How To Read Ohm Meter 20k? – Explained With Details

Ohm Meter is one of the essential electric tools. You can read voltage and resistance between two points using an Ohm Meter.

An ohmmeter is the first material for every engineer and technician to work on. In the Electrical Practical class, students need an ohmmeter in each practice. Everything in an electrical circuit, from the resistor to its current, can be measured by an ohmmeter.

Every Engineering Student should know how to read ohm meter 20k. A technician needs this tool regularly. You can start with us if you have little knowledge about reading ohm meters.

You can call the ohm meter a multimeter. The name multimeter is more common nowadays. Measuring a multimeter is not a complicated task. You need to know about the ohm meters and then start testing. Let’s dive into it!

How To Read Ohm Meter 20k

How to Read Ohm Meter 20k? Explained

How to Read Ohm Meter 20k? Explained

Reading an Ohm meter 20k is a simple process that can be easily explained. First, turn the Ohm meter on and set it to the 20k setting. Then, touch the two probes of the meter together to calibrate it to zero. Next, place one probe on one end of the tested circuit or component and the other on the opposite. The Ohm meter will then display a reading in ohms, which represents the resistance of the circuit or component being tested.

It is important to note that if the reading is lower than expected or zero, this may indicate a short circuit or faulty component. Conversely, if the reading is higher than expected, this may indicate an open circuit or broken connection. Following these steps and correctly interpreting the readings, anyone can learn how to use an Ohm meter 20k effectively to test circuits and components.

Estimated Cost of a Multimeter

Estimated Cost

A multimeter costs you around 5 to 30 dollars. You can quickly get it from a hardware shop if you need to purchase it.

Some multimeters cost over 50 dollars. These have different benefits. However, such an expensive multimeter is not required for regular work.

However, all the instruments are pre-stored in the practical class. If you are a student, it will cost you 0 bucks.

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Time Needed

Time Needed

In the beginning, it takes around 10 to 15 minutes to measure. But once you become an expert, it takes a minute.

And when you work with circuits, you have to calculate the values of the components. In that case, how much time you need depends on the complexity of the circuit.

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You need to know how to use the ohmmeter and how to read the ohmmeter. After that, it is a one-minute task. A digital ohmmeter is the best for reading resistance. We recommend using a multimeter. Don’t use an analogue ohmmeter because this is not fun at all.

  • A multimeter.
  • Test leads.
  • A resistance.
  • A complete circuit.

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Steps of Reading Ohm Meter

Steps of Reading Ohm Meter

It would be best if you had an Ohm meter at first. So, you have to collect or buy an ohmmeter. Don’t collect an analogue meter.

Analogue ohmmeters were used in schools of that earlier era. The analogue ego meter had a needle that moved along a scale. This meter is currently backdated.

So, having a digital meter with a digital screen would be best. A digital multimeter displays the grade numerically. NT digital meter is a good ohm meter overall.

It has good accuracy, and you will find many useful functions. It is not a cheap multimeter. But it is a value-for-money product.

Set Up The Battery

Set Up The Battery

If you purchase the NT digital meter, its battery will be pre-installed. Some meters do not have batteries installed at the time of purchase. However, the batteries are given separately.

So, regardless of what meter you use, you must check if you have plugged the battery appropriately at the beginning.

An analogue meter can measure a maximum of 10,000 ohms. But you need to read 20,000 ohms. You cannot do this without a digital meter. So, an analogue ohmmeter is useless for you.

Try to collect a good quality multimeter so that you can test not only resistance but also voltage, amperage, etc.

Plug Both Tests Leads With The Meter

Plug Both Test Leads With The Meter

Reading an ohm meter can be intimidating, but it can be a breeze with the right instructions. To read an ohm meter 20k, plug both test leads into the meter. Then, select the “ohms” function on your meter and set it to 20k (or 20,000). Next, touching one of the tests leads to one end of the resistor or component you want to measure and touching the other lead to the opposite end. The reading should appear on your meter’s display.

The meter has two leads named “common” and “positive.” The standard plug is the negative one, and the positive plug is the positive one.

  • Attach the black lead to the negative or standard plug.
  • Attach the red lead to the positive plug.
  • Plug the short-end terminal of the lead inside the socket.
  • Use the long-end terminal to examine circuit resistance.

You don’t need to buy the leads separately. When you buy an ohmmeter, you will get the leads. Keep in mind that if you are measuring a resistor while it is still connected to a circuit, you may get an inaccurate reading due to other components affecting the measurement. With these steps in mind, you can read an ohm meter like a pro in no time. There are two leads you will get with the ohmmeter. You have to plug both of the leads.

Check The Ohmmeter And Make Sure The Value Is Zero

Check The Ohmmeter And Make Sure The Value Is Zero

Learning to read it can initially seem overwhelming if you’re new to using an ohmmeter. However, once you understand the basics, it’s actually quite simple. Set the ohmmeter to 20k and check that the value is zero. This will ensure that you get an accurate reading when measuring resistance. Next, connect the leads to the circuit or device you want to measure.

Connect the red lead to the circuit’s positive (+) side and the black lead to the negative (-) side. Once connected, read the value on the ohmmeter display. This reading will give you an idea of the resistance present in your circuit or device.

 Now, you have to measure the value of the ohmmeter.

  • Tough the probes together.
  • If it displays 0, then the digital meter is ready to use.
  • The needle will go to the highest right if it is an analogue meter.

Count The Scale of Ohmmeter

Count The Scale

When reading an ohm meter with a 20k scale, the first step is locating the scale on your meter. Once you have found it, you can begin counting the scale to determine the measurement. Each tick mark on the scale represents a certain value, so paying close attention to the increments is important. For example, if you are measuring a resistance of 5.6 kiloohms, you would count six tick marks on the 10k side of the scale and then add five more tick marks on the 1k side of the scale.

By taking your time and being accurate in your counting, you can ensure that you get an accurate reading from your ohm meter every time. An omega (Ω) symbol is on the digital ohm meter display. It is a Greek symbol. It indicates the unit of resistance.

  1. If you test the resistance in the kiloohm range, you will see the letter “k” placed before Omega (Ω).
  2. For the megaohm range, you will see the letter “M” before Omega (Ω).
  3. You will see the letter “m” before Omega (Ω) for the milliohm range.

Scale Measurement

Scale Measurement

It is important to understand the scale measurement when using an Ohm meter with a 20k scale. The scale measures resistance in ohms, with each increment on the scale representing a certain amount of resistance. For example, if the meter reads 5 on the 20k scale, this indicates a resistance of 5,000 ohms.

It is also important to consider other factors affecting the reading, such as temperature or humidity. To use the Ohm meter effectively, it is recommended to calibrate it before use and to ensure that the leads are properly connected to the circuit being tested. With practice and attention to detail, anyone can learn how to read an Ohm meter on a 20k scale and accurately measure resistance in their circuits.

  • 1 ohm = 1 ohm,
  • 1 kiloohm = 1000 ohm
  • 1 Megaohm = 1000000 ohm

For example, showing 5.2K Ω on display means 5.2 kiloohms or 5200 ohms.

Read the Value of Resistance

Read the Value of Resistance

Reading an ohm meter 20k can be confusing, but it is an essential skill for anyone working with electrical circuits. The first step in reading an ohm meter 20k is to ensure the device is set to the correct range. You must know how to display the value of a resistor. Understanding the value is the focal point of reading the ohmmeter. If you cannot read the value, you cannot sum the voltage and current of the circuit.

  • Each resistor has a specific value.
  • But when measuring the resistance, its value decreases slightly.
  • The value of the resistor is slightly lower due to the temperature difference.
  • Always show the value of the resistor up to two digits after the decimal.

Set The Range

Set The Range

When reading an ohm meter 20k, an important step is to set the range correctly. Make sure you set your meter to read resistance and select the appropriate range for the measurement you need to take. All the multimeter does not have an auto-range function. You do not need to range the meter if you have an auto-range system on your ohm meter. Otherwise, you have to set the range manually.

  • 2M is suitable for tongue measurement. Here, 2M means not more than 2000,000 ohms.
  • If you range 20k, it won’t show more than 20,000 ohms.

Get an idea of the range of components before you test them. If you do so, you can easily set the range without any problem.

Turn On The Meter And Select the Resistance Function:

Turn On The Meter And Select Resistance Function

Turn on the resistance function if you use a multimeter because a multimeter can read resistance, voltage, and current. You cannot measure resistance if the voltage function is on.

Thumb up the power switch, and the ohmmeter is ready to work. If you don’t find the button, ask your teacher or consult a manufacturer.

Again, an ohmmeter on this side only measures the resistance. The ohmmeter has no function to measure voltage or current. So, you don’t have to select any function separately there.

Don’t Connect Power Supplier

Don't Connect Power Supplier

You do not need to have any power supply to measure the resistance of the resistor. Because the power supply is high, there is a possibility of damage to the multimeter or ohmmeter.

A high-voltage power supply also can damage the components of the circuit. Keeping the power supply on the circuit for a long time changes the value of the resistor, capacitor, or transistor.

Test Each Resistance Before Setting in The Circuit

Test Each Resistance Before Setting in The Circuit

Reading an ohm meter 20k can initially seem intimidating, but it is straightforward. Before setting the resistor in the circuit, testing each resistance with the ohm meter is important to ensure it works properly. To do this, set your ohm meter to the 20k range and touch the probes to either end of the resistor. The ohm meter will display a reading indicating the resistance of the resistor in ohms.

Ensure that this reading matches the value indicated on the resistor before proceeding. If a significant difference exists between the indicated and measured resistance, try testing again or replacing the resistor altogether. By taking these steps, you can ensure that your circuit functions properly and avoid any potential issues. It is vital to read the resistor’s value.

  • Before preparing the circuit, you should check the resistor, each transistor, and the capacitor once.
  • Sometimes, excess voltage supply changes the value of the resistor.
  • So, if you check once from the beginning, you will understand the value.
  • Keep a notebook and pen to write down the values.

Read The Resistance With Leads

When reading an ohm meter 20k, there are a few key steps to remember. First, ensure that you set the meter to the appropriate range for the resistance you are measuring (in this case, 20k). Then, connect the meter leads to the component you want to measure. Connect the positive lead to one end of the component and the negative lead to the other. Finally, it is time we are waiting for. Now, we read the resistance using an ohmmeter.

  • Keep notebooks and pens with you, and prepare yourself to measure resistance.
  • Take the black and red leads.
  • If you use a multimeter, then turn on the resistance function.
  • Set the range to 2M. Then, take the resistor.
  • You will see two silver plates of your resistance. They almost look like silver wire.
  • Touch the plates with the leads.
  • In this case, there is no need to worry about the colour of the lead.
  • The resistance value can be seen on the display of your ohmmeter.

Read The Value of Series and Parallel Circuits

Read The Value of Series and Parallel Circuits

Reading an ohm meter can be daunting for many people, but anyone can learn how to do it with a little practice. When reading the value of series and parallel circuits on an ohm meter 20k, there are a few key steps to follow. In the previous step, we learned how to measure the resistance of a resistor using an ohmmeter. But what if you want to measure a parallel or series resistance? Follow the steps to do so.

  • First, design the circuit on paper.
  • Then, place the components on the circuit board according to the picture.
  • Don’t connect the board to the power supplier.
  • If you use a multimeter, then turn on the resistance function.
  • Set the range to 2M.
  • Touch the two leads at the two ends of the circuit.
  • The total resistance value can be seen on the display of your ohmmeter.

Danger Warnings

When using an ohm meter to measure electrical resistance, it is important to take certain precautions to ensure your safety. For example, if the circuit is live or has a high voltage, it may pose a risk of electric shock. Always follow the manufacturer’s instructions carefully, and do not attempt to use the device if you are unsure how to do so safely.

By taking these precautions, you can ensure that you can read an ohm meter 20k safely and accurately. Reading ohm meters can be tricky, especially if you’re not used to it. Here are a few tips that will help you get started safely and efficiently:

  1. Ensure the ohm meter is properly calibrated – This is especially important if you’re reading voltages higher than 10 volts. Calibration ensures that the readings you get are accurate and reliable.
  2. Use the right probe – The probe with your ohm meter is designed to measure single-voltage currents. If you’re reading voltages higher than 10 volts, you’ll need to use a different probe (a probe designed for higher voltages).
  3. Test the probes first – Before you start reading ohm meters, ensure all the probes are properly connected and tested (that means connecting each probe to a known voltage and checking that the reading on the meter is accurate). This will help avoid any potential accidents or misunderstandings.
  4. Read slowly and carefully – Once you’ve connected the probes, read the reading slowly and carefully to understand what it is saying. Don’t try to read too fast or make sudden movements – this could cause inaccurate readings or injuries.

Hopefully, these tips will help you start reading Ohm Meter 20k-Danger warnings safely and effectively.

Final Word

An ohmmeter or a multimeter is a fundamental instrument of every technician. Using an ohmmeter is the basis of electric practical. It is effortless to use. Reading an ohm meter 20k can initially seem intimidating, but it can become second nature with some basic knowledge and practice.

Following the steps outlined here, you should be able to read resistance measurements using an ohm meter 20k accurately. Remember always to take safety precautions when working with electrical equipment, and if you have any doubts or concerns, don’t hesitate to seek professional help. With some patience and practice, you can confidently use an ohm meter 20k for all your electrical needs.

So was the “How To Read Ohm Meter 20k” guideline helpful for you? Please leave a comment below.


1.What Does 20K Mean On A Multimeter?

Ans. On a multimeter, 20k means it reads a maximum of 20,000 ohms. It does not display the value of the resistance is more than 20k. 20 kΩ range is counted as a middle range for a multimeter.

2.How Much Ohm Is Considered A Short?

Ans. 2 ohms or less than 2 ohms is considered as short.

3.How Much Ohm is the Good Ground?

Ans. 5-ohm resistance is counted as good ground.

4.How do I Test My Multimeter?

Ans. Connect the battery and touch the two leads. If it displays a reading, then the multimeter is okay.

5.How Many Ohms Is An Open Circuit?

Ans. The open circuit voltage is the voltage between the points where the current enters and leaves the circuit. This voltage is measured in volts, the difference between the supply voltage (usually 12 volts) and the load voltage (usually 3 to 12 volts).

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