GL2000 Sensor training equipment

Ⅰ、Technical indicators of sensor training equipment

 1. Power supply: single-phase three-wire AC220V±10%, 50Hz;

 2. Environment: temperature -10℃～+40℃, relative humidity<85% (25℃), altitude <4000m;

 3. Device capacity:<0.5kVA;

 4. The test bench reserves positions for display, training template, various sensors and computer host;

 5. Size 1700mm*900mm*800mm;

 6. The main console provides eight types of highly stable DC regulated power supplies: ±15V, +5V, 0~+24V adjustable, ±2V~±10V adjustable, with short-circuit protection function;

 7. Provide audio oscillator 1KHz~10KHz (adjustable), low-frequency signal source 1Hz~30Hz (adjustable);

 8. Provide USB interface to ensure that the computer can communicate with the main console data letter;

 9. Provide leakage protection device;

 10. Digital voltmeter: range 0~20V, divided into 200mV, 2V, 20V three gears, accuracy 0.5 level;

 11. Frequency/tachometer: measurement range 1~9999Hz, speed measurement range 1~9999rpm; timer: 0~9999s, accurate to 0

 12. Temperature regulator: multiple input and output specifications, artificial intelligence adjustment and parameter self-tuning function, advanced control algorithm, temperature control accuracy ±0.50C;

 13. Main console data acquisition board system;

 14. Detection source

      Temperature source: 0~220V, room temperature~200℃,

       Rotation source: 2~24V, speed 0~3000rpm (adjustable),

       Vibration source: vibration frequency 1Hz~30Hz (adjustable), resonance frequency 12Hz,

       Air pressure source: 0—20KP.

Ⅱ、Sensor technical parameters and configuration

 1. Capacitive sensor: range ±2.5mm, accuracy: ±1%;

 2. Hall displacement sensor: range ±4mm, accuracy ±1%;

 3. Hall speed sensor: range 2400 rpm, accuracy ±0.1%;

 4. Resistive strain sensor: range 0~500g, accuracy ±0.5%;

 5. Diffused silicon pressure sensor: range 4~20kpa, accuracy ±1%;

 6. Differential transformer: range ±2%, accuracy ±4mm; 

7. Magnetoelectric sensor: composed of coil and magnetic steel, sensitivity 0.5v/m/s, range 2400 rpm, accuracy 0.5 %;

 8. Piezoelectric sensor: 0-30HZ, sensitivity 2%;

 9. Eddy current displacement sensor: range 1mm, accuracy ±2%;

 10. Fiber optic displacement sensor: range 3mm, accuracy ±3%;

 11. Photoelectric speed sensor: range 2400 rpm, accuracy 0.5%;

 12. Integrated temperature sensor: AD590: current output integrated temperature sensor, temperature range -50℃～150℃, sensitivity 1uA/℃;

 13. Pt100 platinum resistor: range 0～800℃, accuracy ±2%;

 14. Cu50 copper resistor: range normal temperature～150℃, resistance value 50Ω at 0℃ Accuracy ±2%;

 15. K-type thermocouple: range 0~600℃, accuracy ±2%;

 16. E-type thermocouple: range 0~600℃, accuracy ±1%;

 17. J-type thermocouple: range normal temperature~700℃, accuracy ±1%;

 18. PN junction temperature sensor: temperature range -50℃~150℃, sensitivity 2.2mV/0C, accuracy 1%;

 19. Negative temperature coefficient NTC sensor: semi- Conductor thermistor, temperature range -50℃～200℃;

 20. Positive temperature coefficient PTC sensor: semiconductor thermistor, temperature range -50℃～200℃;

 21. Temperature measurement cold end compensator and sensor: 0--1500C thermocouple type

 22. Gas sensor: range 50～2000PPm, accuracy ±2%;

 23. Humidity sensor: range 10～95%RH, accuracy ±2%.

Ⅲ、V2.0 data processing board

This sensor training equipment is equipped with a data acquisition board. The acquisition card is independently developed by our company and adopts industrial-grade solutions. It has achieved high measurement accuracy and dynamic range and can meet the needs of scientific research, teaching and development. The main technical indicators are as follows:

 1. It has 8 analog inputs: 6 single-ended voltage inputs or 3 differential inputs, 2 current inputs

 2. ADC resolution: 12 bits

 3. Sampling rate: 100K/S (under all channels), not less than 200K/S under single channel.

 4. Multiple sampling methods: timed sampling, fixed-length sampling, single-step sampling, real-time sampling

 5. Input low-pass filtering, overvoltage protection

 6. It has 16 digital (switch) input and output: 8 inputs, 8 outputs

 7. Support waveform output: sine wave, square wave Wave, triangle wave, sawtooth wave arbitrary waveform

 8. Waveform frequency is adjustable: range 0-10000HZ

 9. Support 485 communication protocol

 10. Support Modbus communication protocol

IV、Experimental projects

 1. Capacitive sensor displacement characteristic experiment

 2. Capacitive sensor dynamic characteristic experiment;

 3. Hall sensor displacement characteristic experiment under DC excitation;

 4. Hall sensor displacement characteristic experiment under AC excitation;

 5. Hall speed measurement experiment;

 6. Diffused silicon piezoresistive pressure sensor pressure measurement experiment;

 7. Application of AC full bridge - vibration measurement experiment;

 8. Application of DC full bridge - electronic scale experiment;

 9. Differential transformer performance experiment;

 10. Effect of excitation frequency on differential transformer characteristics

 11. Experiment on compensation of residual voltage at zero point of differential transformer;

 12. Application of differential transformer - vibration measurement experiment;

 13. Single-arm bridge performance experiment of metal foil strain gauge;

14. Half-bridge performance experiment of metal foil strain gauge;

 15. Full-bridge performance experiment of metal foil strain gauge;

 16. Performance comparison experiment of single-arm, half-bridge and full-bridge of metal foil strain gauge;

 17. Temperature influence experiment of metal foil strain gauge;                                  

 18. Vibration measurement experiment of piezoelectric sensor;

 19. Earthquake measurement using magnetoelectric principle;

 20. Speed measurement experiment of magnetoelectric speed sensor;

 21. Displacement characteristic experiment of eddy current sensor;

 22. Experiment on the influence of measured material on the characteristics of eddy current sensor;

 23. Experiment on the influence of the area of the measured body on the characteristics of the eddy current sensor;

 24. Experiment on vibration measurement by eddy current sensor;

 25. Experiment on speed measurement by eddy current sensor;

 26. Experiment on displacement characteristics of optical fiber sensor;

 27. Experiment on vibration measurement by optical fiber sensor;

 28. Experiment on speed measurement by photoelectric speed sensor;

 29. Other solutions for speed measurement using photoelectric sensor;

 30. Experiment on temperature characteristics of integrated temperature sensor;

 31. Experiment on temperature characteristics of platinum resistor;

 32. Experiment on temperature characteristics of copper resistor;

 33. Experiment on temperature measurement of K-type thermocouple;

 34. Experiment on temperature measurement of E-type thermocouple;

 35. Experiment on temperature compensation of thermocouple cold end;

 36. Experiment on sensor data acquisition.

Synchronous PC version:

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