SOP Penggunaan Multimeter dan Power Supply

Summary

The video script is an instructional dialogue on how to set up and use a power supply to measure the current across a resistor. It guides the user through powering on the device, adjusting voltage and current settings to specific values, and connecting the circuit correctly. The script also explains how to read resistor values using color bands and a multimeter, including calibration and measurement techniques. It emphasizes safety precautions to avoid short circuits and concludes with the successful completion of the task.

Takeaways

• 🔌 The script discusses setting up a power supply for a circuit with specific voltage and current requirements.
• 🔧 The process involves turning on the power supply and adjusting the voltage to 5 volts as per the task instructions.
• ⚡ To set the current to 0.05 ampere, the script describes turning the appropriate switch until the display shows the correct value.
• 🔄 The script mentions the use of an output button to release voltage and current to the circuit once the wiring is complete.
• 🔌 It is important to connect the positive and negative cables from the power supply to the corresponding points in the circuit.
• 🛠️ The script includes a method to measure the resistance of a resistor using a multimeter, ensuring the correct setup and calibration.
• 🎨 It explains how to read the color bands on a resistor to determine its resistance value, in this case, a 3K ohm resistor.
• 🔍 The script provides a step-by-step guide on calibrating the multimeter to measure resistance accurately.
• 📐 The importance of avoiding gross errors by placing the resistor on a project board and calibrating the multimeter is highlighted.
• 🔋 The script describes how to measure the voltage from the power supply using the multimeter, ensuring the correct range is selected.
• 🌐 It also covers how to measure the current in the circuit, starting with the highest range to prevent damage to the multimeter's fuse and adjusting as needed for accuracy.

Q & A

What is the main task that the characters are trying to accomplish in the script?

The main task is to set up a circuit to measure the current (ampere) across a resistor as part of an assigned task.

How do you turn on the power supply according to the script?

You turn on the power supply by pressing the power button.

What voltage setting is required for the task in the script?

The required voltage setting for the task is 5 volts.

How do you adjust the voltage on the power supply?

You adjust the voltage by turning the voltage switch until the display shows the desired voltage, which is 5 volts in this case.

What is the required current setting for the task?

The required current setting for the task is 0.05 ampere.

How do you connect the power supply to the circuit?

You connect the positive cable from the power supply to the positive terminal of the circuit and the negative cable to the negative terminal of the circuit.

What is the function of the output button on the power supply?

The output button is used to start the flow of voltage and current from the power supply to the circuit.

Why is it important to turn off the power supply after use?

It is important to turn off the power supply after use to prevent any potential hazards and to conserve energy.

What is the resistance value of the resistor mentioned in the script?

The resistance value of the resistor mentioned is 3 kilohms, or 3000 Ohms.

How can you determine the resistance value of a resistor using its color bands?

You can determine the resistance value by reading the color bands on the resistor. The first band is the first digit, the second band is the multiplier, and the third band (if present) is the tolerance. In the script, the resistor has an orange (3), black (0), and red (multiplier of 100) band, resulting in a 3K Ohm resistor.

How do you calibrate a multimeter to measure resistance?

You calibrate a multimeter by setting the selector to the appropriate range, in this case, 1k, and then zeroing the probes by connecting the red and black probes together and ensuring the needle points to zero on the multimeter scale.

What is the correct way to connect a multimeter to measure the voltage from the power supply?

To measure the voltage, connect the positive probe of the multimeter to the positive terminal of the power supply and the negative probe to the negative terminal, ensuring not to reverse the connections to avoid a short circuit.

How do you measure the current in the circuit using a multimeter?

To measure the current, first set the multimeter to the highest current range, such as 0.25 ampere, to prevent damage to the multimeter's fuse. Then connect the multimeter in series with the resistor, ensuring the positive and negative probes are connected correctly to avoid reading errors.