The VK702H-Pro is a high-speed USB data acquisition card with built-in preamplifier, 8 differential input channels, 24-bit resolution, and a max sampling rate of 100 ksps per channel (800 ksps total for 8 channels). It includes multiple high-precision 24-bit ADC units and a differential preamplification module designed by Vkinging, offering high speed, resolution, precision, ultra-low noise, high CMRR, wide measurement range, and low temperature drift.
VK702H-Pro USB 24-Bit Data Acquisition Card
933,00 €
The VK702H-Pro is a high-speed USB data acquisition card with built-in preamplifier, 8 differential input channels, 24-bit resolution, and a max sampling rate of 100 ksps per channel (800 ksps total for 8 channels).
| Weight | 1 kg |
|---|---|
| Dimensions | 15 × 19 × 5 cm |
- Connection: USB
- High Precision And High Resolution: 24-Bit resolution
- Ultra-low Noise Preamplification: Minimum measurement 0.5uV
- High-speed Synchronized Acquisition: Maximum 100kS/s (100k points per second) for a single channel, 800MS/s for 8 channels.
- Countingfrequency Measurement: Counting or frequency measurement
- Integration Of 1 Dac Output:: 0 ~± 10V 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:: 430 mA (IEPE mode), 250 mA (ADC mode)
- 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 100ks (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: 0.1%
- 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
- Supply Port Current Usb Not Powered: 270mA@12V ADC mode 370mA@12V IEPE mode 128mA@24V ADC mode 177mA@24V IEPE mode
- Dac Analogue Output Resolution: 16bit
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