Additional information
| Brand | Bytronic |
|---|
Transducer Trainer
The TRT is a collection of four transducer trainers which include Optical, Temperature, Strain gauge and LVDT. The four different trainers help teach students an introduction into various elements of transducers. The strain gauge trainer uses a cantilever beam arrangement to produce strain on the strain gauge with weights placed on the free end of the cantilever. The seven-segment LED display shows strain in micro strain units. Different weights are provided to perform linearity and sensitivity experiments.
The Optical Transducer comprises of various sensors and transducers which provides the basic knowledge for sensing light and signal conditioning of the signals received from the sensors and transducers. The Temperature Transducer trainer covers four different types of transducers. Experiments covering fundamental characteristics of transducers and the study of transducer controlled switching/alarm systems can be performed.
The LVDT (Linear Variable Differential Transformer) is the most widely used inductive transducer for displacement measurement. LVDT is a secondary transducer which converts the displacement directly into an electrical output proportional to the displacement. The trainers seven-segment LED display shows displacement in mm with a sensitivity of 10mV/mm in the range of 10mm.
Experiments:
Optical Transducer Experiments
- Characteristics of Filament Lamp
- Characteristics of Photovoltaic Cell
- Characteristics of Photoconductive Cell
- Characteristics of PIN Photodiode
- Characteristics of Phototransistor
- Optically Controlled Switching System
Temperature Transducer Experiments
- Characteristics of IC Temperature Sensor
- Characteristics of Platinum RTD
- Characteristics of NTC Thermistor
- Characteristics of NTC Bridge Circuit
- Characteristics of K type Thermocouple
- Temperature controlled Alarm System (1 NTC)
- Temperature controlled Alarm System (2 NTC)
LVDT Transducer Experiments
- Study of Input Output Characteristics of LVDT
- Determination of Linear Range of Operation of LVDT
- Determination of Sensitivity of LVDT
- Measurement of Phase Difference between LVDT Secondary Winding
Strain Gauge Experiments
- Study of Strain Measurement using Strain Gauges and Cantilever Assembly
- Determination of Linear Range of operation of Strain Measurement
- Determination Sensitivity of Trainer
Key Features
- Four different optical Transducers
- Study of Transducer controlled switching
- Functional blocks indicated by on-board mimics
- Four different temperature Transducers
- Study of Transducer controlled switching/alarm systems
- On-board signal conditioning circuitry
- Sensitive, Linear, Stable and Accurate
- 3½ digit LED display with polarity indicator
- LVDT displacement measurement jig with micrometer
- On-board excitation generator
- Amplitude adjustment for excitation generator
- Test points to observe inputs and outputs
- Onboard gain adjustment
- Offset null adjustment
- 3½ digits LED display
- On-board cantilever arrangement
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Electronics, Control System and InstrumentationControl System Trainer
The Control System Trainer (CST) is designed for the study of digital and analogue control engineering using fundamental control theory with simple direct connections or the use of programming software. The CST can be used to carry out the various experiments using the elements and breadboard to design a control application to a specification. Simple or complex experiments are possible by linking the range of devices and sensors on the CST.
The CST has two main project areas and a range of digital logic building blocks with a prototyping area. The first project area has a D.C. motor, for speed and direction control combined with a heater for temperature control. Consisting of a 5V dc motor; this is used in a closed-loop to drive a fan that cools a heater to a set temperature or can be used to break an infra-red beam for speed control. The second, main project area is a light control system; a controller is required to maintain a set luminance when an external interference from a second lamp is introduced, it uses two light sources, one source of light and one source of light disturbance.
There are a variety of projects to undertake using the range of sensors and devices on the CST. These elements are a bread board area, voltage to frequency converter, light dependant resistor (LDR), a de-bounced switch, a tilt switch, Piezo buzzer, TTL monitor, a bank of logic switches, a logic probe and a clock source. Headers that accept standard solid core wires are used to connect each element of the CST. Connection to a PC is possible using a suitable interface card through digital and analogue connections.
Experiments:
- Generic courseware for the CST
- Generate digital outputs
- Read in digital inputs
- Read in digital inputs on port B and output them on port A
- Sound Piezo buzzer when CST is tilted
- Pulse an output at a rate specified by user
- Sense closure of the de-bounced switch and keep a count of the occurrences
- Sense closure of the de-bounced switch and keep a count of the occurrences over a specified time interval
- Count input pulses from the clock generator, via a timer/counter channel
- Implement software generated PWM signal
- Implement hardware generated PWM signal using two timer/counter channels and clock generator
- Implement hardware generated PWM signal using two timer/counter channels and user input
- Generate an analogue voltage in the range 0-5V
- Read an analogue voltage in the range 0-5V
- Generate triangular wave output
- Calibrate the LDR circuit in the light control box
Key Features
- Building control circuits and PC control programming
- Introduces electronic control techniques
- Bread board area allows expansion of project ideas
- Control of a D.C. motor for temperature, speed and direction control
- Light control system
- Seven other projects with varying complexity
- Connection for control from a PC using program development software
- Comprehensive labworks for control circuits and programming software
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