels is a minimum of 20 V. The output impedance is 200 kΩ at 1 kHz. Additionally, this device offers an AI dynamic range of 101 dB typical and a minimum of 99 dB for a -60 dBFS, 1 kHz tone at a sampling frequency of 102.4 kS/s.

Part Number780421-01
Model NameUSB-4432
Part TypeSound and Vibration Device
Analog Input Channels5
ADC Resolution24 bits
ADC TypeDelta-Sigma
Sampling Range1 kS/s to 102.4 kS/s
Input Connector1 BNC per channel
PC CommunicationUSB 2.0
Input CouplingAC or DC, each channel independently software selectable

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Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.net Visa Master Card American Express BB&T Better Business Bureau Dun & Bradstreet
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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Common Typos: 780T21-01, 7804Q1-01, 7804E1-01, 780421-0Q, 780421-0W

780421-01



Modular Systems > National Instruments > DSA Devices

780421-01, 24 Bits, 5 Input Channels, USB-4432 Sound and Vibration Device
4.6/5 | 11 ratings

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1-800-915-6216

National Instruments 780421-01 Sound and Vibration Device

National Instruments part number 780421-01 is an identifying part number for the USB-4432, a Sound and Vibration Device. The NI 780421-01 is a 0.8 Hz AC/DC Coupled, 5- Input device with a Sampling Range of 1 kS/s to 102.4 kS/s. This part is tailored for sound and vibration measurements. 

Four of its input channels feature integrated electronic piezoelectric (IEPE) signal conditioning for accelerometers and microphones, along with built-in antialiasing filters that automatically adjust to the sampling rate. The fifth input channel lacks IEPE support. This device comes with an Analog Input (AI) Common-Mode Rejection Ratio (CMRR) of 45 dB for frequencies ranging from 20 Hz to 1 kHz. 

The AI Distortion Plus Noise (THD+N) characteristics of the device vary with the input signal frequency (fin). For input signals between 20 Hz and 20 kHz, the typical Total Harmonic Distortion (THD) is -97 dB, with a maximum of -91 dB, while the THD+N is typically -92 dB and can reach up to -86 dB. For input signals between 20 Hz and 46.4 kHz, the typical THD is -95 dB, with a maximum of -89 dB, and the THD+N is typically -91 dB, with a maximum of -85 dB. 

The AI spurious free dynamic range (SFDR) for a -1 dBFS, 1 kHz tone at the same sampling frequency is 104 dB. This device features four input channels: AI0, AI1, AI2, and AI3. Each channel can independently have a current setting of either 0 or 2.1 mA, selectable through software. The compliance voltage for the channels is a minimum of 20 V. The output impedance is 200 kΩ at 1 kHz. Additionally, this device offers an AI dynamic range of 101 dB typical and a minimum of 99 dB for a -60 dBFS, 1 kHz tone at a sampling frequency of 102.4 kS/s.

Part Number780421-01
Model NameUSB-4432
Part TypeSound and Vibration Device
Analog Input Channels5
ADC Resolution24 bits
ADC TypeDelta-Sigma
Sampling Range1 kS/s to 102.4 kS/s
Input Connector1 BNC per channel
PC CommunicationUSB 2.0
Input CouplingAC or DC, each channel independently software selectable

Why Buy From Apex Waves

Apex Waves Youtube Video

"The business transaction was super easy and friendly."


"Hand carrying parts to fedex directly to make sure I get them overnight. Great service"


"They were very helpful to get me the test equipment that I need."


Delivery: UPS, FedEX and DHL – Free FedEx Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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