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.