VK701W-SD four-channel wireless WIFI 24-bit capture card

VK701WSD is a WIFI wireless data acquisition card with 4-channels of true differential input, 24-bit resolution, a maximum sampling rate of 400ksps, support for offline SD storage, and precise pre-gain amplification. This product uses multiple high-precision 24-bit ADC units and the pre-differential amplifier module developed by our company for many years, making this product have high speed, high resolution, high precision, ultra-low noise, high rejection ratio, and measurement range. The advantages of wide and low temperature drift are suitable for various occasions of precise and high-rate acquisition.

Collection card software description
The VK701W-SD wireless 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.

Dimensions	8 × 11,2 × 2,4 cm

Connection: WIFI
High Precision And High Resolution: 24-Bit resolution
Ultra-low Noise Preamplification: Minimum measurement 0.1uV
High-speed Synchronized Acquisition: Single channel maximum 100kSPS(100k points per second), 400ksp at 4 channels
Scope Of Transferees: 0 ~ ± 10V
Countingfrequency Measurement: Counting or frequency measurement
Integration Of 1 Dac Output:: 0~3.3V Analogue
Integration Of 2 Pwm Outputs: 16- Bit Adjustable PWM
Colour: Blue
Usb Supply Voltage: V 5 4.5~5.5
Usb Power Supply Current:: mA 450 400~500
Adc Analogue Port Input Voltages: V +/-10
Digital Port Input Vl Low: V 0 -0.3~1
Digital Port Input Vh High: V 3.3 2~5.5
Digital Port Output Voltage: V 3.3 3.2~3.4
Digital Port Output Drive Current When Output Is High: mA 10
Digital Port Input Absorption Current : uA 170
Adc Maximum Sampling Rate: kps 100
Minimum Resolution Voltage: uV 0.1
Out Output Voltage: V 0~3.3
Pwm Output Frequency: Hz 0~100k
Pwm Duty Cycle: % 0~100
Counter Input Maximum Frequency: Hz 100K
Counter Input Maximum Count Value: 2^64
Working Temperature Degrees Centigrade: -20~85
Storage Temperature Degrees Centigrade: -40~105
Safe Use Of Absolute Maximum: USB supply voltage: V -1~+6ADC analog port: V +-200 (There are protective circuits inside.)Digital ports: V +-200 (There are protective circuits inside.)DAC output port: V -1~+6All Port Electrostatic Input (ESD): V 2000Exceeding the absolute maximum may damage the device and cause irreparable damage.
Differential Input Common Mode Rejection Ratio Cmrr:: dB 130
Input Bias Current: nA 1
Input Bias Voltages: uv10
Input Equivalent Voltage Noise: nVp-p 200 Maximum value is 400 when+-10 V is selected for the input range.
Input Equivalent Current Noise Iecn: pAp-p 1 Maximum value is 2
Equivalent Input Capacitance: pF 400
Input Resistance: GΩ 1
Overall Maximum Temperature Drift Of Adc Amplification Acquisition Unit: ppm/℃ 6
Input Ranges Vs Bottom Noise: Program set 0 -10V~+10V 0.3mVProgram set 1 -5V~+5V 0.1mVProgram set 2 -2.5V~+2.5V 60uVProgram set 3 -1V~+1V 25uVProgram set 4 -500mV~+500mV 15uVProgram set 5 -100mV~+100mV 6.5uVProgram set 6 -20mV~+20mV 6uVProgram set 7 -1mV~+1mV 5uVADC background noise is white noise, which is super imposed on the measurement result. (White noise can not be eliminated by hardware, only by software filtering.
Sample Rate Vs Effective Resolution: 1K ~ 4Ksps 21bit4K~15Ksps 20bit15k~35Ksps 19bit35k~64Ksps 17bit64k~100Ksps 16bitThe higher the sampling rate, the higher the noise of the ADC and the surrounding internal devices, and the lower the effective resolution.

VK701W-SD four-channel wireless WIFI 24-bit capture card

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