Transducers and Instrumentation Unit Deluxe

The Transducers and Instrumentation Unit, to show most of the devices used in the industry that allow the electronic systems to communicate with the real world, to measure physical variables and to control industrial processes.

ATENG 12352 — Transducers and Instrumentation Unit

The Transducers and Instrumentation Unit, “ATENG 12352”, shows didactically the function principles of the transducers most

• used in industry. It is divided into two parts: the lower part, in which all the input and output transducers are found, while in the upper part,
  the system of signal conditioning and those of instrumentation are found; the electrical and pneumatic power supplies are housed in its
  interior.
• Input transducers:
• Resistance transducers for applications in angular or linear position:
  Linearly sliding potentiometer. Rotary carbon-track potentiometer. Rotary coil potentiometer.
  Precision servo-potentiometer.
  The Wheatstone bridge circuit.
• Applications of temperature:
  NTC Thermistors (Negative Temperature Coefficient). RTD Sensor (Platinum Transducer with Temperature dependent Resistance).
  Temperature sensor IC “Integrated Circuit LM 335”. Thermocouples type “K”.
• Applications of light:
  Photovoltaic cell. Phototransistor. Photodiode PIN. Photoconductive cell.
• Linear position and force:
  LVDT (Linear Variation Differential Transformer). Extensiometric transducer.
• Environmental measurements:
  Air flow sensor (flowmeter). Air pressure sensor. Humidity sensor.
• Rotational speed and position control:
  Slotted optoelectronic sensor. Opto-reflective sensor. Inductive sensor. Hall effect sensor. Permanent DC magnet tachogenerator.
• Sound measurements:
  Dynamical microphone. Ultrasonic receiver.
• Visualization devices:
  Timing device/counter with LED display.
  Graphic bar visualizer.
  Mobile coil voltmeter.
• Output transducers:
  Electrical resistance.
  Incandescent lamp.
• Applications for the sound output:
  Buzzing (Buzzer). Mobile coil loud speaker. Ultrasonic transmitter.
• Applications of linear or angular motion:
  DC Soleinod. DC Relay. Solenoid valve. Permanent magnet DC motor.
• Signal conditioners:
  DC Amplifiers.
  AC Amplifier.
  Power amplifier
  Current amplifier.
  Buffers.
  Inverting amplifier.
  Differential amplifier.
  V/F and F/V Converters.
  V/I and I/V Converters.
  Full wave rectifier.
  Hysteresis convertible comparator.
  Electronic switch.
  Oscillator 40 kHz.
  Filter 40 kHz.
  Time-constant convertible low pass filter.
• Circuit with mathematical operation:
  Adding amplifier.
  Integrator with different time constants.
  Differentiator with different time constants.
  Instrumentation amplifier.
  Circuit SAMPLE & HOLD.
  Amplifiers with gain control and offset.
  Furthermore it contains a linearly mounted system of a DC motor, tachodynamo, reflective, slotted opto-sensors to detect the
  absolute and incremental position.
  Cables and accessories, for normal operation.