SG-812G detection and conversion technology training deviceIt is the basis of Shanghai Shuoguang Science and Education Equipment for many years of production of sensor technology teaching experimental devices, in order to adapt to different categories, different levels of professional requirements, the latest modular new products. SG-812G detection and conversion technology training deviceIt is mainly used for the experimental needs of courses such as "automatic detection technology", "sensor principle and technology", "non-electric electrical measurement technology", "industrial automation instrument and control", "mechanical measurement and electrical rule" offered by major and technical colleges. (Bring your own computer).SG-812G detection and conversion technology training deviceIt is suitable for the teaching and practical training of the compulsory course module "Automatic Control Technology" and the elective course "Industrial Automation" module of non-mechanical and electrical majors in higher vocational schools and secondary vocational schools, such as mechanical and electrical equipment installation and maintenance, electromechanical technology application, electrical operation and control, electrical technology application, electronic and electrical application and maintenance, machinery and mechatronics. It is also suitable for the practice of automatic control technology teaching content of mechanical and electrical majors in technical schools, and is also suitable for the training and practical operation of intermediate classes of installation and maintenance electricians, senior classes of installation and maintenance electricians, installation and maintenance electrician technician classes, and senior technician classes of installation and maintenance electricians in vocational training schools. 1. Overview:SG-812G detection and conversion technology training deviceIt is according to the "Education Industry Standards of the People's Republic of China" Electrical Laboratory or Electrical Professional Training Room Instrument and Equipment Standards, Ministry of Education"Revitalize the 21st century vocational education curriculum reform and textbook construction plan"Requirements, in accordance with the teaching and training requirements of vocational schools and combined with the actual production and vocational job skill requirements, research and development of products.
SG-812G detection and conversion technology training deviceIt is suitable for the teaching and practical training of the compulsory course module "Automatic Control Technology" and the elective course "Industrial Automation" module of non-mechanical and electrical majors in higher vocational schools and secondary vocational schools, such as mechanical and electrical equipment installation and maintenance, electromechanical technology application, electrical operation and control, electrical technology application, electronic and electrical application and maintenance, machinery and mechatronics. It is also suitable for the practice of automatic control technology teaching content of mechanical and electrical majors in technical schools, and is also suitable for the training and practical operation of intermediate classes of installation and maintenance electricians, senior classes of installation and maintenance electricians, installation and maintenance electrician technician classes, and senior technician classes of installation and maintenance electricians in vocational training schools. Second, the main structure:SG-812G detection and conversion technology training deviceIt is composed of a test table, a test bench, a sensor, an experimental module, a displacement bench, a data acquisition card and processing software. 1. Experimental table: the specification is 1500 700 780mm, and the two characteristic cabinets of the experimental table can be placed respectively on the experimental template, the computer host and the keyboard, and the sensor is placed in the middle drawer. The experimental desktop board is made of MDF and fireproof board after being formed after the adhesive surface. Bench size: 920 280 340mm. 2. Sensor: The sensor shell is made of imported transparent plexiglass and hard polychloride, and various precision sensors are installed inside, which are transparent and intuitive. Each individual sensor is printed with a schematic diagram and terminal port, which is convenient for experimentation and can be brought to the classroom by the teacher. 3. The sensor conversion circuit board adopts a modular structure, and the conversion schematic diagram and terminal interface are printed on the module, which helps students to increase their perceptual understanding and improve the experimental effect. 4. One module corresponds to a class of sensors, the experimental wiring is convenient, and the power supply has the function of automatic protection. 5. According to the user's requirements, the experimental items can be increased or decreased. Third, the main technical parameters:(1) Display instrument requirements: 1. The training station provides four sets of DC regulated power supply: 5V, 15V output, with short-circuit protection function. 2. Low-frequency signal generator: 1Hz-30Hz output is continuously adjustable, VP-P value is 10V, and the maximum output current is 05a。3. Difference amplifier: the pass band is 0-10kHz, which can be connected to a DC amplifier with inverting, inverting and differential structure, and a gain of 1-150 times. 4. Digital voltmeter: three-and-a-half digit display, range 2V, 20V, input impedance 100K, accuracy 1%. 5. Digital frequency tachometer: composed of four digital tubes and two light-emitting tubes, with an input impedance of 100K and an accuracy of 1%. The frequency measurement range is 1-9999 Hz, and the rotational speed measurement range is 1-9999 pem. 6. Thermometer: 0-150 degrees, accuracy 1%. 7. High-precision temperature control regulator, a variety of input and output specifications, with artificial intelligence adjustment and parameter self-tuning function. 8. Mechanical pressure gauge: 0-40kpa, accuracy 2%. (2) Three-source part: 1. Heating source: 16V AC power heating, temperature control range 0 150. 2. Rotation source: 0-12V DC power supply, speed adjustable range 0 2400 rpm. 3. Vibration source: vibration frequency 1-30Hz, resonance frequency about 12Hz. (3) Data acquisition card and processing software: The data acquisition work is 12-bit AD conversion, the resolution is 1 22048, the sampling period is 1m-100ms, and the sampling speed can be selected, which can be a single sampling or continuous sampling. USB, RS-232 interface, serial work with computer. The processing software provided has a good computer interface, which can be used for experimental project selection and editing, data acquisition, analysis and comparison of characteristic curves, file access, printing, etc. 
Fourth, technical parameters:
5. Sensor types and technical indicators:
6. List of sensor equipment:
7. Experimental items: (band for thinking experiments).
Experiment 1: Single-arm bridge performance experiment of resistive sensor.
Experiment 2: Half-bridge performance experiment of resistive sensor.
Experiment 3: Full-bridge performance experiment of resistive sensor.
Experiment 4 Comparative experiments of single-arm, half-bridge and full-bridge resistive sensors.
Experiment 5: Vibration Experiment of Resistive Sensor*
Experiment 6 Scale Experiment with Resistive Sensor*
Experiment 7 Characteristic experiment of variable area capacitive sensor.
Experiment 8 Differential capacitive sensor characteristics experiment.
Experiment 9 Vibration Experiment of Capacitive Sensor*
Experiment 10 Electronic scale experiment with capacitive sensor*
Experiment 11 Characteristic experiment of differential transformer.
Experiment 12 Characteristic experiment of self-inductive differential transformer.
Experiment 13 Performance experiment of differential transformer.
Experiment 14 Effect of excitation frequency on the characteristics of differential transformer.
Experiment 15 Vibration Experiment of Differential Transformer*
Experiment 16 Electronic Scale Experiment of Differential Transformer*
Experiment 17 Rotational speed measurement experiment of photoelectric sensor.
Experiment 18 Measurement of the direction of rotation of a photoelectric sensor.
Experiment 19 Proximity Hall sensor experiment.
Experiment 20 Rotational speed measurement experiment of Hall sensor.
Experiment 21 Vibration measurement experiment of Hall sensor.
Experiment 22 Displacement characteristics of eddy current sensors.
Experiment 23 Experiment on the influence of the material of the measured body on the characteristics of the eddy current sensor.
Experiment 24 Vibration experiment of eddy current sensor.
Experiment 25 Rotational speed measurement experiment of eddy current sensor.
Experiment 26 Temperature Sensor and Temperature Control Experiment (AD590).
Experiment 27 Temperature control experiment of type K thermocouple.
Experiment 28 Thermocouple Cold Junction Temperature Compensation Experiment*
Experiment 29 Temperature control experiment of type E thermocouple.
Experiment 30 Temperature control experiment of PT100 platinum resistance.
Experiment 31 Temperature control experiment of Cu50 copper resistance.
Experiment 32 Characteristic experiment of magnetoelectric sensor.
Experiment 33 Rotational speed measurement experiment of magnetoelectric sensor.
Experiment 34 Application of magnetoelectric sensors*
Experiment 35 Characteristics of piezoelectric accelerometer sensors.
Experiment 36 Displacement characteristics of optical fiber sensors.
Experiment 37 Vibration Experiment of Fiber Optic Sensor.
Experiment 38 Rotational speed measurement experiment of fiber optic sensor.
Experiment 39 Characteristic experiment of piezoresistive pressure sensor.
Experiment 40 Differential pressure measurement experiment of piezoresistive pressure sensor*
Experiment 41 Displacement characteristics of ultrasonic sensors.
Experiment 42 Application of Ultrasonic Sensors*
Experiment 43 Principle experiment of gas sensor.
Experiment 44 Experiment on the principle of humidity sensor.
Experiment 45 Determination of gas flow*
Experiment 46 Phase shifter experiment.
Experiment 47 Phase-sensitive detector experiment.
Experiment 48 Low-pass filter experiment.
Experiment 49 Pyroelectric infrared sensor experiment.
Experiment 50 Experiment on the photoelectric characteristics of silicon photocells.
Experiment 51 Experiment on the temperature characteristics of the integrated temperature sensor LM35.
Experiment 52 Temperature measurement experiment with integrated temperature sensor LM35.
Experiment 53 Temperature measurement control experiment of PN junction temperature sensor.
Experiment 54 Experiment on the temperature characteristics of a thermothermal thermistor.
Experiment 55 Negative temperature thermistor temperature characteristic experiment.
Experiment 56 Photodiode Characteristic Experiment.
Experiment 57 Characteristic experiment of phototransistor.
Experiment 58 Photoresistor Characteristic Experiment.
Experiment 59 Photoresistor application experiment.
The following are the enhanced experimental projects.
Experiment 60 Position measurement experiment with PSD position sensor.
Experiment 61 PSD position sensor micro-vibration measurement experiment.
Experiment 62 PSD position sensor for auto-positioning system*
Experiment 63 Performance test of torque sensor.
Experiment 64 Different forms of torque sensors.
Experiment 65 Experiment on the relationship between moiré fringes and distance of grating sensors.
Experiment 66 Subdivision and counting experiments of moiré fringes of grating sensors.
Experiment 67 CCD image sensor line (circle) diameter measurement experiment.
Experiment 68 Effect of optical system on CCD diameter measuring system.