Author: mwdAdmin

Training bench technical indicator

(1) Size: L*W*H=1500*730*1430(mm)

(2) Power supply: single phase AC220V±10% voltage, frequency 50.60Hz, power<50VA.

Experiment power supply:

(1) ±12V DC voltage source, capacity 1A

(2) ±5V DC voltage source, capacity 1A

(3) 1~24V adjustable DC voltage source, capacity 1A

(4) 4~30mA constant current

(5) DC24V voltage source, capacity 1A

(6) AC24V voltage source, capacity 1A

(7) Dual AC12V AC voltage source, capacity 1A

(8) DC ampere display meter : input range 0~250mA.

(9) Voltage display instrument : input range 0~50V.

Experiment bench accessories

(1) Data collector: PCI1203, 32 way AD, 2 way DA, 16 ways digital input, 16 ways digital output, assorting data collector software and application example.

(2) Tool box: include three bit half digital multimeter, small cross screwdriver, small slot screwdriver, side-cutting piller, nipper pilers

3) Experiment jumper line: 200mm, 400mm, 600mm each length 10 pcs

(4) Experiment manual 1 book

Sensor technical parameter

Resistance strain sensor: constitutes with BHF KFR, six working piece, two balance plates.

Thermal type (thermocouple) sensor: series connect by two copper constantan thermocouples and simulate cold end temperature as environmental temperature.

Inductance type (differential transformer) sensor: a transparent hollow coil constitutes by a primary, two secondary coils winded, iron core is soft magnetic ferrite, measuring range 0~12mm.

Eddy current sensor: stranded enameled wire pancake coil and various measured metallic swirl vane, linear range ≤3mm.

Hall sensor: HZ type Japanese JVC liner type semiconductor Hall piece, put in circuit type magnetic steel gradient field, hall signal linear range >3mm.

Electromagnetic type sensor: constitutes with coil and movable iron (permanent magnetic steel), sensitivity 0.4V/m/s.

Piezoelectric speed up sensor: PZT-5 bimorph and copper quantity piece. f≥10kHz,Q charge >20pc/g.

Capacitance type sensor: constitutes with two group stator and one group rotor plate formed differential change area of capacitor, linear range ≥±3mm.

PN junction temperature sensor: using semiconductor PN junction good linear temperature voltage characteristic made measuring temperature sensor. Sensitivity: -2mV/ degree centigrade

Thermistor: semiconductor thermistor NTC: temperature coefficient is negative, 10kΩ when 25  degree centigrade

Piezoresistive pressure sensor: range 35KPa, power supply: ≤4V,MPS type piezoresistive pressure sensor.

Fiber sensor: fiber, emission, receive circuit formed light type sensor, linear range 10mm. infrared ray emission, receive, 2*60 stock Y type, half circuit distribution.

Air sensitive sensor: Tp-3 sensitive to alcohol, measuring range: 50~2000ppm.

Humidity senor: macromolecule thin film type resistor type: RH: several MΩ to several KΩ, response time: moisture absorption, dehumidification less than 10sec.

Humidity coefficient: 0.5RH%/ degree centigrade , measuring range: 10&RH-95%RH, working temperature: 0-50/ degree centigrade

Pyroelectric infared sensor: far-ultrared electric-heat tube

Photoelectric sensor: constitutes with optical coupling Darlington output and waveshaping circuit. N=2400r/min

Silicon cell: Si daylight colour

Photoresistance: cds material, several Ω to several KΩ

Photosensitive diode

Phototriode;