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VK701H+ four-channel isolated 24-bit data acquisition card

Introduction:24-bit AD resolution, 400 ksps sampling rate, 4-channel synchronous acquisition, uV level acquisition, isolated USB, high-speed data transmission, support for IEPE, support for C, LABVIEW, MATLAB, python, and other programming languages, provide routines,

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VK701H+ Four-channel 24-bit data acquisition card

    VK701H+ is a USB type high-speed 24-bit data acquisition card. The VK701H+ acquisition card has the characteristics of true differential input, 4 channels of simultaneous acquisition, sampling accuracy of up to 24 bits, 400ksps sampling rate, 500 times precision pre-gain, and USB optical isolation. VK701H+ adopts multiple high-precision 24-bit ADC units and a pre-differential amplifier module developed and developed by our company for many years, making this product has high speed, high resolution, high precision, ultra-low noise, high common mode rejection ratio, measurement The advantages of wide range, low temperature drift, etc., are suitable for various occasions of precise and high-rate acquisition.

Applications

*Weak signal measurement collection     *Low noise data collection

*High resolution signal measurement      *High impedance differential signal measurement

Port diagram

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The measured sinusoidal wave with Vp-p of 100uV was collected

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Measured and collected sinusoidal waves with Vp-p of 2V

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Data is saved to EXCEL

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PC collection software interface

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Collection card software description

    The VK701H+USB 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.

 *ADC up to 24 bit resolution, USB interface photoelectric isolation

* Input range: ±1mV, 20mV, 500mV, 1V, 2V, 5V, 10V adjustable

* High rate: 400ksps; 100ksps sampling rate per channel

* 4 IO ports, configurable input and output, external trigger acquisition

* Configurable 2 channels PWM

* Configurable 1 count input

* Configurable 1 DAC output

* High-precision reference standard: 2.5V ±0.05%

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

* Configurable external IO port to trigger collection

* Differential input, can measure differential signal

* High-speed isolated USB data transmission, convenient for hot swapping

* Input impedance: 1000MΩ

* Temperature drift: <6ppm/°C

* Metal shielded shell: strong anti-interference ability

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

* Integrated IEPE unit, 4 channels can be configured

 

AD analog input function

*AD type: Bipolar 24 bits (Bit) *Sampling rate: 4 channels total 400k sampling rate, each channel 100K samples per second

*Input impedance: 1000M ohm *Voltage input range: 4 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

Product Size

Capture card size 112mm (length) * 80mm (width) * 23mm (height)

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

Weight: 150 grams

Parts List

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

edit:Micro Fine Artsrelease time:2023-01-03 14:41:36