VK702WH-PRO Wi-Fi/Ethernet 24-Bit Data Acquisition Card

VK702WH-PRO is a high-speed data acquisition card with 8-channel true differential inputs, 24-bit resolution, maximum single-channel sampling rate of 102.4ksps and 819.2ksps for eight channels, precision preamplification, and integrated IEPE/ICP hardware support. This product uses a number of high-precision 24-bit ADC unit and with the company’s many years of accumulated development of the pre-differential amplification module, making the product has a high speed, high resolution, high precision, ultra-low noise,high rejection ratio, wide measurement range, low temperature drift advantages, suitable for precision and high speed acquisition of a variety of occasions to use. LAN communication adopts and original TCP/IP exchange communication protocol andbuilt-inanti-packet loss algorithm, which can ensure the stable transmission and collection of data without loss for along time.

Weight	1 kg
Dimensions	15 × 19 × 5 cm

Connection: ETHERNET
Second Connection: WIFI
High Precision And High Resolution: 24-Bit resolution
Ultra-low Noise Preamplification: Measures signals down to uV level
High-speed Synchronized Acquisition: Up to 102.4ksps (102.4k dots per second) for a single channel, 800ksps for 8 channels
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:: 450 mA @ADC mode, Wifi version 650 mA @ADC
Adc Analogue Port Input Voltages: V +/-10
Adc Analogue Signal Input Bandwidth: Khz 0~20Khz 20Khz@-3db
Adc Anti-alias Filter Frequency Response: 0.2 * fs @ -3db 0.5 * fs @ -10db fs = Set sample rate
Iepe Mode Ac Coupled Low Pass Frequency: Hz 0.4Hz@-3db
Anti-alias Filter Type: Sinc3
Iepe Drive Voltage: V 24 range 22~26
Iepe Drive Current: mA 4 3.6~4.4
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: ksps 102.8ks (8-channel synchronisation)
Minimum Resolution Voltage: uV 0.1
Out Output Voltage: V 0 ~+/-10V
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: -40~85
Storage Temperature Degrees Centigrade: -40~105
Safe Use Of Absolute Maximum: USB supply voltage： V -1~+6 ADC Analogue Port: V -15V~+24V Digital Ports: V -1V~+5V DAC output port: V -15V~+15V Electrostatic input (ESD) on all ports: V 2000 Exceeding the absolute maximum value may damage the device and cause irreversible damage.
Differential Input Common Mode Rejection Ratio Cmrr:: dB 130
Input Bias Current: nA 1
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
Adc Reference Accuracy: 0.05%
Overall Maximum Temperature Drift Of Adc Amplification Acquisition Unit: ppm/℃ 6
Input Ranges Vs Bottom Noise: Program set 0: -10V~+10V 0.3uV Program set 1: -5V~+5V 0.1uV Program set 2: -2.5V~+60uV background noise 20uV Program set 3: -1V~+25uV background noise 6uV Program set 4: -500mV~+500mV background noise 15uV Program set 5: -100mV~+100mV background noise 6.5uV Program set 6: -20mV~+20mV background noise 6uV Test conditions: Sampling rate1kS/s Input shorted to AGND
Sample Rate Vs Effective Resolution: 1 ~ 4Ksps: 21bit 4K~15Ksps: 20bit 15k~35Ksps: 19bit 35k~64Ksps: 17bit 64k~100Ksps: 16bit
Multiple Measurement Modes: ADC / IEPE
Input Range: 0 ~ ± 10V
Supply Port Voltage: V 8V-24V 6V~28V