How to Use a Digital Multimeter

Step-by-Step Guide

1. 1

   Step 1: Connect the multimeter to the circuit.

   Insert the black probe into the common terminal and the red probe into the terminal marked for measuring volts and ohms.
   
   The terminal may also be marked for testing diodes.
2. 2

   Step 2: Twist the selector knob to set the multimeter to measure resistance.

   This may be represented by the Greek letter Omega, which stands for ohms, the unit of measurement for resistance. ,, If you leave the resistor in the circuit you may not get an accurate reading. ,, A reading of 10 may indicate 10 ohms, 10 kilo-ohms or 10 mega-ohms.
3. 3

   Step 3: Turn off power to the circuit.

4. 4

   Step 4: Remove the resistor you want to measure.

5. 5

   Step 5: Touch the tips of the probes to each side of the resistor.

6. 6

   Step 6: Read the display

7. 7

   Step 7: taking care to note the units.

Detailed Guide

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