Brief introduction: MD3000 biological signal acquisition system is a kind of single-chip microcomputer control, designed for life science biological signal record and data processing system, replaced the traditional multichannel physiologic recorder, oscilloscope, x-y recorder and stimulator and other instruments, can be applied to the institutions of physiology, pharmacology, pathophysiology, sports physiology and psychology of subjects such as biology experiment, can be running under Windows/XP/Windows 7. Can be used as the animal's blood pressure, tension and electrocardiogram (ecg), etc. More than 300 kinds of indicators. Features: 1.Low noise, low drift amplifier, strong anti-interference ability, good linearity, high measurement accuracy 2.Full speed USB2.0 interface, plug and play. 3.Huakou high-speed, continuous data collection 4.4-channel 16-bit A/D synchronous sampling, accurate analysis results 5.Bus structure, universal slot, flexible combination for 4-8 channel amplifier, 1-2 channel stimulator 6.Driver supports Windows/XP/Vistas/Windows 7 7.Add real-time digital signal processing b to the driver 8.Virtual channel design, real-time display of channel raw data, differentiation, integration, frequency and average graphics 9.Multi-threaded mechanism running, can adjust various parameters and run other software even at high speed continuous sampling 10.Add new experimental configuration wizard to facilitate experimental configuration 11.The resources are open and users can easily customize their own experiments 12.Results can be customized and customized by users 13.Users can customize the experiment recording process, and the experiment recording is easy 14.Optimized the data processing module, with fast data processing speed and real-time processing no later 15.Intelligent data processing module design, convenient result processing 16.Optimized the printing module, and the network printing was smooth 17.Support network experiments, and NetMeeting users can control the experimental process in the network 18.No docking with Microsoft Word Excel Access, with medical statistics function 19.Special experiments include: postsynaptic potentials (EPSP) collection and analysis module, myocardial cable measuring traumatic rat tail, no determination of arterial blood pressure and myocardial effective refractory period, intracellular calcium dynamics analysis animals \ hard breathing lung function measurements tidal volume (volume), lower limb motor function, muscle strength reserve analysis, discharge stack, hemodynamic comprehensive test. Detailed technical parameters: 1.Drop recording function: the total drop number, drop speed, drop number and drop speed can be recorded in any channel; 2. Full speed USB2.0 interface, plug and play.High speed and continuous data collection; 3. 16-bit A/D synchronous sampling in four channels, accurate analysis results and signal output through four channels: signals collected by four channels can be output to other devices at the same time; 4. The extensible combination is 4-8 channel amplifier, 1-2 channel stimulator; 5. Listening function: four-channel arbitrary listening; 6.Virtual channel design, real-time synchronous display of channel original data, differentiation, integration, frequency and average graphics; 7. Technical indicators of stimulator: range: 0-100mv step length: 1mv, wave width: 0.1-6000ms, programmed adjustment step length: 0.1ms;Works: single stimulus, string, main cycle, automatic interval regulating stimulate, automatic amplitude adjustment stimulus, automatic wave width adjustment, automatic frequency adjustment stimulate seven, stimulate the preview: after the stimulation parameters selected available preview stimulus pulse amplitude, pulse width, number, etc.; 8. Software function: multi-window function: set the number of Windows arbitrarily, and each window can be independent of the system, independent of hardware.The previous experimental data can be called in real time for analysis and processing, sampling, compression and processing of data respectively. 9. Easily customize various experiments; 10. File recovery function curve of have done in the past, such as forget to save or computer appear special circumstances, the file can be recycled, customizable retention time on the experimental data, the recycled when need not save or file damage of experimental data, to ensure the experimental data in any case not lost; 11.Electrocardiogram function: the software can also switch to the full-lead electrocardiogram amplifier in real time to complete the collection and processing of electrocardiogram signals, and the software can switch the lead mode.Ecg measurement function: it can process the ecg heart rate, P amplitude, PR period, QRS duration, ST, T amplitude and QT period, and directly enter the Excel, SPSS, SAS and other processing software. 12.There is no docking with Microsoft Word Excel Access, and there is a special processing software module for medical statistics function: the processing method is comprehensive and accurate.For different biological signals, there are real-time, unique processing algorithms, the result error is small.There are many special analytical algorithms in neuroelectrophysiology, emg analysis and pharmacological toxicology experiment of new drugs. 13. Document printing function: it can edit the experimental curve arbitrarily, save seven printing editing modes and print the full document prewired.You can edit the size and size of graphics and text, the coordinate form of graphics, color and other graphic properties.And can add, delete, copy and copy graphics arbitrarily; 14. Data export function: can export experimental data, configuration of experimental parameters, etc., and can extract some required channels for export separately.Signals with too much data can also be extracted according to the compression ratio of time to compress data. 15. The biological signal acquisition and processing system can be installed and run in Windows7 system. 16. Highly integrated, USB2.0 interface is adopted to completely get rid of the built-in mode, which is convenient to move and facilitate scientific research. 17. Number of recording channels: 4 high-performance amplifiers record channels with the same performance 18. 16-bit A/D conversion chip is adopted. The highest sampling rate of single-channel hardware is 1000KHz, and the lowest sampling rate of hardware is 0.01Hz 19. Low noise: the peak value of the equivalent input noise voltage is less than 1.50 confidence V, and the signal to noise ratio >80dB 20. Both ac and dc have the same gain: the measuring range is + / - 0.5V - + / - 20 21. Five-order Bessel low-pass filtering is adopted: from 1Hz to 30KHz 22. Time constants include: DC, 3s -- 0.001s 23. The cascade connection of 2~4 devices can be automatically carried out to form the new equipment of 8-16 sampling channel, so as to improve the cost performance of products without additional costs 24.Physiological, pharmacological and pathophysiological experimental items shall be set up in advance, and the number of experimental items shall not be less than 60 25. During real-time sampling, sampling rate can be changed at any time as required 26.A single device can set 1-31 display channels according to user needs (5-31 channels can be used for analysis) 27.It can be used with a microcirculation instrument, observe the changes of microcirculation and blood pressure at the same time, and conduct the study of acute hemorrhagic shock experiment 28. With the function of three-dimensional spectrum analysis, the study of gastrointestinal electricity can be carried out 29.Special experiments include: postsynaptic potentials (EPSP) collection and analysis module, the determination of myocardial cable characteristics, no traumatic rat tail artery blood pressure measurement and the measurement of myocardial effective refractory period and intracellular calcium dynamics analysis animals \ hard breathing lung function measurements tidal volume (volume), lower limb motor function, muscle strength reserve analysis, comprehensive test discharge stack, hemodynamics, median lethal dose (LD50, dose logarithm linear regression with probability unit method), the median lethal dose (LD50, Bliss method) median lethal dose (ED50), pD2 and pA2 values
Brief introduction: MD3000 biological signal acquisition system is a kind of single-chip microcomputer control, designed for life science biological signal record and data processing system, replaced the traditional multichannel physiologic recorder, oscilloscope, x-y recorder and stimulator and other instruments, can be applied to the institutions of physiology, pharmacology, pathophysiology, sports physiology and psychology of subjects such as biology experiment, can be running under Windows/XP/Windows 7. Can be used as the animal's blood pressure, tension and electrocardiogram (ecg), etc. More than 300 kinds of indicators.