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Location: ShenZhen
Ships to: US,
Item: 405307237354
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
VKinging:VKinging
Unit Type:Unit
Number of Channels:8 CH
VK702 USB:VK702 USB
MPN:VK0702615532
Country/Region of Manufacture:China
DAQ Module Type:Analog Input
Unit Quantity:1
VK702 USB 24-bit data acquisition cardVK702 USB adopts multiple high-precision 24-bit ADC units and pre-differential amplifier modules developed by our company for many years, which makes this product have the advantages of high speed, high resolution, high precision, ultra-low noise, high common mode rejection ratio, wide measurement range, low temperature drift, etc., and is suitable for various occasions of precision high-speed acquisition. Product Application*Weak signal measurement and acquisition *low noise data acquisition*high resolution signal measurement *high resistance differential signal measurement Property Listhigh precision high resolution24bit resolutionUltra-Low Noise Pre-Differential Amplifierminimum measurable50uVhigh-rate synchronous acquisitionsingle channel highest50ksps(50kpoints per second),8channel is400kspsLosing Range0 ~ ± 10Vcount/frequency measurementcounting or frequency measurementIntegration1RoadDACOutput0~3.3Vanalog quantityIntegration2RoadPWMOutput16position adjustablePWMmetal shielded enclosure Strong anti-interference ability Comprehensive electrical parametersProjectUnitTypical value/RemarksUSBsupply voltageV54.5~5.5USBsupply currentmA7565-85ADCAnalog Port Input VoltageV +/-10ADCAnalog Signal Input [email protected] @ -3db ADCanti-aliasing filter frequency response 0.2 * fs @ -3db0.5 * fs @ -10db(fs = set sample rate)anti-aliasing filter type Sinc3 Digital Port InputVLlow levelV0-0.3~1Digital Port InputVHhigh levelV3.32-5.5Digital Port Output VoltageV3.33.2~3.4digital port outputs drive current (when outputting high level)mA10 Digital Port Input Sink Current(5Vinput voltage)uA170 ADCMaximum sampling rateksps 50(8Channel Synchronization)minimum resolution voltageuV 10Aoutoutput voltageV 0-3.3PWMoutput frequency (P0.2/PWM1,P0.3/PWM2Port)Hz 0 to 100kPWMduty cycle (P0.2/PWM1,P0.3/PWM2Port)% 0-100counter input maximum frequency (P0.4/CNTPort)Hz 100Kcounter input maximum count value 2 ^ 64power working temperature:degrees Celsius -40-85Storage Temperaturedegrees Celsius -40-105Physical Dimensions(length, width and height)mm112*80*24without connector length Safe Use Absolute MaximumProjectUnitvalue*may damage the device and cause irreparable damage if the absolute maximum is exceededUSBsupply voltage:V-1 to 6ADCAnalog PortV-15V ~ 24VDigital PortV-1V ~ 5VDACoutput portV-1V ~ 6Vall ports electrostatic input (ESD)V2000 ADCAnalog Conversion UnitADCinput detailed electrical parametersProjectUnittypicalRemarksDifferential Input Common Mode Rejection Ratio(CMRR)dB130 Input Bias CurrentnA1 input bias voltageuv10 Input Equivalent Voltage NoisenVp-p200Input Range Selection-10Vis400Input Equivalent Current NoisepAp-p1maximum value is2equivalent input capacitancepF400 input resistanceKΩ10 ADCamplification acquisition unitppm/°C6 Input Rangevs bottom noiseSet Value(Program set)Corresponding measurement rangebackground noiseRemarks0-10V ~ 10V0.12mV (*Attached3)ADCBackground noise is white noise,this noise is superimposed on the measurement result. (*Attached2)(white noise cannot be hardware eliminated,can only be eliminated by software filtering)1-5V ~ 5V0.12mV (*Attached3)2-2.5V ~ 2.5V0.12mV (*Attached3)3-1V ~ 1V0.12mV (*Attached3)4-500mV ~ 500mV0.12mV (*Attached3) sampling ratevs effective resolutionsampling rateeffective resolution(*Attached1)Remarks1~4Ksps21bitsampling rateADCand surrounding internal devices, the lower the effective resolution(*Attached2)4K ~ 15Ksps20bit15k ~ 35Ksps19bit35k ~50Ksps17bit The measured acquisition Vp-p is3.5mVsine waveMeasured acquisition Vp-p is 2V sine wavedistribution is saved as an EXCLE filePC side acquisition software interface acquisition card using software saidVK702 USB data acquisition card can work in common operating systems such as WIN11/Win10/WIN7, LINUX, etc., and provides dynamic link libraries called by common programming languages such as Python,VB,VC, C#, C Builder, VB,Delphi,Labview/Labwindows,Matlab, etc. The programming function interface is simple and easy to use, easy to write application programs, and provides Python,VB,VC, C#, C Builder, VB, delphi, Labview/Labwindows,Matlab and other routines.
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