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Using a Digital Multimeter
Digital Electronics
Unit 1 - Fundamentals
Multimeters
This Lesson:
• About a multimeter
• Multimeter Components
• Making correct Connections
• Taking simple Measurements
What is a Multimeter?A Multimeter is a:
Voltmeter – measures potential difference (voltage) between 2 points
Ammeter – measures current
Ohmmeter – measures resistance
Plus: Other instruments to measure: Continuity, capacitance, diodes, etc
Multimeters – ON/OFF
Multimeters – Continuity Tester
Multimeters – Voltmeter
Multimeters – Ohmmeter
Multimeters - Ammeter
Multimeters – Transistor Tester
Multimeters – Diode Tester
Multimeters – Battery Tester
Multimeters – Capacitor Tester
Multimeters – Black Lead
Connecting Black Lead
Multimeters – Red Lead
Connecting Red Lead
Multimeter - Kelvin
Continuity Setting
Breadboard Worksheet
Click Here to Open the worksheet
Professional Development LessonID Code: 4006
Resistor placement
Can Not Be PoweredCan Not Be PoweredOrOr
Part Of An Active CircuitPart Of An Active Circuit
Connecting Leads
Ω
Resistance Settings
Resistor placement 330 Ω
10k Ω
The Test Circuit
Voltmeter Settings
Test Points for Voltmeter
Ammeter Settings
Test Points for Ammeter
Ammeter or Voltmeter?
Curriculum Alignment:
Unit 1 - Fundamentals
Lesson 1.4 – Resistance
Act. 1.4A – Resistors
Lesson PowerPoint – Digital Multimeter
References:
Scherz, P. (2000). Practical Electronics for Inventors, New York, NY: McGraw- Hill.