Product introduction: BL - 420 I signal acquisition and processing system adopts the integrated design principles, and integrated the mobile experiment platform, biological acquisition system, respiratory system, temperature measuring system, lighting system and synchronization demonstration system.The experimental data and report processing are paperless and help teachers to carry out experimental information management. Help researchers to obtain more objective and comprehensive experimental data, which can be used in various physiological, pharmacological, pathological and other experiments. Product performance indicators: 1. Technical indicators of the system platform 1) overall machine profile size: 1520mm * 740mm * 2110 mm (length * width * height); 2) operating area of the experimental bench: 1220mm * 740mm (length * width); 3) height of the test table from the ground: 840 mm; 4) height of infusion stand from the platform: 1100 mm; 5) moving range of infusion frame: 840 mm on both sides; 6) manufacturing technology of the experimental bench: mould manufacturing technology; 7) surface treatment technology of the test bench: metal paint, and a layer of varnish, no odor, wear-resistant, easy to clean; 8) test bench corner: R60 circle, safe for human body; 9) material: ABS engineering plastic; 10) shielding layer under the test table: stainless steel layer (length * width * height) of 1200 mm * 720 mm * 0.3mm (length * width * height), connected with the external grounding terminal; 11) mobile rollers: with 4 self-locking universal moving rollers, the entire operating platform can be moved; 12) retractable fixed pillar: with 4 retractable platform fixed pillar, ensure the stable fixation of the experimental platform; 13) with environment temperature measurement precision, plus or minus 0.2 ℃; 14) with small animals anal temperature measuring accuracy: plus or minus 0.1 ℃; 15) tidal volume of the built-in ventilator: adjustable from 0.1 to 99.9ml; 16) built-in camera system: equipped with camera universal support, 1080 hd camera, etc.; 17) experimental lighting system: 4 * 12W, yellow LED, etc., with adjustable direction; 18) power supply: AC220V 50Hz; 19) external interface: 2 USB interfaces, 1 cable interface and 8 220V power sockets; 20) patented utility model: integrated integrated integrated integrated biological function experimental operating device 21) patented appearance design: experimental platform for mobile function 2. System hardware indicators 1) number of physical sampling channels: 4; 2) independent 12-lead all-lead electrical interface: 12-lead electrical signals can be displayed simultaneously on the software; 3) the physical sampling channel works independently with the 12-lead full-lead connected ecg channel, which can be sampled simultaneously and displayed on the software at the same time; 4) sampling channel extension: according to the different types of channel connecting expander, a physical channel can be extended to multiple physical sampling channels, such as: connection human physiological signal acquisition expander, a physical channel can be extended to at the same time sampling the body postures, ecg, respiration, vital capacity, systolic pressure, diastolic blood pressure, pulse, blood oxygen and so on 8 signal; 5) sensor automatic recognition: the system automatically recognizes the connected sensor type, automatically sets sampling parameters according to the sensor type, and at the same time has a specific prompt interface on the software interface; 6) the gain: + / - 1V ~ + / - 50c; 7) filtering: dual filtering of analog and hardware digital filters; 8) maximum sampling rate: 800KHz; 9) AD converter: 16-bit 4-channel synchronous sampling; 10) SNR: > 80dB; 11) equivalent input noise: voltage peak value < 2.0joyv; 12) system cascade: 2 ~ 4 equipment cascade; 13) power supply: DC 12V 14) the hardware has an environment display window: display temperature, humidity, atmospheric pressure and device connection; 15) monitoring function of the experimental environment: it can monitor the temperature, humidity, atmospheric pressure and other experimental environments in real time; 16) record of equipment use: automatically record the use of the equipment, including the date of first use, the date of last use, the accumulated use time and times, etc., and record the use of the equipment into the hardware; 17) extended functions: listening and dropping function; 18) built-in device stimulator: A) waveform: triangular wave, square wave, positive and negative square wave, sine wave or user edit waveform; B) mode: constant current and constant pressure output modes; C) voltage: 0 ~ 110V; D) current: 0 ~ 150mA. 3. System software indicators 1) number of channels for software display: 1 ~ 64 channels are variable; 2) number of simultaneous inversion files: 4 (multiple files can be opened at the same time for inversion); 3) sampling and inversion are carried out simultaneously: during real-time signal acquisition, the previously recorded files can be opened simultaneously for viewing, comparison, analysis and other operations; 4) when inversion documents are performed, signal sound can be played while the inversion waveform is played, for example, decompression nerve discharge sound can be played; 5) channel differential sampling rate: different channels can set different sampling rates for data sampling, and signals with different sampling rates can be recorded synchronously and displayed synchronously. 6) file list window: users directly click the list file to open the inversion file; 7) software appearance: it can be changed by the user, open or hide information display, stimulation, quick start, file list and other Windows, all of which can be moved within the scope of the screen; 8) online experimental report editing: online experimental report editing function; 9) experiment report, data upload and download: users of upload address can configure; 10) software experiment module embedded electronic textbooks: contains the experiment aim and object principle, experiment, experiment equipment and medicine, experimental steps and watch, matters needing attention, to consider, the conventional experimental operation video, etc.; 11) the software is directly connected to the virtual simulation experiment center (the user needs to configure the virtual experiment simulation center). 12) software automatic upgrade function: the software automatically searches the latest version of software on the server and reminds users to upgrade. Users can automatically upgrade after confirmation, so that users can quickly upgrade the software. 13) automatic collection of user opinions: the software contains the user opinion collection window, and any comments entered by users can be directly transmitted to the software developer for system improvement; 14) video monitoring function: video monitoring function is included; 15) general data processing: differential, integral, frequency histogram, spectral analysis, mean arterial and heart rate curves, etc.; 16) special data processing: the hemodynamic analysis of the experimental parameters and the parameters of the myocardial cell action potential measurement, analysis of cardiac function parameters, human lung ventilation function measurement, postsynaptic potential analysis of heart rate variation analysis, vector analysis, etc.; 17) measurements: single point measurement Mark, of two, interval measurement and real-time measurement, to measure the waveform of maximum, minimum, average, parameters such as time, frequency, area; 18) pharmacological parameter calculation tool: the antagonistic parameters of benhydramine (PA2, PD2) were measured, LD50, ED50 values were calculated by Bliss method, t test and half-life values were calculated.
Product introduction: BL - 420 I signal acquisition and processing system adopts the integrated design principles, and integrated the mobile experiment platform, biological acquisition system, respiratory system, temperature measuring system, lighting system and synchronization demonstration system.The experimental data and report processing are paperless and help teachers to carry out experimental information management. Help researchers to obtain more objective and comprehensive experimental data, which can be used in various physiological, pharmacological, pathological and other experiments.
