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Instrumental Analysis

Instrumental Analysis

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Instrumental Analysis

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Presentation Transcript

  1. Instrumental Analysis Electrical Components and Circuits

  2. Laws of Electricity

  3. Component Symbols Power sources (V) and common connections (GND)

  4. Relay Manual switch Optocopler

  5. Optocoupler

  6. Optocoupler

  7. Resistors Electrical Components

  8. Electronic Components Resistors Resistor Color Rings A Resistor Value is determined by its color band and is measured in ohms First Ring is units Second Ring is Ten Third Ring is number of zero’s Fourth Ring is tolerance Resistor Color Code Values First Ring Black = 0 Brown = 1 Red = 2 Orange = 3 Yellow = 4 Green = 5 Blue = 6 Violet = 7 Gray = 8 White = 9 Second Ring Black = 0 Brown = 1 Red = 2 Orange = 3 Yellow = 4 Green = 5 Blue = 6 Violet = 7 Gray = 8 White = 9 Third Ring Multiplier Silver = X .01 Gold = X .1 Black = X 1 Brown = X 10 Red = 2 = X 100 Orange = 3 = X 1000 Yellow = 4 = X 10,000 Green = 5 = X 100,000 Blue = 6 = X 1000,000 Violet = 7 = X 10,000,000 1m 12m Pg 7

  9. Direct CurrentSeries Circuit I Ohm’s Law Kirchhoff’s Laws

  10. Variable Voltage Divider

  11. Potentiometers / Variable Resistors

  12. Photoresistors Variable resistors Thermistor

  13. Electrolyte Nonelectrolyte Capacitors

  14. Transformers Variac

  15. Component Symbols Inductors (L) and Transformers (T) simple inductors adjustable adjustable tapped The two parallel lines indicate that the inductor is wound on a core of iron, iron powder, or ferrite material. transformers

  16. H.V transformer Tesla Coil TV-Line Car Ignition

  17. Symbols Electronic Components Microphone Outputs voltage Batteries In volts Inductor or Coil In henries Resistor In Ohms + Power Supply Outputs Volts Transformer Input voltage Speaker Input voltage Potentiometer Variable Resistor 120V AC In DC volts Out Isolated Capacitors In Farads Step Down + Step Up 2m 2m Pg 3

  18. Measuring Devices Multimeters: Analogue

  19. Digital multimeters

  20. High voltage probe

  21. Insulation tester Megger

  22. Time domain measuring instruments Oscilloscope

  23. Inside the Oscilloscope

  24. Function generator

  25. Delay Generator

  26. Function / Delay Generator

  27. Signal / Coaxial Cables & BNC connectors RS232 / 9-pin GPIB /IEEE Cable RS232 / 25-pin