Top 5 Best Extech Multimeter for Advanced Electricians

Multimeters are a handy tool to have around the house for checking on the voltage of batteries, testing wiring, and diagnosing electrical problems. While there are many types and brands of multimeters on the market, Extech makes some of the best. With a wide range of features and models available, there is an Extech multimeter for just about everyone. Here we’ll take a look at some of the most popular models and what they can do. So whether you’re a DIYer or an electrician, consider adding an Extech multimeter to your tool arsenal. You won’t regret it.

Multimeters are one of the most important tools an engineer can own. They’re essential for troubleshooting, testing and diagnosing electronic circuits. In this blog post, we’ll take a look at Extech’s new multimeter, the EX330. The EX330 is a great option for those looking for an affordable multimeter with all the features they need. It has a large backlit LCD display, automatic voltage and current measurements, data logging and more. So, if you’re in the market for a new multimeter, be sure to check out the EX330.

Extech 645618 MN35 Digital Mini MultiMeter

Extech 645618 MN35 Digital Mini MultiMeter

Extech – 645618 MN35 Digital Mini MultiMeter

Reasons To Buy

Has a bigger screen display

Can measure temperature

Strong and compact

Has a great holster and tilt stand

Reasons To Avoid

No backlit display

Doesn’t have auto-ranging

You’re looking for a quality multimeter that is both compact and easy to use, and the Extech 645618 MN35 Digital Mini MultiMeter is perfect for your needs. With 8 functions including temperature measurement, large digital display, and 1.5V and 9V battery test function, this meter can do it all. The tilt stand and rubber holster make it easy to take with you wherever you go, while the protection against accidental drops will keep your meter safe.

The Extech MN35 is the perfect mini multimeter for taking on the go. It has a large, easy-to-read display and comes with an integrated tilt stand and impact-resistant rubber holster. With its compact size and durable design, you can take this multimeter wherever you need it.

The Extech MN35 is a digital mini multimeter that is perfect for hobbyists and DIYers. It offers 8 functions, including AC/DC voltage up to 600 volts, thermocouple temperature measurement from -4 to 1400° F (-20 to 750° C), resistance (40 MΩ), continuity and diode testing. With its ±0.5% basic accuracy, the MN35 is comparable to higher-end meter.

Compact and convenient, the Extech 645618 Digital Mini MultiMeter is perfect for on-the-go use. With a durable rubber holster and tilt stand, it’s easy to take this mini multimeter with you wherever you go. It features manual ranging, so you can measure AC and DC Voltage to 600V, Resistance with Continuity and Diode functions, DC Current to 10A, Temperature, and 9V/1.5V Battery test.

Extech EX330 Autoranging Mini Multimeter

Extech EX330 Autoranging Mini Multimeter with NCV and Type K Temperature, orange and green

Reasons To Buy

Affordable In Price

Easy to use

lightweight, and compact

Great precision and resolution

Durable and sturdy casing

Large-digit, 4000 count LCD screen

Reasons To Avoid

No backlight

Accuracy a bit out

Introducing the Extech EX330 Autoranging Mini Multimeter – the perfect tool for electrical troubleshooting. This easy-to-use digital multimeter measures DC/AC voltage to 600 volts, DC/AC current to 10 amps, resistance, and more. Plus, with its non-contact voltage (NCV) detector, you can easily test for live wires without having to make contact. The EX330 is also equipped with an easy-read LED display, audible beeper and red LED indicator, and low battery indicator – making it the ideal meter for any application.

If you’re looking for a no-nonsense multimeter that can take on just about any job, the EX330 is the perfect choice. With its 4000-count display, 12 functions, and Type K thermometer, this little workhorse can handle anything you throw at it. So whether you’re a professional technician or a DIY enthusiast, the EX330 is the ideal tool for all your measurement needs.

The Extech EX330 is a compact, digital multimeter with basic features. It has a CAT III 600V rating and can measure voltages up to 600 DC and AC amps up to 10. Additionally, it has a frequency counter range of 0.001 Hz to 10 MHz, capacitance range of 1 pF to 200 uF, and temperature range of -4 degrees to 1382 degrees F. It also has an audible continuity feature and maxes out at 40 megohms.

The Extech EX330 multimeter is perfect for hobbyists, homeowners and DIYers. With its large 4000 count display, the EX330 is easy to read, even in low-light conditions. The built-in non-contact voltage detector makes it easy to locate electrical faults, and the UL listed Cat III – 600V rating means it can handle even the most challenging jobs. Plus, the included test leads, Type K temperature probe and tilt stand make it easy to get started right away.

Extech EX505 CAT IV 600V True RMS Industrial MultiMeter

Extech EX505 CAT IV-600V True RMS Industrial MultiMeter with Waterproof (IP67) Rugged Design for Heavy Duty Use

Reasons To Buy

IP67-rated for water, dust and moisture resistance.

Strong enough to withstand the most severe damage imaginable.

Auto and Manual Range for every load setting.

Auto and manual Hot Spots for any display temperature

Advanced ALD/SIG’s to save an incredible amount of time.

The perfect thermometer for anyone who needs a temperature reading without putting on gloves.

Easy to use, with ease-of-access features like an LED display and simple buttons for settings.

Reasons To Avoid

Short stock leads

Temperature readings can be inaccurate

The Extech EX505 is the perfect multimeter for professionals who need a heavy-duty, feature-rich meter that can take a beating. Whether you’re in industrial or electrical maintenance, or doing repairs and diagnostic work, the EX505 has everything you need to get the job done. With its True RMS measurements, 600 V CAT IV rating, and wide range of features, the EX505 is ready for anything.

The Extech EX505 industrial multimeter is perfect for busy commercial and industrial environments. Its True RMS calculation compensates for AC waveform distortion, giving you accurate readings every time. Plus, with its auto-ranging capabilities, the EX505 adjusts the measurement range based on the detected source, making it easy to get a quick read on whatever you need to measure.

The Extech EX505 CAT IV 600V True RMS Industrial MultiMeter is a must-have tool for any professional electrician. With autoranging and basic accuracy of 0.5%, it ensures you get an accurate reading every time. Plus, the 1000V input protection means this meter can handle even the most challenging tasks. And at just 12.3oz, it’s easy to take with you wherever you go.

The Extech EX505 CAT IV 600V True RMS Industrial MultiMeter is the perfect tool for professionals who need a heavy-duty, accurate meter that can measure a variety of variables. This meter measures AC/DC Voltage (1000V) and Current (10A), Resistance (40Mohms), Capacitance (100 microFarads), dual sensitivity Frequency (electric 1kHz/electronic 10MHz), and Type K Temperature (-4 to 1382 degrees F (-20 to 750 degrees C)). It also features a 4,000 count backlit LCD display, 0.5% basic accuracy, Relative/Data Hold mode, Auto Power off with disable, and comes complete with test leads, magnetic hanging strap, Type K bead wire Temperature.

Extech MA445 True RMS 400A AC DC Clamp Meter

Extech MA445 True RMS 400A AC DC Clamp Meter

Extech MA445 True RMS 400A AC/DC Clamp Meter with NCV

Reasons To Buy

True RMS

Easy to Use

Low in Price

Built-in bright flashlight

Relative Mode for Capacitance

Auto Power Off with disable and Low Battery indication

Large backlit LCD display

Reasons To Avoid

Temperature measurement is very inconsistent

Specs labelling is inconsistent

The Extech MA445 True RMS AC clamp Meter provides the versatility of multiple meters in one convenient device. It measures AC current, resistance, capacitance and frequency. The MA445 also features a True RMS function to ensure accurate measurements of non-sinusoidal waveforms without distortion from electronic devices. The large, backlit LCD display allows for easy reading, while the ergonomically designed housing offers comfortable, one-handed operation. Additional features include a non-contact voltage detector, built-in flashlight, Data Hold, DC Zero, and Auto Power Off to conserve battery life.

The Extech MA445 400A AC DC clamp meter is the perfect tool for troubleshooting electrical problems. This meter comes complete with test leads, AAA batteries (3), general-purpose Type K temperature probe, and a pouch. The Extech MA445 is true RMS, which makes it an ideal choice for measuring voltage and current on circuits with nonlinear loads.

The Extech MA445 True RMS 400A AC DC Clamp Meter is perfect for electricians, contractors, and DIYers. With a jaw size of 1.2″ (30 mm), the meter fits conductors up to 500MCM. The 400A current range allows you to measure current in both AC and DC circuits, while the Resistance, Capacitance, Frequency and Temperature modes let you take readings in a variety of applications. And with an accuracy of ±2.0%, you can be sure your measurements are precise.

The MA445 digital clamp meter is everything you need to get the most accurate readings possible. Whether you’re working on a commercial project or in your own home, this meter has everything you need to make safe and reliable measurements. With its True RMS feature, the MA445 is able to compensate for electronic interference, making it ideal for a variety of different settings. Additionally, the built-in flashlight makes it easy to take measurements in poorly lit areas, while the non-contact voltage detector helps reduce the risk of injury.

The Extech MA445 is the perfect tool for taking accurate current measurements on large conductors. With a True RMS feature, this meter can accurately measure waveforms of any shape, making it ideal for use on AC and DC circuits. Additionally, the 1.2″ jaw size fits conductors up to 500MCM, and the Cat III 600V safety rating ensures that you’re safe while taking measurements.

Extech EX530 True RMS Heavy Duty Industrial MultiMeter

Extech EX530 True RMS Heavy Duty Industrial MultiMeter

Extech EX530 True RMS Heavy Duty Industrial MultiMeter

Reasons To Buy

Measures AC/DC voltage and current

True RMS for accurate AC measurements

Built-in Type K thermometer for surface or air temperature measurements

Backlit 40,000-count LCD display

Data hold and relative function capabilities

Auto power off with disable

Duty Cycle function

Reasons To Avoid

Flawed design leads to short lifespan.

Doesn’t Auto range while in Max/Min mode

The Extech EX530 is the perfect multimeter for industrial, MRO, electrical and other professional applications. It features a True RMS measurement capability, making it ideal for accurately measuring voltage and current in noisy or distorted waveforms. Additionally, the EX530 has a capacitance measurement range of 1nF to 1000μF, frequency measurement range of 10Hz to 100kHz (dual sensitivity), diode test and continuity test functions. With its heavy-duty casing and intuitive user interface, the EX530 is perfect for any challenging environment.

Make sure your industrial and commercial devices are up to code with the Extech EX530 True RMS Heavy Duty Industrial MultiMeter. With its advanced True RMS calculation, this meter compensates for AC waveform distortion, ensuring accurate readings every time. Plus, the auto-ranging capabilities make it easy to use on a variety of devices and electrical components.

The Extech EX530 Multimeter is perfect for heavy duty industrial use. It has 11 functions, and it’s True RMS so you can trust the readings. The test leads are double molded for extra durability, and the type K bead wire temperature probe ensures accurate readings every time. Plus, the magnetic hanging strap makes it easy to store or take with you wherever you go, and the carrying case keeps everything safe and organized.

Extech EX530 True RMS Heavy Duty Industrial MultiMeter. Rugged and versatile, the EX530 is designed to withstand harsh industrial environments and usage. The durable, double-molded housing is IP67-rated (waterproof and dustproof) and has been drop-tested to a height of 6 feet. Measurements are accurate to 0.06% with a CAT IV-600V safety rating, providing users with added protection when working with outdoor wiring. Customizable settings include the ability to enable or disable the Auto Power Off feature in order to conserve battery life or have continuous use when required.

The Extech EX530 True RMS Heavy Duty Industrial MultiMeter is a versatile, heavy duty tool that is popular among marine technicians and boat mechanics. It’s waterproof and floats, making it easy to recover if dropped in water. With its built-in infrared thermometer and relative measurement feature, the EX530 is efficient and accurate in measuring component surface temperatures.j

The Extech EX530 is a true RMS industrial multimeter with 11 functions and 0.06% basic accuracy. It measures AC/DC voltage and current, resistance, capacitance, frequency, and temperature. Additionally, it has double molded housing for waterproof protection and 20A max current.


If you’re looking for a multimeter for any project or job, then Extech is the way to go. Whether you need a simple model with basic functions like voltage and resistance testing, or something more advanced that can do everything from capacitance measurements to frequency analysis, there’s an Extech multimeter out there for you. So don’t wait. Get your hands on one of these handy devices today.