Sensor Trainer ST-70024

Description

a) Features

1. This educational training system is a versatile, robust and easy to use training system used for teaching and learning sensor and transducer fundamentals and operation.
2. This system covers various sensors and transducers such as Temperature Sensor, Pressure Sensor, Proximity Sensor, Photo Sensor, Load Cell, Float Sensor, Diffuse Photoelectric Sensor, Retro-Reflective Photoelectric Sensor, Through-Beam Photoelectric Sensor and etc.
3. It is design on the panel system concept, easy to use for experiments.
4. The front panel of the module consists of relevant circuit block/diagram with clear labelling. All connection points are accessible via 4mm sockets.
5. Connecting leads are supplied to assist necessary connection between modules.
6. Each of the modules are housed in a strong and robust case. Each front panel of the module case consists of clearly visible block / component diagram plus clear labelling describing each of the circuit/components.
7. Includes a robust benchtop mounting frame panel for setting up training modules used in experiments.

 

b) Technical Specification

These modules enable students to investigate a wide range of sensor and transducer syllabus

practical topics. Students investigate each topic with hands on experimentation, circuit construction and evaluation tasks which are provided in the experimental manual/workbook. Each

module is equipped with clearly labeled block diagram and built-in connection interface and test points.

 

1) PHOTO SENSOR MODULE

• Input supply: 12 – 24VDC
• Output type: NPN open collector
• Sensing range: 100mm
• Sensing target: Opaque, translucent material
• Response time: 1ms(max.)

 

2) DIFFUSED REFLECTIVE MODE PHOTOELECTRIC SENSOR MODULE

• Input supply: 12 – 24VDC
• Output type: NPN open collector
• Sensing range: 100mm
• Operation mode: Light On/ Dark on (selectable)
• Sensing target: Opaque, translucent material
• Response time: 1ms(max.)
• Diffuse reflective type

 

3) RETRO-REFLECTIVE MODE PHOTOELECTRIC SENSOR MODULE

• Input supply: 12 – 24VDC
• Output type: NPN open collector
• Sensing range: 3m(max.)
• Operation mode: Light On/ Dark on (selectable)
• Sensing target: Opaque material of min. Ø75mm
• Response time: 1ms(max.)
• Retro reflective type

 

4) THROUGH-BEAM MODE PHOTO TRANSMITTER DETECTOR MODULE

• Input supply: 12 – 24VDC
• Output type: NPN open collector
• Sensing range: 10m(max.)
• Operation mode: Light On/ Dark on (selectable)
• Sensing target: Opaque material of min. Ø12mm
• Response time: 1ms(max.)
• Through beam mode type

 

5) ULTRASONIC AND HUMIDITY SENSOR MODULE

• Ultrasonic Sensor:

– Operation voltage: 5VDC

– Working current: 15mA(typical)

– Frequency: 40kHz(typical)

• Humidity Sensor:

– Operation voltage: 5VDC

– Adjustable sensitivity

– LM393 comparator

– Analog or digital output mode

 

6) CAPACITIVE PROXIMITY SWITCH (SENSOR) MODULE

• Using the capacitance strength (electrostatic fields) to detect the presence or absence of object. It is used to detect both metallic and non-metallic object.
• Input supply: 12 – 24VDC
• Sensing range: 15mm
• Output: NPN
• Frequency: 50Hz

 

7) INDUCTIVE PROXIMITY SWITCH(SENSOR) MODULE

• Using the electromagnetic field which produces by the surface of sensor to detect the object is presence or absence. It is use to detect the metal object
• Input supply: 12 – 24VDC
• Sensing range: 15mm
• Output: NPN
• Frequency: 200Hz

 

8) PRESSURE SWITCH MODULE

• Max Voltage: 250V
• Electrical Rating: 125VAC/20A, 250VAC/10A, 24VDC/64A
• Contact arrangement: SPDT
• Range: -0.2 ~ 7.5 bar
• Differential: 0.7 ~ 4 bar

 

9) LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT) MODULE

• A type of transducer that
• convert the position of solenoid into a proportional electrical signal
• Resistance: 1K +/- 10%
• Maximum Working speed:
• 5m/s • Working Temperature: -40 ~ 150 deg. C
• Linear range: 0.05mm
• Operating voltage: 24VDC

 

10) THERMOCOUPLE TEMPERATURE SENSOR MODULE

• Sensors: 1 x Thermocouple Type K and 1x RTD PT100
• Includes heater element with:

– Built in heater element

– Temperature control adjust

– Power supply: 240VAC with L/N/E outputs and mains On/Off switch with indicator

– A/B+/Bconnectors for RTD100

– B+/B- connectors for Type K thermocouple

 

11) BOURDON GAUGE) MODULE

• The most common mechanical device that used to measure the air pressure. When the bourdon tube is pressurized, a tube tends to straighten its circular and increase the radius of c-shaped
• As the result, the pointer will point to the corresponding scale
• Pressure range: 0 ~ 150psi

 

12) LOAD CELL MODULE

• Used to convert the force energy into electrical energy. The strength of the signal change in proportional to the force applied.
• Rated Load: 6kg
• Rated output: 2.0+/- 0.2mV/V
• Input resistance: 405 +/- 6 ohm
• Output resistance: 350 +/- 3 Ohm
• Works with Load Cell Transmitter (Display) Module

 

13) LOAD CELL TRANSMITTER (DISPLAY) MODULE

• A meter which used to display the load cell value in millivolt unit. It is used with the Load Cell module.
• Input supply: 240VAC/50Hz
• Impedance: 100M Ohm
• Display range: -1999~1999
• Input signal: 2.0mV/V
• Contact output: 250V AC/3A
• Analog output: 4 ~ 20 mA or 0 ~ 10V

 

14) LINEAR SCALE (MICROMETER)

• A tool which used to measure an object length or diameter
• Range: 0 ~ 25mm
• Fine adjust: 0.01mm

 

15) NPN LOAD PNP LOAD MODULE

• Input: 24VDC
• NPN Load: 24VDC, DC 3 wire
• PNP Load: 24VDC, DC 3 wire

 

16) TEMPERATURE PROCESS CONTROLLER MODULE

• Input supply: 220 ~ 240VAC
• Accuracy: +/- 5%FS
• Control Method: PID Control / ON/OFF control
• Alarm Range: Full scale free setting
• Input Method: Thermocouple Type K, J, R, S, B, E, N, T PT100 CU50
• Output Method: PID relay /SSR solid state relay (output simultaneously)

 

17) MAGNETIC FLOAT SENSOR MODULE

• A kind of sensor that using the magnetic to turn on/off the switch
• Sensor type: Reed Switch
• Use with Level Control module

 

18) LEVEL CONTROL MODULE

• Used with Magnetic float sensor/switch
• Normally closed type
• The gate of level control will open when 24 VDC is applied
• The float switch acts as gate keeper to control the gate of level control
• Operating voltage: 24VDC

 

19) DC MILIAMMETER MODULE

• Measurement range: 0 ~ 2 Ampere
• Working environment: – Temp: -10 ~ 50 deg C – Humidity 85%RH
• Operating voltage: 240VAC

 

20) LOW TEMPERATURE UNIT MODULE

An instrument that used to measure low temperature, the sensor used in this module is NTC type 10K which have a water resistance features

• Operating voltage: 220 ~ 240VAC
• Temperature Range: -50 °C ~ 110 °C
• Accuracy: 0.1 °C
• Load Power: 240/1500w
• Input Type: NTC10K 1 meter Water resistance

 

21) HAND PUMP • Light weight

• Portable, easy to use
• Pressure range: 0 ~ 100 psi approx.

 

22) POWER SUPPLY CONSOLE MODULE

• Input: 240VAC/50Hz
• Output: 240VAC via 4mm safety connectors
• Output: 24VDC via 4mm safety connectors
• Output: 24VDC via 4mm safety connectors
• Mains ON/OFF switch with indicator x1
• Miniature Circuit Breaker x1

 

23) MOUNTING FRAME UNIT

• High Level: Din Standard A4 with two shelves
• Material: Aluminum or Steel
• Side Frame: T shape
• Size: 3-Layer
• Length: 1200mm (approx.)

 

24) WEIGHT SET

• Object size: 5 sets of different weight object provided as weight load cells

 

c) Experiment Topics Coverage

1. Beam/transmitter envelope/coverage of sensor
2. Beam/transmiter axis effects of sensor
3. Sensing axis of sensor
4. Sensing range of sensor
5. Distance to convergent point of sensor
6. Sensing object
7. Hysteresis of sensor
8. Repetability of sensor sensing
9. Response time of sensor
10. Bourdon Gauge characteristics and operation
11. DC Milliammeter
12. Pressure Switch characteristics and operation
13. Ultrasonic Humidity Sensor operation
14. Load Cell characteristics and operation
15. Load Cell Transmitter characteristics and operation
16. Inductive Proximity Switch characteristics and operation
17. Diffuse Reflective Mode characteristics and operation
18. Retro-Reflective Mode characteristics and operation
19. Thru Beam Sensor characteristics and operation
20. Linear Scale
21. NPN Load, PNP Load
22. Photo Sensor characteristics and operation
23. Magnetic Float characteristics and operation
24. Level Control
25. Low Temperature Unit
26. LVDT (Linear Variable Differential Transformer) operation
27. Temperature Sensor characteristics and operation
28. Capacitive Proximity Sensor characteristics and operation

 

d) Accessories

• Connecting leads 4mm (1 set)
• Mains power cord x1 e) Manuals
• Operation Manual x1
• Lab Experiment Manual x1

 

f) Warranty

• Two (2) years warranty against manufacturing defects covering parts and labor.

 

 

Note: Due to products continuous development process, layout and specification may change without prior notices.