Multimeter Tutorial: How to Measure AC Voltage

Step 1: Choose any active alternating current socket.

Fig. 1: Image of an AC socket

Note: Make sure that the socket is not turned ON.

Step 2: Turn the multimeter knob to the ACV or AC Voltage section:

Fig. 2: Image of ACV Section of Multimeter

To ensure safe operation make sure that the knob is pointing to 400V before connecting the probe to the plug.

Also make sure that the red probe is connected to the ‘V’ and the black probe to the COM as shown in the image given below:

Fig. 3: Image Showing Probes Connected to Multimeter

Step 3:Insert the testing probes into the socket.

Fig. 4: Image showing Probes Inserted in AC Socket

Polarity is not an issue in AC.

Step 4: TURN ON THE POWER SUPPLY.

Step 5 :Power ON the Multimeter.

Step 6: Turn ON the AC supply.

Fig. 5: Image showing Probes Inserted in AC Socket

The multimeter will display the AC voltage which is in the specified range of 220-240V, indicating the AC supply to be working normally.

Fig. 6: Image showing AC voltage Reading by Multimeter 

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Filed Under: Tutorials
Tagged With: electronic measurement and testing, measure AC voltage, multimeter, testing
 

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