SL-086-type testing and conversion technology experimental box --- Sensor

Overview: SL-086 detector with (sensor) technology is the latest test case for the introduction of different sensors and teaching experiments and the development of adaptation categories, different levels of teaching laboratory equipment. To be completed "sensor principle and application", "automatic detection technology", "industrial automation, instrumentation and control," "non-power electrical measurement technology", "Sensors and Control Technology" and other teaching experiment courses. For all institutions of higher learning, secondary vocational and technical colleges and new or expanded laboratory, quickly set up experimental courses provide an ideal laboratory equipment. Technical specifications and requirements: 1, input power: AC220V ± 5% 50 ± 1Hz 2, Rated current: ≤5A 3, DC power supply: ± 5V ± 15V 4, regulators coefficient: ± 1% 5, the voltage ripple: ≤10mV 6, non-linear error: ≤5% 7, measurement accuracy: ≤1% 8, power consumption: 100VA 9, the output current: 1A 10, relative temperature: -5 ℃ ~ 40 ℃ 11, relative humidity: <85% (25 ℃) 12, test box Dimensions: 620 × 340 × 210mm experimental box technical requirements: 1, four DC power supply: ± 15V, ± 5V, with power protection. A group of heating source. 2, digital voltmeter: three and a half show, range ± 2V, ± 20V, input impedance 100KΩ, 1% accuracy. 3, digital frequency / tachometer: the four digital tube, two light-emitting tube and frequency / speed switch whose input impedance 100KΩ, 1% accuracy. Frequency range 1-9999 Hz, speed measurement range 1-9999 r / min. 4, the low-frequency signal generator: 1Hz-30Hz output continuously adjustable, Vp-p value of 10V, maximum output current 0.5A. 5, the audio signal generator: 0.4KHz-10KHz output continuously adjustable output voltage range: 0VP ~ 10VP continuously adjustable, maximum output current: 0.5A (RMS 0.4KHz) 6, differential amplifier: passband 0-10KHz can be connected into the same phase, reverse phase, the differential structure, gain 1 to 150 times the DC amplifier. 7, the mechanical pressure gauge: 0-40Kpa. 8, manual air pressure source: 0-40Kpa. Oscillator requirements: 1, low-frequency oscillator: 1Hz-30Hz output continuously adjustable, Vp-p value of 10V, maximum output current 0.5A. 2, the vibration source: vibration frequency 1Hz-30Hz, the resonance frequency of about 12Hz. 3, rotating source: 0-12V DC power-driven, speed adjustable from 0 to 2400 rev / min. Data acquisition card data acquisition and processing software for 12-bit AD converter, the resolution by the 1/22048, sampling period 1m-100ms, selectable sampling rate, sampling can also be a single continuous sampling. Standard RS-232 interface, working with computer serial. Processing software provides good computer interface, you can analyze experimental project selection and editing, data collection, characteristic curve, comparison, file access and printing. Sensor types and technical indicators: No. experiment module name scale accuracy resistive sensors Hall sensor module resistive sensor ± 2mm ± 1.5% 2 Hall sensor ≥ 2mm 0.1% 3 capacitive sensor module Capacitive sensors ± 5mm ± 2% 4 Inductive sensor module Inductive sensors ± 5mm ± 2% 5 photoelectric sensor module photoelectric sensors 0-2400 rev / min ≤ 1.5% 6 eddy current sensor module vortex sensor ≥ 2mm ± 3% 7 temperature sensor module temperature formula Sensor 0-80 ℃ ± 2% 8 piezoelectric acceleration sensor module magnetic sensors 0 .5V / m 9 fiber optic sensor module piezoelectric acceleration sensor is 1-30Hz ± 2% / s 10 fiber optic pressure sensor module Sensors ≥1.5mm ± 1.5% 11 low frequency oscillator module pressure sensor 0-50kpa ± 2% 12 differential amplifier module gas sensor 50-200ppm 13 humidity sensor 10-95% RH ± 5% 14 Hall-type speed sensor 0- 2400 rev / min ± 1.5% 15 eddy current speed sensor 0-2400 rev / min ≤ 1.5% 16 magnetic speed sensors measure 0-2400 rev / min ≤ 1.5% 17 speed sensor 0-2400 rev / min ≤ 1.5% Experiment Box Features : 1, the sensor housing made of imported transparent plexiglass and hard PVC produced, a variety of sophisticated sensors inside the apparatus. 2, each independently of each sensor, the sensor printed wiring schematics and mouth, when convenient for students to do experiments, and teachers can use to class lectures. 3, sensor converter board with modular structure, converting printed schematics and wiring port on the module. 4, the purchase can request changes in school pilot projects, pilot projects may also continue to expand based on the development of new products. Sensor test as follows: * to experiment with a thought experiment to experiment a resistive Wheatstone bridge sensor performance test experiment two half-bridge resistive sensor performance Experiment three resistive full bridge sensor performance Experiment four resistive sensors arm vibration test, half- and full-bridge Comparative Experiment five-resistive sensor * Experiment 6 resistive sensor electronic scale experiments * Experiment 7 variable area capacitance sensor characteristics Experiment eight differential capacitive sensor characteristics Experiment nine Performance Experiment characteristic vibration test Experiment * Experiment 10 capacitive sensor capacitive sensor electronic scale experiments * Eleventh differential transformer characteristics experiment Experiment type differential transformer inductance twelve thirteen fourteen excitation frequency differential transformer Influence of differential transformer characteristics experiment fifteen differential transformer vibration test * test sixteen differential transformer electronic scale experiments measuring the speed of rotation direction * Experiment Experiment seventeen eighteen photoelectric sensors photoelectric sensors measuring Experiment displacement characteristic vibration measurement Experiment Experiment twenty-two eddy current sensor speed measurement proximity Experiment nineteen twenty Experiment Hall sensor Hall sensor Hall sensor twenty-first XXIII measured eddy current sensor body material Experimental speed measurement vibration test test test test test test characteristics of the eddy current sensor twenty-four twenty-five twenty-six eddy current sensor temperature sensors and temperature control experiment (AD590) experiment xxvii magnetic sensor Experimental displacement Experiment XXVIII magnetic sensors measure the speed of application experiments Experiment Twentynine magnetic sensor * experiment thirty piezoelectric accelerometer sensor feature Experiment thirty-one fiber optic fiber sensor thirty-two Speed ??measuring differential pressure measurement experiment Experiment Experiment vibration sensor fiber optic sensor characteristics thirty-three Experiment thirty-four piezoresistive pressure sensor thirty-five piezoresistive pressure sensor * Experimental displacement characteristics thirty-six ultrasonic sensor Applied Experimental Experiment thirty-seven ultrasonic sensors * Experiment thirty-eight Gas Sensor principle Experiment thirty-nine humidity sensor principle Experiment forty intelligent PID. The temperature control experiment.