✔ How To Check Resistor Value

How To Check Resistor Value

- September 07, 2019

Compare the ends of the resistor. Decide which band is the first band.

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You will next need to determine the rated value of the resistor.

How to check resistor value. Prepare a digital multimeter dmm to measure the resistor. A resistor with red green and black bands followed by. Set a digital multimeter for ohms set an ohms range that is equal to or higher than the.

Heres how you use the color code to figure out the nominal value of the resistor refer to the figure. Isolate the resistor from the circuit. Remove one end of the resistor from the circuit board to get an accurate reading.

Video of the day step. If you look at a resistor one end should have a gold silver or white band. Before you can test a resistor you need to know its strength and tolerance.

Power off the circuit containing the resistor you wish to measure. Turn the resistor so that this band is to your right. Next obtain an electrical meter capable of measuring resistance.

How to check a resistor steps in order to test a resistor it is important to first disconnect one lead from the circuit. Turn the multimeter dial to the resistance setting. Never measure a resistor in a circuit with a live current running through it.

Discharge any capacitors in the circuit by touching the leads of a spare high wattage resistor to the leads. Determine the actual. Check resistor values with the color codes.

Read the resistor value visually. Usually the colored band at one end is closer to that end than is the colored band at the other end. Decoding the nominal value of a resistor.

Set your meter to an appropriate range. How to test resistors steps remove power from the circuit containing the resistor.