Extech

4.3 Fact checked

Buy on Amazon

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When purchasing a product, price is the consumer's primary concern. At present, Extech has 239 products for sale. Extech products range in price from $21.99 to $679, and the average price of all the products is about $153.56.

We found that most of the Extech products are manufactured by Extech Instruments. The manufacturer provides Extech with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Extech products on Amazon.com. The brand holds an average rating of 4.3, testifying to its excellent reputation.

Extech Best Sellers

Last Updated: Jan 8, 2026

Extech CT20 Remote and Local Continuity Tester One Person Operation for Wire and Cable Testing

Multimeters

Buy on Amazon Find on eBay

See precisely where you need to measure with the 160x120-resolution FLIR thermal imager

All-in-one tool, carry just one device and always have access to thermal imaging

18-function DMM including VFD mode, True RMS, LoZ, and NCV

View thermal and electrical thermocouple measurements simultaneously

Kit comes with Lithium rechargeable battery pack and flex clamp probe

Extech EX330 Autoranging Mini Multimeter with NCV and Type K Temperature

Multimeters

Buy on Amazon Find on eBay

Double molded case is waterproof (meets IP67) and drop-proof to 6 feet

Cat IV - 1000V UL listed, 1000V input protection on all ranges

True RMS multimeter measures AC/DC voltage and current, resistance, frequency, duty cycle, capacitance and temperature

6000 count display and basic DC accuracy of 0.09%

Includes magnetic hanging strap, temperature probe and carrying case

Extech MO260 Combination Pin/Pinless Moisture Meter

Moisture Meters

Buy on Amazon Find on eBay

Dual Measurement Modes for Any Job - Switch between traditional pin-style testing for exact spot readings and pinless scanning for fast, non-destructive checks across larger surfaces. Whether you're inspecting drywall, flooring, or framing, the MO260 adapts instantly.

Non-Destructive Deep Scanning - Quickly detect hidden moisture up to 0.75 inches below the surface without leaving holes or marks. Perfect for contractors, home inspectors, and restoration specialists who want answers without damage.

Clear Digital Readouts with Alerts - The bright LCD screen shows moisture percentages at a glance, while audible tones give you instant feedback—so you can focus on the inspection instead of staring at the meter.

Versatile for Wood and Building Materials - Accurately measure moisture in hardwood, softwood, sheetrock, concrete, plaster, and other construction materials. Essential for preventing mold growth, water damage, and costly structural issues.

Portable and Built for the Field - Compact, rugged design fits easily in your tool bag. Auto power-off, low battery indicator, and intuitive controls make it a reliable partner on every job site.

Read more Read less

Extech MO55 Combination Pin Pinless Moisture Meter Accurate Non‑Invasive and Destructive Measurements for Restoration and Building Diagnostics

Moisture Meters

Buy on Amazon Find on eBay

Accurate moisture readings on wood and building materials using pin or pinless non‑invasive measurement to a depth of ~25 mm

Audible tone increases in frequency as moisture levels rise giving immediate feedback

Visual moisture drop icons indicate low medium and high levels of moisture content

Compact easy‑to‑use design with built‑in battery level check measurement verification and display lock function

Includes protective cap two pins and 9 V battery for ready to use convenience

Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature Display

Lab pH Meters

Buy on Amazon Find on eBay

Stem thermometer with adjustable stainless steel probe

4.5-Inch (114mm) stainless steel probe adjusts from 0 to 180-Degrees for storage or measurement

Detents at 45-Degrees , 90-Degrees , 135-Degrees , and 180-Degrees

Fast response; auto Power off after 1 hour

Temperature:-58 to 572-Degrees F (-50 to 300-Degrees C)

Extech MN36 MiniTec Autoranging Digital Mini Multimeter - 600 V AC/DC, 10 A, Temperature, Resistance, Capacitance, Frequency, Continuity/Diode, Protective Holster & Tilt Stand Included

Multimeters

Buy on Amazon Find on eBay

Compact Autoranging Design - Measures AC/DC voltage up to 600 V with automatic range detection for easy use

Wide Functionality Across Ten Modes - Includes AC/DC current, resistance, capacitance, frequency, temperature (Type K), continuity and diode testing

Easy-to-Read & Durable - Large digital display, protective rubber holster with built-in tilt stand for hands‑free use

High Precision & Resolution - Voltage, current, and resistance ranges deliver fine resolution and reliable accuracy across applications

Field-Ready with Accessories Included - Comes with test leads, bead‑wire Type K temperature probe, two AAA batteries, and protective holster, ready for immediate use

Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip

Humidifier Humidity Meters

Buy on Amazon Find on eBay

Simultaneous display of temperature (°C/°F) and relative humidity

Maximum/minimum and data hold

Built-in self calibration utility allows for field calibrations using optional relative humidity calibration bottles

Data hold for freezing the LCD display status

Temperature range from 14° to 122°F (-10° to 50°C)

Extech MO290 Pinless Moisture Psychrometer with IR Thermometer

Moisture Meters

Buy on Amazon Find on eBay

Programmable high/low moisture and humidity alarms

Automatic calculation of differential temperature to determine condensation point

Non-contact infrared thermometer with 8:1 distance to spot ratio and 0.95 fixed emissivity

Easy to read, large dual display with a back light feature

Pinless measurement depth to 0.75 inch below the surface, Remote pin-type probe for contact moisture readings 3 feet cable length

Extech MO50 - Compact Pin Moisture Meter - Measures Moisture in Wood & Building Materials

Moisture Meters

Buy on Amazon Find on eBay

Dual Measurement Modes: Accurately measures moisture content in wood (5-50%) and other building materials (1.5-33%).

High Resolution: Offers a maximum resolution of 0.10% for precise readings.

Moisture Level Indicators: Features icons displaying low, medium, and high moisture levels for easy interpretation.

Audible Alert: Tone rate beeps faster as moisture levels increase, providing an audible indication of moisture presence.

User-Friendly Design: Compact and easy-to-use with a data hold function to freeze readings on the display.

Extech TG20 Wire Tracer Kit - RF Signal Wire Tracer with Non‑Contact Probe, Continuity Tester & RJ11 Transmitter – Includes Probe, Transmitter, Alligator Clips & 9 V Batteries

Circuit Tracers & Analyzers

Buy on Amazon Find on eBay

Identify wire pairs, check continuity & test telephone line polarity

Transmitter with output cables terminated in modular RJ11 phone connector

Adjustable sensitivity control improves wire identification and eliminates false detection

Easily trace wires from source to termination

Extech PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display

Lab pH Meters

Buy on Amazon Find on eBay

Reliable pH Testing Anytime, Anywhere - Whether you're checking pool water, testing aquariums, or ensuring lab accuracy, this waterproof digital pH meter delivers quick, trustworthy results on the spot.

Wide 0-14 pH Measurement Range - Covers the full scale of acidity and alkalinity, making it a versatile tester for everything from drinking water and hydroponics to food processing and environmental studies.

Simple One-Touch Calibration - Automatic calibration ensures you get consistently accurate readings without the hassle of manual adjustments, saving you time and reducing human error.

Durable & Waterproof Design - Built to withstand splashes and wet conditions, this pocket-sized tester is perfect for fieldwork, outdoor testing, and everyday water quality checks without worry.

Replaceable Electrode & Clear LCD Display - Extend the life of your device with replaceable probes while enjoying easy-to-read digital results on a bright display, even in low-light environments.

Read more Read less

Extech RH300 Digital Psychrometer, Humidity (RH), Air Temperature, Dew Point & Wet Bulb Meter

Humidifier Humidity Meters

Buy on Amazon Find on eBay

Extech RH300 humidity meter with dew point

Simultaneous display of %RH, temperature and dew point or wet bulb or probe temperature

Wet bulb measurements without slinging

Calculates T1-T2 differential (air temperature minus external probe temperature) using optional probe (TP890) and T-2 dew point

Unique sensor cap design twists to closed position for protection during storage

Extech CB10 AC Circuit Breaker Finder and Receptacle Tester - Professional Grade GFCI Outlet Tester for Home & Industrial Use - Pinpoint Breakers and Fuses - Includes 9V Battery and LED Indicators

Circuit Testers

Buy on Amazon Find on eBay

Breaker Hunting Made Easy: Stop playing the guessing game at your electrical panel. The CB10 lets you pinpoint the exact breaker for any 110V to 125V outlet without turning off the whole house or shouting across the room to a partner.

Dual Function Professional Tool: Why carry two devices when one does it all? This handheld pro kit combines a precision breaker locator with a high-accuracy receptacle tester, making it a must-have for home renovations and electrical repairs.

Master Your Sensitivity: Unlike basic automatic models, our adjustable sensitivity dial gives you total control. Fine-tune the receiver to filter out ghost signals and identify the correct fuse even in crowded, complex electrical panels.

Instant Wiring Diagnostics: The GFCI transmitter doubles as an outlet tester with clear LED indicators. It instantly identifies five common wiring faults like open grounds or reversed polarity, ensuring your home is safe and up to code.

Rugged and Smart Design: Built for the job site, the receiver and transmitter snap together for compact storage in your toolbox. With audible beeps and bright visual alerts, you will never miss a signal even in loud or dimly lit basements.

Read more Read less

Extech TL809 Electronic Test Lead Kit

Test Probes & Leads

Buy on Amazon Find on eBay

Two alligator clips with removable insulators

Two plunger mini hooks

Two modular 4 inch heavy duty test probe handles with 0.16 inch banana plug tip

Two 42 inch PVC lead extensions

Shrouded banana plugs at both ends

Extech 407730 Digital Sound Level Meter 40-130dB

Decibel Meters

Buy on Amazon Find on eBay

Measures 40 to 130dB on digital display

2dB accuracy with 0.1dB resolution

Fast responding analog bar graph

Records Max/Min values over time

Auto power off and Max Hold function

Extech 382252 Earth Ground Resistance Tester Kit

Ground Resistance Meters

Buy on Amazon Find on eBay

Selectable units of in/s or mm/s for velocity, ft/s or m/s for acceleration, and in or mm for displacement

Remote vibration sensor on 39 inch (2 meter) cable

5% basic accuracy

10Hz to 1kHz frequency range

Store/recall up to 500 readings

Extech PRT200 Non-Contact Phase Sequence Tester

Circuit Testers

Buy on Amazon Find on eBay

75 to 1000VAC input voltage

45 to 65Hz frequency range

LEDs indicate phase orientation (clockwise or counter-clockwise) and whether each phase is live

Fully insulated alligator clips with wide jaws

Durable housing with back cover magnet for attachment to an AC distribution panel for easy measurement

Extech CT70 AC Circuit Load Tester

Circuit Testers

Buy on Amazon Find on eBay

AC Load Tester, Selectable loads of 12, 15 and 20 Amps

Displays Peak Line Voltage and Frequency, Outlet Tester functions, Neutral to Ground Voltage

Measures loaded and unloaded AC Line Voltage

Hot, Neutral and Ground Impedance.

GFCI Trip Time, GFCI Trip Current, Open or Reversed wiring.Complete with AC test cord

Extech MD10 - Non‑Contact Magnet Detector & Flashlight – Detects AC, DC & Permanent Magnetic Fields with Blue LED Indicator – Pocket‑Sized, Uses 2 AAA Batteries

Flashlights Handheld Flashlights

Buy on Amazon Find on eBay

Non-Contact Magnetic Detection - Instantly identifies magnetic fields—including AC, DC, and permanent magnets—without having to make any physical contact.

Intuitive Blue LED Indicator - The built-in blue LED precisely illuminates when magnetic fields are detected, ensuring quick and clear status feedback.

Versatile Applications - Ideal for troubleshooting audio speakers, solenoid valves (pneumatic or hydraulic), relay coils, and other electromagnetically active machinery and components.

Compact, Lightweight Design - Measures just 6.25 × 0.8 × 1″ (159 × 21 × 25 mm) and weighs a mere 1.7 oz (48 g), making it ultra-portable and perfect for tool belts or pockets.

Ready to Use Out of the Box - Powered by two included AAA batteries and backed by a 2‑year warranty, ensuring dependable performance from day one.

Read more Read less

Extech FAQs

Is Extech Legit?

Yes, Extech is a legitmate brand on Amazon. After conducting a comprehensive analysis of 10,161 customer reviews for Extech products on Amazon, we have determined its average rating. Offering great value and satisfying quality, Extech has achieved a respectable rating of 4.3 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from Extech on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

How to find more Extech products?

If you're interested in Extech and want to find more Extech products, you can follow the steps below:

Go back to FindThisBest's homepage.
Type Extech in the search box and hit Enter to see the search results.
Find and click the correct Extech to go to the new page.
Select the products you want in the Extech buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more Extech products.

How does findthisbest choose the top Extech products?

We analyze millions of Extech products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase Extech products via FindThisBest?

Go to the Extech page.
Select the product you want in the Extech buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Extech CT20 Remote and Local Continuity Tester One..., you can view it on Amazon page.
Place your order on Amazon.

Who are the manufacturers of the Extech products?

Most of the Extech products are produced by Extech Instruments. The manufacturer provides Extech with a steady supply of products, and they have a good cooperative relationship with each other.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the Extech products, helping you make more informed buying decisions. We recommend best choices of the products from the Extech brand, helping you make better shopping choices with less time and energy.

Similar Brands

Extech

Extech Best Sellers

Extech CT20 Remote and Local Continuity Tester One Person Operation for Wire and Cable Testing

Extech EX330 Autoranging Mini Multimeter with NCV and Type K Temperature

Extech MO260 Combination Pin/Pinless Moisture Meter

Extech MO55 Combination Pin Pinless Moisture Meter Accurate Non‑Invasive and Destructive Measurements for Restoration and Building Diagnostics

Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature Display

Extech MN36 MiniTec Autoranging Digital Mini Multimeter - 600 V AC/DC, 10 A, Temperature, Resistance, Capacitance, Frequency, Continuity/Diode, Protective Holster & Tilt Stand Included

Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip

Extech MO290 Pinless Moisture Psychrometer with IR Thermometer

Extech MO50 - Compact Pin Moisture Meter - Measures Moisture in Wood & Building Materials

Extech TG20 Wire Tracer Kit - RF Signal Wire Tracer with Non‑Contact Probe, Continuity Tester & RJ11 Transmitter – Includes Probe, Transmitter, Alligator Clips & 9 V Batteries

Extech PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display

Extech RH300 Digital Psychrometer, Humidity (RH), Air Temperature, Dew Point & Wet Bulb Meter

Extech CB10 AC Circuit Breaker Finder and Receptacle Tester - Professional Grade GFCI Outlet Tester for Home & Industrial Use - Pinpoint Breakers and Fuses - Includes 9V Battery and LED Indicators

Extech TL809 Electronic Test Lead Kit

Extech 407730 Digital Sound Level Meter 40-130dB

Extech 382252 Earth Ground Resistance Tester Kit

Extech PRT200 Non-Contact Phase Sequence Tester

Extech CT70 AC Circuit Load Tester

Extech MD10 - Non‑Contact Magnet Detector & Flashlight – Detects AC, DC & Permanent Magnetic Fields with Blue LED Indicator – Pocket‑Sized, Uses 2 AAA Batteries

Extech FAQs

Similar Brands

Extech MO55 Combination Pin Pinless Moisture Meter Accurate Non‑Invasive and Destructive Measurements for Restoration and Building Diagnostics

Extech MN36 MiniTec Autoranging Digital Mini Multimeter - 600 V AC/DC, 10 A, Temperature, Resistance, Capacitance, Frequency, Continuity/Diode, Protective Holster & Tilt Stand Included

Extech TG20 Wire Tracer Kit - RF Signal Wire Tracer with Non‑Contact Probe, Continuity Tester & RJ11 Transmitter – Includes Probe, Transmitter, Alligator Clips & 9 V Batteries

Extech MD10 - Non‑Contact Magnet Detector & Flashlight – Detects AC, DC & Permanent Magnetic Fields with Blue LED Indicator – Pocket‑Sized, Uses 2 AAA Batteries