A Multimeter is a valuable tool for any DIY enthusiast. If you are one and you need to know the status of your vehicle electrical components, then you need to have the Best Multimeter in the market today. This is the reason I have put up a list of seven Multimeters that every car owner should know about. But first, let us go through some of the basic things to know about this device.


What is a Multimeter

A casual definition would be the tool that has the combined features of an Ohmmeter, Voltmeter, and an Ammeter. This is an instrument that is used to measure the voltage, current, and resistance. There are two types of Multimeters; the digital and the analog. The analog has a moving pointer that shows the readings while the digital one gives its reading using a numerical display.

What you need to Know Before Buying a Multimeter

The number one reason that may push you into the purchase of a Multimeter should be what you are planning to use it for. We all want devices that are easy to work with, efficient and have one or two safety features that correspond to the cost. Other factors to consider include:

Analog or Digital

The choice of which one to use depends on how you want your readings to be displayed. The Analog Multimeter shows the changing trends in readings, unlike the digital one which will give you the exact reading which to some people may not be what they are looking for.

The bottom line is they both have a clear visual readability, and it is a matter of choice. It may also be said that an Analog Multimeter gives its readings faster than the digital ones. With the world headed in a digital direction each of these devices has their strong and weak points that I wish we could cover but it beyond the scope of this article.


​It is the desire of everyone to have an instrument that delivers 100% accurate measurements. A Multimeter that delivers an almost perfect reading is what you should think of buying. Any significant error in reading may cause a lot of problems during diagnosis, to avoid this it is advisable to know the error margins of any Multimeter you intend to buy. But if you are looking for one to use in a commercial environment, precision is key.

Safety Features

Any work that involves electrical components should be handled with safety and precaution not only for your sake but for the devices you are working on. Look at the Multimeter rating so that you know the maximum and the minimum reading you can work with while using a particular Multimeter.

Other safety features to look for include its external design, input protection shield, and internal blast shield. Look at how easy it is to handle while using it.

Manual or Auto Ranging

​Ranging is the ability of the Multimeter to detect the device you are working on automatically. You do not have to shift ranges manually to get your readings. Those that use manual ranging forces you to know the different range of devices and their voltage and current capacities before testing. A desirable Multimeter is one that does the ranging for you.

The Design

A good quality Multimeter should have a durable casing or cover to guard it against accidental falls or knocks. The probes should be properly insulated to guarantee safety whether in use or not.​

What Are the Benefits of Using a Multimeter

  • Three in One Tool: A Multimeter is a combination of three tools (Ammeter, Voltmeter, and an Ohmmeter) that can give three different readings separately.
  • Both the analog and the digital devices are easy to use and portable.
  • They can detect readings from a wide range of devices and electrical components.

Overview of the Best Multimeter Of 2018

Now to the second section of the article where I will highlight the different Multimeters that should be considered by both professionals and DIY users. You will see in details the product features and where they are best utilized. The order of review does not mean the order of preference.

1. Etekcity MSR-R500 Digital Multimeter

Etekcity Digital Multimeter is designed to measure current, voltage, resistance and continuity all in one reading. It is believed that it can be used at home and in the garage. Having an inbuilt LCD that displays readings. Etekcity is also ideal for the testing of diodes and transistors. The device can be used in electrical assembly and repairs.

It has a low battery indicator and an overload protection. Its outer body is made of rubber that cushions it against drops. It is operated by a 9V battery, and it comes packaged with two test leads. Has the old function on its display that can be used to ‘freeze’ data on the screen for detailed analysis.


  • Give accurate results on continuity
  • Ease of use
  • Has a built in support stand
  • Its overload protection covers all ranges


  • Cannot be used for AC readings
Etekcity Digital Multimeter, Amp Volt Ohm Voltage Tester Meter with Diode and Continuity Test, Dual Fused for Anti-Burn, MSR-R500
1964 Reviews
Etekcity Digital Multimeter, Amp Volt Ohm Voltage Tester Meter with Diode and Continuity Test, Dual Fused for Anti-Burn, MSR-R500
  • ACCURATELY MEASURES: AC/DC Voltage, Only for DC current (Not...
  • HELPFUL TROUBLESHOOTING: Use it to safely and accurately...
  • EASE OF USE: Data Hold button holds a reading; large backlit...
  • SAMPLING SPEED: 3 times per second. Built-in support stand...
  • SAFETY PROTECTION: Overload protection on all ranges....

Last update on 2019-05-31 PST - Details

2. Tacklife DM03 Classic Digital Multimeter

Tacklife DM03 is also a Digital Multimeter that can be used to take both AC and DC measurements. It has a hold function for the maximum value of resistance, voltage, current and continuity. You can use the PTC circuit to measure temperature and frequency and the SG one to measure voltage. It has a buzzer that’ sounds when resistance is below 30 Ohms.

It is equipped with a low battery indicator and has an auto power off feature when not in use. The turn off feature also works on the battery. This makes the battery durable. The Backlit LCD panel can be used in bad visibility. It comes with a user manual, a 9V battery, and two test leads.


  • Can measure both AC and DC components
  • Auto power off feature
  • Bright LCD can be used in poor visibility
  • Compact design
  • Durable sleeve protection


  • Not able to measure battery load capacity
  • Doesn’t have the NCV non-contact capabilities function
Multimeter,TACKLIFE DM03 Auto Ranging Multi Tester, Measures AC & DC Voltage and Current, Resistance, Continuity, Frequency, Diode Electronic Tester, Digital Multimeter with Backlit LCD
171 Reviews
Multimeter,TACKLIFE DM03 Auto Ranging Multi Tester, Measures AC & DC Voltage and Current, Resistance, Continuity, Frequency, Diode Electronic Tester, Digital Multimeter with Backlit LCD
  • ▲MAGNUM MULTIMETER: Trms 2000 counts, auto-ranging...
  • ▲BID FAREWELL TO POWER ISSUES: The digital multimeter...
  • ▲HUMANIZED DESIGN: The multimeter keeps maximum value, 3...
  • ▲SAFETY-FIRST MULTIMETER: PTC & SG overload protection,...
  • ▲WHAT YOU GET - 1 x Tacklife DM03 Digital Multimeter, 1 x...

Last update on 2019-05-30 PST - Details

3. INNOVA 3320 Auto-Ranging Digital Multimeter

Innova 3320 is a small and handy device that gives its users an easy feel when handling. It is said to be quite affordable in its class. It is equipped with a bright display and gives more accurate readings. The body is very sturdy and well protected by a protective rubber at the corners and can withstand shocks and accidental drops.

It is powered by two AA batteries which are controlled by the auto off feature to ensure their durability. The device will switch to auto-ranging feature when connected to an electrical component. It has color coded LEDs for low battery warning. The device has a single setting resistance function for both DC and AC voltages.

You can use this Multimeter at home and in the garage when setting to 10 MegOhms. The color coding is appropriate for testing household batteries with the red indicating replacement, yellow, weak, and green, good. Apart from the stand, it has a holder that allow the device to be used in a hands-free mode.


  • Easy to use
  • Has passed the UL safety test
  • Allows for hands-free testing
  • Sturdy design and protection


  • The 2AA batteries may not last that long in a busy environment
  • There is a lot of complaints about its ability to measure continuity
INNOVA 3320 Auto-Ranging Digital Multimeter
2632 Reviews
INNOVA 3320 Auto-Ranging Digital Multimeter
  • UL certified product designed to safely and accurately...
  • Auto-ranging scales eliminate the need to dial in the...
  • Features large digital display and color coded LED's for...
  • Single-setting resistance function for AC and DC voltage
  • Protective rubber corner guards for drop protection

Last update on 2019-05-30 PST - Details

4. Amprobe AM-510 Commercial/Residential Multimeter

The Amprobe AM 510 can be used for both commercial (light) and residential applications. It can be set to use the auto or the manual ranging feature to get measurements. Amprobe AM 510 has a non-contact voltage detection, a backlit display, flashlight, and an auto power feature. The device can measure AC and DC currents up to 10 amps and AC and DC voltage up to 600V.

You can use it to test the amount of charge remaining on a 1.5V or the9V battery. It is equipped with a micro amp reading that is used to identify changes in current applicable in flame detector applications. The display is visible in both good and poor light.

Amprobe AM 510 features a zero mode that can be used a reference point for subsequent readings which makes it even easier to compare readings. Its hold function will store the value even after the device has been disconnected. Its continuity is transmitted in audible sounds. After 30 minutes of inactivity, the device uses its auto feature to shut down. Low battery signal will beep when the battery needs replacement.

The back stand feature allows for the device to be used hands-free. The holder can be used to store the probes when they are not in use. It comes with a set of detachable leads. The product manufacturer says that this device has been tested independently and conform to international standards and safety.


  • Applicable for a broad range of home and light industrial applications
  • Has the noncontact voltage detection
  • Audible continuity and diode test
  • Safety rated category III device


  • The switch may be difficult to handle when wearing gloves (no grooves)
  • The leads are not as strong as they look
  • On resuming power, the temperature measure defaults to Celsius regardless of the setting
Amprobe AM-510 Commercial/Residential Multimeter with Non-Contact Voltage Detection
474 Reviews
Amprobe AM-510 Commercial/Residential Multimeter with Non-Contact Voltage Detection
  • Measures voltage up to 600V AC/DC, AC/DC current and...
  • Full-featured with non-contact voltage detection, audible...
  • Large backlit LCD display with data hold and relative zero...
  • Durable, rubber overmolded enclosure
  • Safety Rated: CAT III 600V

Last update on 2019-05-30 PST - Details

5. TekPower TP9605BT Auto Ranging Digital True RMS Smart Multimeter

TekPower is a fully functional Multimeter with inbuilt intelligent connections. You can connect USB and smartphones (Both iOS and Android) on its ports. The manufacturer provides the mobile Apps to be used in conjunction with the device via play store and App store. When sold, it comes with a wired USB port, K-Type heat sensor, an optical cable, and free software for both the device and USB data logger software.

TekPower offers seamless communication between your smartphone and computer. The test results can be extended to the social media platforms such as Twitter, Facebook, and Email. It can be used by anyone and shows its data in list or chart form. This Multimeter has an auto-ranging capability for both AC and DC voltages and a 10A current on AV and DC. Its frequency measure up to 10 MHz Its holding feature holds both the maximum and minimum readings. Its backlight can be used in the dark, and it can be used to work on long assignments.


  • You can save data for future reference
  • Can be connected to other handheld devices and computer
  • Free Mobile App available
  • Offers real-time data streaming


  • It has to be turned on or off to use
  • Bad key navigation design (one has to turn off a previous function to start another one)
  • Plastic body for outer casing
  • The battery lid may be difficult to pull out for some people
TekPower TP9605BT Auto Ranging Digital True RMS Smart Multimeter with Bluetooth & USB Connection, Free App Available for iOS and Android
63 Reviews
TekPower TP9605BT Auto Ranging Digital True RMS Smart Multimeter with Bluetooth & USB Connection, Free App Available for iOS and Android
  • Full Function 6000 Counts True RMS Multimeter with...
  • World First Cellphone Connected Multimeter, download free...
  • Wired USB connection available
  • Comes with K-Type thermo probe, optical USB cable, PC...
  • Free APP software and USB Data logger software

Last update on 2019-05-30 PST - Details

6. Extech EX330 Auto ranging Mini Multimeter with NCV and Type K Temperature

Regarding cost, the Extech EX330 Multimeter is pocket-friendly and loaded with a variety of features. The device can test continuity and tilt stand as additional features. The data holding capacity can be set to maximum. It can be used to measure temperature as well. It is powered by two triple A’s batteries. It has an inbuilt non-contact AC voltage detector.

It is an approved category III UL listed device with an additional temperature probe. Extech is placed inside a rubber holster for added protection. The device has a big display for an easy read as well as an audio beeper for continuity testing and LED indicator to signal low battery. The inbuilt thermometer has a switch that can be used to change readings from Fahrenheit to Celsius.


  • Easy to carry around
  • Can work both in manual or automatic mode
  • Has an inbuilt thermometer for temperature readings
  • Has an inbuilt non-contact voltage detector


  • Cannot be used to measure very hot temperatures
  • May be slow on resistance measurements
Extech EX330 Autoranging Mini Multimeter with NCV and Type K Temperature
359 Reviews
Extech EX330 Autoranging Mini Multimeter with NCV and Type K Temperature
  • Built-in non-contact AC voltage detector (NCV)
  • 4000 count autoranging multimeter measures AC/DC voltage and...
  • Cat III - 600V UL listed
  • Includes Type K temperature probe
  • Rubber holster protects meter

Last update on 2019-05-30 PST - Details

7. INNOVA 3340 Automotive Digital Multimeter

Innova 3340 is an ideal home mechanic tool of choice with a UL certification to boost its place in the market. It was originally designed to diagnose engine problems but it can also be used for testing other household appliances. Has an inbuilt temperature probe and test lead holders for hands free protection.

Apart from the auto ranging abilities, this device also has auto power off, overload protection, an automatic zero adjustment, and polarity protection. The maximum and minimum buttons can hold and save data. This is an ideal tool for testing alternator diodes and wiring switches.


  • Can measure high temperatures
  • Has overload protection
  • Has test lead holders for added protection


  • Can’t measure car idle speed
  • Some users report slow reading time
INNOVA 3340 Automotive Digital Multimeter (10 MegOhm/UL)
253 Reviews
INNOVA 3340 Automotive Digital Multimeter (10 MegOhm/UL)
  • Professional Automotive Multimeter designed to help pinpoint...
  • Tests alternator diodes, duty cycle, solenoids, breaker...
  • Temperature probe, inductive RPM clamp and carrying case...
  • Features auto-ranging, auto shut-off and over-load...
  • Includes test lead holders for hands-free protection

Last update on 2019-05-30 PST - Details


Dealing with electronic and electrical components needs a lot of caution in every aspect. This is the reason why you need the Best Multimeter that will guarantee safety and accurate results. The smallest error in your tests may be fatal.

An ideal Multimeter should be the one that measures both current and voltages across devices. Amprobe AM-510 is the best Multimeter if you are looking for a device that will operate both in the home and a commercial setting. The two INNOVA 3320 and INNOVA 3340 have almost the same features, but they were initially designed to be used in the automotive industry, in that case, I would recommend INNOVA 3340 for any serious automotive probing because it seems to have additional features to what the INNOVA 3320 has.

The winner in this category has to be a device that offers more connectivity and is consistent with technology. In that case, TekPower TP9605BT takes the crown even though it may have one significant disadvantage; it has to be turned on every time you want to take new readings.​

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Chief editor at Paul's Gigantic Garage. I came up with this blog to help you to sort out some basic problems your car may be facing and in turn, save lots of cash by some of my DIY tips that I hope will get your car out of its current situation. I also had in mind motor enthusiasts who for the love of cars who are constantly looking for information about cars on the latest trends, questions, fixes, driving, tricks, and accessories.


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