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VK702NH-SD Ethernet capture card

Introduction:24-bit AD resolution, 800ksps sampling rate, true differential input, 8-channel synchronous acquisition, uV level acquisition, support for IEPE, and support for programming languages such as C, LABVIEW, MATLAB, and Python.

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VK702NH-SD Ethernet capture card

    VK702NH-SD is an Ethernet type (LAN) 24 bit data acquisition card. The VK702NH-SD Ethernet acquisition card features true differential input, 24 bit ADC, 8-channel synchronous acquisition, a maximum sampling rate of 800 ksps, adjustable pre gain units, and offline data storage. The VK702NH-SD Ethernet data acquisition card uses multiple high-precision 24-bit ADC units and input filter units, making this product have the advantages of high speed, high resolution, high accuracy, low noise, high common mode rejection ratio, wide measurement range, and low temperature drift. It is suitable for various occasions of precision high-speed acquisition.
 

Applications

*Weak signal measurement collection               *Low noise data collection
*Ethernet networking measurement system      *High-impedance differential signal measurement

 

Port diagram
 

VK702NH-SD Ethernet capture card 第1张

VK702NH-SD Ethernet capture card 第2张

VK702NH-SD Ethernet capture card 第3张


The sinusoidal waves with VP-P of 2V are collected
 

VK702NH-SD Ethernet capture card 第4张

Data is saved to EXCEL
 

VK702NH-SD Ethernet capture card 第5张VK702NH-SD Ethernet capture card 第6张

 

Collection card software description
 

    The VK702NH-SD Ethernet data acquisition card can work in common operating systems such as WIN11/Win10/WIN7, LINUX, and provides a dynamic link library called by common programming languages such as Python, VB, VC, C #, C++Builder, VB, Delphi, Labview/Labwindows, and Matlab. The programming function interface is simple and easy to use, and it is easy to write applications. It provides routines such as Python, VB, VC, C#, C++Builder, VB, Delphi, Labview/Labwindows, and Matlab.

Product Features

* ADC up to 24-bit resolution, LAN (Ethernet) port transmission
* Input range: 0 ~±1mV, 20mV, 200mV, 500mV, 1V, 2V, 5V, 10V
* High rate: 800ksps; maximum sampling rate of 100ksps per channel
* 4 IO ports, configurable input and output
* Configurable 2 PWM channels
* Configurable 1 count input
* Configurable 1 DAC output
* High-precision reference standard: 2.5V ±0.05%
* Configurable external trigger quantitative acquisition
* Configurable external clock synchronization acquisition

* You can configure external trigger quantitative/external clock synchronization collection

* CRC verification for TCP/IP data transmission ensures data loss

* Built-in 256MB memory to solve the problem of temporary network disconnection

* Support SD offline data storage

* Support IEPE/ICP transmission mode software switchable

* Using high-stability LAN unit transmission is stable and reliable

* Input impedance: 1GΩ

* ADC nonlinear THD: >100dB

* ADC input common-mode signal rejection ratio: >130dB

* Temperature drift: <6 ppm/°C

* Metal shielded shell: strong anti-interference ability

* The whole machine adopts low-noise industrial-grade components, low-temperature drift, and strong anti-interference ability

 

AD analog input function
*AD type: Bipolar 24 bits (Bit) *Sampling rate: 8 channels with a total sampling rate of 800k, each channel has a maximum of 100K samples per second
*Input impedance: 1G ohm *Voltage input range: 8 channels ±1mV ~ ±10V eight range options
DA analog output function
*Number of channels: 1 channel 10 bits (Bit), output voltage range (OutputRange): 0-3.3V
DI digital input and output function
*Number of channels: 4, compatible level voltage: +5V or +3.3V
PWM function
*Number of channels: 2 independent PWM adjustable 1~100Khz range, 0.0~1.0 duty cycle adjustable
Counting function
*Pulse counting measurement: 1 way, the high level is 3.3V or 5V, the maximum count is 2^64
Storage function
* External SD card can be inserted for offline data storage

Product Size

Capture card size 120mm (length) * 108mm (width) * 26mm (height)

Packing size: 150 (length) * 150 (width) * 50mm (height)

Weight: 160 grams

Parts List

1. Capture card*1
2. USB high-speed data cable (with magnetic ring) 1.5 meters oxygen-free copper network cable *1
3. Data packages such as drivers and routines (download from the network disk or send via email)

edit:Micro Fine Artsrelease time:2023-03-21 10:52:21