Condition:New
Type:Logic ICs
Model Number:VK702NH-SD
VK702NH-SD Ethernet capture card
?VK702NH-SD is an Ethernet type (LAN) 24-bit data acquisition card. VK702NH-SD Ethernet acquisition card has the characteristics of true differential input, 24-bit ADC, 8-channel simultaneous acquisition, maximum 800ksps sampling rate, adjustable pre-gain unit, and offline data storage. The VK702NH-SD Ethernet data acquisition card uses multiple high-precision 24-bit ADC units and input filter units, which make this product have high speed, high resolution, high precision, low noise, high common mode rejection ratio, wide measurement range, The advantages of low temperature drift, etc., are suitable for various occasions of precise and high-rate acquisition.
Applications
*Weak signal measurement collection? ? ? ? ? ? ? ?*Low noise data collection
*Ethernet networking measurement system? ? ??*High-impedance differential signal measurement
Port diagram
Acquisition of 100uV sine wave waveform
The sinusoidal waves with VP-P of 2V are collected
Data is saved to EXCEL
Collection card software description
VK702NH-SD?Ethernet data acquisition card can work in Win2000/XP/WIN7, LINUX and other common operating systems, using standard TCP/IP data transmission protocol, fully compatible with VB,VC, C#, C++Builder, Delphi, QT,
Labview/Labwindows, such as commonly used Matlab programming language, easy to write applications.
Product Features
* ADC up to 24-bit resolution, LAN (Ethernet) port transmission
* Input range: 0 ~±1mV, 20mV, 200mV, 500mV, 1V, 2V, 5V, 10V
* High rate: 800ksps; maximum sampling rate of 100ksps per channel
* 4 IO ports, configurable input and output
* Configurable 2 PWM channels
* Configurable 1 count input
* Configurable 1 DAC output
* High-precision reference standard: 2.5V ±0.05%
* Configurable external trigger quantitative acquisition
* Configurable external clock synchronization acquisition * You can configure external trigger quantitative/external clock synchronization collection *?CRC verification for TCP/IP data transmission ensures data loss *?Built-in 256MB memory to solve the problem of temporary network disconnection | * Support SD offline data storage * Support IEPE/ICP transmission mode software switchable * Using high-stability LAN unit transmission is stable and reliable * Input impedance: 1GΩ * ADC nonlinear THD: >100dB * ADC input common-mode signal rejection ratio: >140dB * Temperature drift: <2 μV/°C * Metal shielded shell: strong anti-interference ability * The whole machine adopts low-noise industrial-grade components, low-temperature drift, and strong anti-interference ability |
AD analog input function
*AD type: Bipolar 24 bits (Bit) *Sampling rate: 8 channels with a total sampling rate of 800k, each channel has a maximum of 100K samples per second
*Input impedance: 1G ohm *Voltage input range: 8 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 1~1Mhz range, 0.0~1.0 duty cycle adjustable
Counting function
*Pulse counting measurement: 1 way, the high level is 3.3V or 5V, the maximum count is 4294967295
Storage function
* External SD card can be inserted for offline data storage
Product Size
Capture card size 120mm (length) * 108mm (width) * 26mm (height)
Packing size: 150 (length) * 150 (width) * 50mm (height)
Weight: 160 grams
Parts List
1. Capture card*1
2. USB high-speed data cable (with magnetic ring) 1.5 meters oxygen-free copper network cable *1
3. Data packages such as drivers and routines (download from the network disk or send via email)
