Best Voltage Tester Review & Buying Guide 2021

Best Voltage Tester Review & Buying Guide

Most electronics experts are concerned about the presence of voltage in electrical work. Don’t get me wrong; There is no problem with this as it is critical to check the electrical parts of your daily work. This is when an examiner comes into play.

For electricians, this piece of equipment is an integral part of their work and must be in their tool bag. However, there are many products on the market and so it becomes difficult to decide on one of the best options. If you are looking for the best voltage pen tester, we have done several analyzes to make your shopping hassle-free. Keep reading.

10 Best Voltage Pen Tester for electricians Review

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1. Klein Tools – NCVT-3 Tester

The brand Kelvin has supplied high-quality electrical equipment and tools for nearly two centuries. Stability, accuracy and performance As the main features of electrical equipment, NCVT-3 voltage detector scores great points. This type is a non-contact option that can detect between 12-1000 AC.

It uses audible as well as visual indicators for voltage. Another feature is the LED flashlight that helps illuminate your work environment. You can also use this experimental function to detect voltage. The equipment allows a simple operation because it has an LED feature that shows the voltage presence level. When there is a high voltage or when it is near an electrical source, there is more light.

We have an auto-power feature in the battery that ensures the longevity of the battery. In addition, batteries for caps and rings are protected from dust or water. Similarly, indicator lights use up to 5 LEDs and allow it to be easily viewed or interpreted.


  • Detects voltage between 12-1000 AC
  • Strong field strength
  • LED flashlight features
  • Battery with auto-power off feature
  • There is a flashlight


These tools come from a well-known brand for premium quality, easy to operate, long-lasting battery life and efficient products.


  • Gives bright light that illuminates your work area
  • Simple philosophy, interpretation and management
  • Battery life has an impressive duration.
  • High quality
  • The battery also has rings that protect the device from the ingress of dust or water.


  • There are annoying words.
  • Using old technology

2. Klein Tools-NCVT-2- best 2 pole voltage tester

Clean Tools-NCVT-2 Receptive Tester is another product from Clean Tools that you can use to detect without automatic communication. This is the best two-pole meters on our list of recommendations. First, it is a non-contact and dual-range meter whose primary function is to detect voltage.

Additionally, it indicates a low voltage between 12 and 48V AC and a normal voltage between 48 and 1000V AC. Therefore, it is a versatile device for use in a variety of applications. Further, it can detect AC / DC voltage in switches, wires, circuit breakers, cords, illumination, outlets and cables. You are likely to use it in recreation, irrigation, protection, environmental control systems, and communication systems.

This lightweight electronic tester produces a high-density and bright LED light that illuminates your workplace. So, the tool is easier to use and you will not need any torch while using this model.


  • Dual-range voltage detector
  • Easy to read
  • The red light indicates that a high voltage is present.
  • Displays a steady blue light that can help you examine dark spots
  • Detects voltage range between 12-49Av
  • Lightweight and compact


The Clean NCVT-2m is a high-quality tool that works in a variety of applications. Due to its versatile use, we recommend it as a top pick.


  • A device is a high-quality tool that will give value.
  • It is a versatile tool for a variety of applications.
  • We have an LED light to illuminate your workplace.
  • From a well-known brand
  • Automatic detection
  • Lightweight construction


  • It is extremely sensitive.
  • Most single outlets work.

3. Neoteck Voltage Meter

Whether you are a DIY enthusiast or an expert, the equipment Neutech needs for your projects is a contactless meter and there are many reasons why it is featured as the pick at the top of our selection list. The first thing that strikes me about this model is its wide application, which makes it suitable for testing your home equipment.

Second, it is absolutely safe to use at home because it is not in contact with nature and it will not surprise you. It is highly efficient and the pen glows when any voltage comes. So it is a reliable tool to use for your DIY or commercial work.

The best part is that the device is versatile and you can use it to illuminate the upper parts of your work area or dark spots. Additionally, you can use it for various projects such as switches, wires, fixtures, outlets, circuit breakers and much more.


  • Illuminates the workplace
  • Easy to read and a reliable way to check for currents
  • It is easy to read because it displays color-coded neon light.
  • It performs a periodic self-examination, which is indicated by a rapid flash of light.
  • Versatile
  • Lightweight and portable


We chose this device because it is a multi-purpose tool that professional electricians and DIY hobbyists can use.


  • It’s lightweight and portable
  • Detects low voltage with an accuracy
  • The price of the product is reasonable.
  • Many purposeful uses
  • High-quality device
  • It is safe to use


  • Annoying things happen when a hot wire is detected.
  • Replacing a light switch is not easy.

4. TACKLIFE- best of voltage and continuity tester

If you are looking for a handy tool for your electrical work, you may want to consider a TacLife non-contact tester, which is designed to fit a small body in a small space. This means you can test without touching the electrical source. This device is highly efficient and can automatically detect any live or null wire.

It does this by identifying the electric field, after which it generates a beeping sound. Unlike some super sensitive non-contact voltage testers, this device has a flexible sensitivity, which fluctuates between 12 to 1000 V AC or 48 to 1000 V AC. So it gives you the freedom to adjust the sensitivity depending on your needs. The device is easy to use and the LCD is clean. When testing, it is illuminated to display the voltage.

Also, you can estimate the battery level. Furthermore, it has high definition and its battery indicator as the screen quality is high-definition. When tested, the screen is green for null wires or red for a live wire. Another thing to add is that the device will illuminate your dark spaces and use less energy. Finally, it comes with a pencil hook for portability and an auto shut-off power for switching the device when not in use.


  • Flexible sensitivity
  • It is a user-friendly tool that works by pressing and holding power.
  • Button for less than 3 seconds
  • This tester is a reliable way to look for current.
  • Pocket clip
  • LCD screen
  • Starts working in a dark environment


  • Low power consumption
  • Has an auto shut-off feature
  • Has a flexible sensitivity
  • High-quality LCD
  • It is portable
  • Dark places are illuminated.


  • Fails to turn on the flashlight when the voltage is low
  • Not ideal for DC scanning

5. Fluke 1ac- best fluke voltage tester

If you want a tool that can detect low or standard voltage and which is a versatile one, we recommend Fluke. It is the ultimate fluke voltage and continuity tester. We like this fluke model for its simplicity and simple design. With a CAT-IV rating of 1000V, you don’t have to worry about safety since it’s not a contact meter.

To get an idea of your voltage readings, it uses a consistent self-test technology. Even better, when the Fluke detects a voltage, it illuminates a sound and tip. The glittering red tip indicates the presence of AC voltage. This pocket-sized tester has a flashlight to illuminate dark areas and makes it versatile for various uses. Fluke is suitable for detecting voltages between 90V AC and 600V AC.

It’s easy for you and all you need is to tap into the strip or electronic duct. Finally, it is suitable for several operations of indoor or outdoor installations to test electrical circuits.


  • CAT-IV rating of 1000v
  • Volbeat technology
  • Using self-examination technology
  • It is worth more money than some cheap expenses.
  • The tip glows and beeper sounds in detection.
  • Flashlight features
  • Detects voltage between 90v-600v


The main reason we choose the best fluke voltage tester is simplicity and easy operation. Also, the Fluke is highly efficient to check the presence of voltage.


  • It is a versatile device.
  • Can illuminate dark areas
  • It has a beep sound when it detects the voltage.
  • Suitable for home and commercial use


  • There are no additional features.
  • Somewhat expensive

6. Milwaukee- best non-contact dc voltage tester

Milwaukee is a dual-range non-contact voltage tester, and although it matches the standard of clean, Milwaukee is an incomparable tester for electronics for many reasons. This outstanding device can detect voltages between 10 and 1000 V and this makes it suitable for use at home and in commercial establishments.

It has a flashlight to illuminate the work area; However, this feature can only do electrical work with a tester’s help. After detecting the voltage, it generates a beeping sound to alert you. This is useful for electronics experts working on outdoor projects or in some noisy areas. Also, it detects standard and low voltage, which makes it a straightforward tool for your projects.

Although it comes with a high price tag, the device is made from high-quality material for durability. Plus, it’s a lightweight device and weighs just 2.39 ounces. So, it’s easy to carry around for your projects. The package comes with two AAA batteries, which are impressively durable.


  • There is a flashlight.
  • It has voltage sensors that can detect sensitivity levels.
  • This gives the wire a flat tip to detect the AC / DC voltage.
  • Produces a sound
  • The voltage sensor is easy to use
  • Easy to use
  • The package includes two AAA batteries.


Milwaukee is a high-quality device that can detect voltages in a variety of electrical equipment and outlets. We recommend it for its reliability and efficiency.


  • High quality for good quality
  • There is a flashlight to illuminate your spaces.
  • Tips when it detects a voltage
  • Lightweight and portable


  • It’s expensive
  • The sound of the beep is deafening and annoying.

7. Greenlee- best for a voltage continuity tester

Greenley Voltage Detector lets you check and identify any faults with your electrical equipment. It runs on AAA batteries, which you can replace with orders from the store. Still, you get a pair with your purchase. The first thing that can be noticed about this model is sensing the electric current without touching the conductor.

It is also adjustable, depending on your needs. This device can detect voltage in lighting, power wiring, thermostats, home appliances, and much more for multiple uses. It works well in detecting hot or neutral electrical conductors and can tell when the voltage is low. For this reason, it features a range of power rating voltages between 5-1000V and supports CAT IV.

Similarly, it is compatible with most installations. Although it detects and illuminates a voltage, it cannot be used as a flashlight to illuminate dark spaces.


  • Versatile
  • Good build quality
  • The fully insulated probe tip
  • It is worth more than some of the cheaper expenses of the money spenders.
  • This model will still display audible and visual signals that there is voltage present.
  • Power rating detection range between 5-1000V
  • Lights up


Overall, we love the Greenley non-contact detector’s versatility, which allows for a wide range of applications. For the price, you get the real price and durability.


  • Ensures security
  • High quality
  • Versatile for a variety of applications
  • Light after detecting a voltage
  • The package includes a battery.


  • It does not illuminate the place.
  • The price is a bit steep.

8. Dr Meter- best for a voltage pen tester

Dr Meter Tester Pen is our next product, which provides non-contact voltage detection between 90 to 1000 VAC. This is the best non-contact voltage meter for your electrical work. It can distinguish between a neutral and live wire. It can also detect voltage power.

So you can know when the current is actually low. This handy test has an LED that also acts as a flashlight. So, you can use it even if your work area is dark. After all, it produces a light beep and a green light that indicates the presence of voltage. For your peace of mind, the tester examines safe and dark places and prevents the possibility of shock.

It is a high-quality device, durable and lightweight; So, it is convenient to carry your tasks. Finally, the tester is suitable for DIY work and can also be used by electronics and security personnel for maintenance.


  • Featuring a thin probe tip
  • It can get close to and detect the magnetic field around any conductor.
  • The beep is quite loud, so there is really no question about whether electricity is present.
  • Safe to use
  • Lightweight
  • Versatile


A unique feature is the automatic shut-off function, which ensures that the device switches off when you do not use it. We consider it a battery saver and more reasons to buy.


  • It’s reasonably priced for people who are reasonably priced.
  • High-quality equipment
  • Illuminates dark places
  • Small and lightweight
  • Versatile equipment
  • It is safe, reliable and convenient.


  • The battery does not last long.
  • The tests failed to fit the tamper-proof outlet.

9. KAIWEETS HT100- best for a voltage Pentester

The QWITSS HT100 Non-Communication Tester is a perfect description of safety and the best continuity tester for home improvement. Unlike some devices that only light up once or beep one, this simple tool illuminates several times for voltage detection.

It is non-communicative, which means placing the probe near the electrical strip or outlet will only illuminate and beep. Additionally, it can detect a live and earthy wire for your protection. Because of this, we recommend it to electronics and DIY homeowners. Another notable feature is the dual-range voltage meter which can detect voltages between 2-1000V AC and 48-1000V AC and this makes it an electronic tester of heavy charges.

It is flexible and effective at different sensitivity levels. The voltage-led bar graph allows for easy use and versatility for power testing on doorbells, kitchen appliances, irrigation systems and more. For safety and security, it is compatible with CAT III and meets CE standards. Lastly, the design is compact and can fit in your pocket, making it a simple tool.


We recommend this model as a dual-range voltage tester and it makes it suitable for small and heavy-duty work.


  • There is a voltage graph that makes the device easy to use
  • High quality and durable
  • A versatile and simple tool
  • Protection for use
  • Compact and lightweight
  • Reasonably priced


  • The instructions are not clear.
  • The brightness level decreases in older batteries.

10. Amprobe -PY-1A- best USB voltage tester

Your safety comes first when it comes to electrical work, then everything else. That’s why we recommend our final product Amarob Tester which works well for both AC and DC electronic outlets.

It is a versatile tool for voltage testing at home and commercial enterprises, making it the best non-contact DC tester for professional electricians. Size is a smooth tool that can fit in your pocket for convenient use. We like the durability of products that come from a brand famous for high-quality products. The device can light up even to indicate any voltage where the house is well lit.

Additionally, it allows one-handed testing, for it comes with an easy-to-use device and a user manual with simple instructions. We also need to mention that this model is a standard product that can fit in regular US and Canadian outlets. Also, it is certified as III 600V and CE.


  • Slim size
  • It features a flat tip to detect the voltage of the cable.
  • You can touch it with a wire and get an indication that a low voltage is present.
  • There is a neon light.
  • III 600V and certified as CE
  • There is a user manual.


We like the compressor of this device, which allows testing on one side. Additionally, it can fit in small spaces like your toolbox and shirt pocket.


  • High-quality device
  • Compact size
  • Security rating certificate
  • Many purposeful uses
  • Illumination on voltage detection


  • It does not work well in bright sunlight.
  • A beep does not produce sound.

Buying Guide For The Ultimate Tester for home use

With so many different types of non-contact voltage testers on the market, finding the right one that will meet your needs can be a daunting task. Here, we present a few questions that will help you decide the best tools for your projects.

Which non-contact testers is right for me?

Without good contact, the detector should detect both low and standard voltage. Low voltage can lead to efficiency in electrical gadgets, while high voltage can damage your home’s electrical equipment.

It should have light and sound warning indicators to enable you to set the voltage. The word warning should be loud enough, and the light warning should be strong enough to be clearly visible even on a sunny day. The right non-contact detector should be water-resistant and turn off automatically if not used to save the battery.

It is not possible to detect dull-colored testers in dark areas. So, consider a bright or chic color. Batteries should be rechargeable and durable. A pen detector with a hook is good because you can hook it into your pocket and prevent it from being misplaced.

Why is a non-contact voltage tester necessary?

Before you start fixing problems related to electricity, make sure the power supply is off. Testers will prevent any accidental accident from direct contact with the wire. When there is no current flowing, there is no low voltage or standard voltage for you to take appropriate action, a tester will warn you.

If an electric current is present, the testers will illuminate or generate a warning sound where the electric live wire will be detected. It can detect even after the wire is insulated. Testers must place current flow in a wire, switch, outlet or lamp that has stopped its flow. This is a handy tool for all electricians and homes DIY hobbyists. There will be no warning signs in the detector when there is no current in the tools you are testing.

Moreover, it is safe to use and protects you from potential electrical systems, which can be fatal if you contact a live wire. It is essential to have this device even at home. You can know when the low voltage or high voltage. This is a tool that requires no training to use and you will know when to call an electrician to fix problems in your home.

How does a non-contact voltage tester work?

Detects changes in electrical current around models that conduct voltage electric current or AC without a contact. This protects you from electric shock by warning you about the presence of an electric current in an appliance or line.

It would be dangerous to touch the electronic conductor’s equipment without establishing whether there is an electric current flow. When the voltage tester is directed at these subjects, it gives a warning through light or sound or both. By doing this, you will know what is present and what is not.

If you want to solve a problem, the next step is to turn off the power supply. A non-contact voltage detector does not require direct contact with the electrical conductor.

The indicator LED lights up when there is a live circuit when you touch the handle and bring the tester’s pen closer to the behavior.

With technological advances, the best USB meters allow connection to any app and so you can transfer readings to your Android or iOS models.

Why should I invest in a premium non-contact voltage tester?

A premium non-contact voltage tester has many features. It is compact and will fit in your pocket, and with the help of a pen design, you can draw it in the pocket of your dress or shirt. It is within reach as many times as needed. It’s beeping and flashing and it’s always available since you have it.

There are various colors, and there is an opportunity to choose a visible color even after it has gone down in the grass environment. The quality of a premium non-contact voltage detector will not disappoint you. Voltage testers guarantee you that it will serve you longer without replacement.

It is convenient and unlike the general tester, it does not come into direct contact but feels a current when it comes close to the operating equipment. You are safe while using this device.

In contrast, the best voltage testers can be used for industrial purposes by professional electricians.

How did I choose the best non-contact voltage tester?

The first step in buying any item is to set your needs and budget for it. There are other things to look for when selecting a tester. You need to consider a device that is safe and will not endanger your life.

A good tester should have an indicator like beeps, lights and vibrations. These voltage tester features enable you to choose a device that can alert you if there are any connections or electrical equipment problems.

Can non-contact voltage detectors test for polarity?

A voltage tester without contact is basically meant to test the voltage on a live wire or electronic conductor. Polarity is the positive or negative conductor present in a direct current circuit. The voltage tester cannot establish polarity and only a voltmeter or multimeter can.

A solenoid voltmeter is most suitable for polarity as well as voltage testing. It warns you about the presence of voltage through clicks or vibrations; The higher the noise, the higher the voltage.

How do you check the voltage on an electric fence using a multimeter?

There is no contact voltage tester designed to check the electric trip. It is easy to check. First, you set the voltmeter to the voltage setting. The sensitivity dial has a display reading kV, which means kilovolt.

Next, pick up a fence wire and place the voltmeter there. Each fence manufacturer provides voltage and you can establish whether it is working in the display of your voltmeter. You can know the high or low voltage, the actual voltage at that particular time.

How do you check 3 phase voltage using a multimeter?

The first step is to set the multimeter to read as V with an AC or a DC wave size. Then, place the black probe inside the COM port and the red probe inside the test-port.

At this point, make sure your hand does not touch the circuit directly. Next, place the black and red probes on the open wire or left-heat leg or one stage. Read the voltage and note it somewhere. Next, detect the red probe in the next hot leg, read the voltage, and record. Until the end, keep it on the third leg for the final or third episode.

Which is better to measure voltage – voltmeter or multimeter?

A voltmeter is specifically for measuring voltage. A multimeter will also measure voltage, but it goes the extra mile to measure resistance and current. Instead of buying a versatile device and a voltmeter that limits you to one function, you may want to consider keeping a multimeter.

What does it mean when a non-contact tester indicates the presence of voltage on one wire, but the voltmeter shows no voltage?

In such a situation, there is a possibility that the voltage meter will not work. You can switch off the meter and check if the situation is the same. Therefore, it means that the meter is faulty and the voltmeter leads can also be faulty. There is also the possibility of loose contact with the wire towards the voltage meter.

Picking The Finest Voltage Tester For You

There you have it! We non-contact voltage testers should keep a few things in mind as we finish our review. For starters, your protection comes first. A non-contact voltage pen does not touch the electrical source and therefore protects you from electric shock.

The device should also light up or make a beeping noise to warn you in case of low or high voltage. A versatile device gives you even more value because you can use it at home or in industrial applications.

In the end, it should be of high quality and portable so that it becomes convenient for outdoor use. These testers sinned, taking the Clean Tools-NCVT-2 Voltage Tester Trophy as the best tester of money.

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