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Extech MN47 Compact 12 Function MultiMeter and NCV

3.8 3.8 out of 5 stars 61 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
Brand Extech
Power Source Battery Powered
Style MN47 Compact Multimeter
Item Weight 0.26 Kilograms
Item dimensions L x W x H 2.75 x 1.8 x 5.9 inches

About this item

  • Averaging, autoranging DMM with 4,000 count large LCD display and temperature function
  • Built-in non-contact voltage detector (from 100 to 600VAC)
  • AC/DC voltage, AC/DC current, resistance, capacitance, frequency, Type-K temperature, Duty Cycle, continuity/diode
  • Autoranging with manual override
  • 4000 count high-contrast LCD display
› See more product details

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Extech MN47 Compact 12 Function MultiMeter and NCV

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Product Description

Complete with test leads, bead wire Type K probe, 9V battery and carrying case

Top Brand: Extech

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Customer reviews

3.8 out of 5 stars
61 global ratings

Customers say

Customers like the value for money, meter quality, ease of use, and functionality of the electric circuit testing device. They mention it's simple to use, works well in sunlight or darker rooms, and has a small size.

AI-generated from the text of customer reviews

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Value for moneyMeter qualityEase of useFunctionalitySize
5 customers mention "Value for money"5 positive0 negative

Customers appreciate the value of the electric circuit testing device. They mention it's excellent.

"...measurements and these are provided for the MN47, besides a very good price by Amazon." Read more

"...than those minor problems, the meter works great and is an excellent value for this price...." Read more

"...and lower priced instruments, I decided this one has the best bang for the buck (it did not disappoint). It's simple to use and very accurate...." Read more

"Solid backup meter for home, great price..." Read more

4 customers mention "Meter quality"4 positive0 negative

Customers are satisfied with the quality of the meter. They mention it's an excellent multimeter and great for basic electronics.

"Used this for some basic electronics, nice little meter. Good size, works well in sunlight or darker rooms...." Read more

"Pretty nice meter and I bought it with the lead pack to complete the purchase...." Read more

"Great Multimeter, Use it whenever i have an electrical project" Read more

"Excellent meter." Read more

3 customers mention "Ease of use"3 positive0 negative

Customers find the electric circuit testing device easy to use. They mention it's simple, accurate, and auto-ranging.

"...It's simple to use and very accurate. Plus it's auto-ranging! It would be very hard to find another meter in this price range that can top it...." Read more

"This dude is cool, great to carry in my laptop bag, and easy to use." Read more

"Tiny, basic, does the job..." Read more

3 customers mention "Functionality"3 positive0 negative

Customers like the functionality of the electric circuit testing device. They say it works great and is a good size.

"...Good size, works well in sunlight or darker rooms...." Read more

"Works great, but shipped with dead battery...." Read more

"Works Great..." Read more

3 customers mention "Size"3 positive0 negative

Customers are satisfied with the size of the product. They mention it's small and has a small form-factor.

"...Its non-contact voltage detector, small size, superb quality, 0.5% basic accuracy and the snap on AC high current tester, conforms an excellent..." Read more

"Used this for some basic electronics, nice little meter. Good size, works well in sunlight or darker rooms...." Read more

"I like the small form-factor, nothing else is particularly amazing, but worth buying if (small) size does matter to you." Read more

Not the level of quality I expect from Extech
2 out of 5 stars
Not the level of quality I expect from Extech
I like Extech so it pains me to give such a low rating to one of their multimeters. The MN10 is simply not up to the design or build standard that I expect from Extech. Indeed, this appears to be the same multimeter sold under the Craftsman brand (model #17387) which, at the time of writing this review, was being unloaded at SearsOutlet.This is a compact little unit that, from the outside, appears to be a smaller sibling to Extech’s standard line. Open it up, however, and you’ll find that you get what you pay for. Take a look at the photos I’ve uploaded and you’ll see soldering quality that looks about as bad as my own work. It really is just another cheap meter with uneven hand soldering.Even if you’ve contented yourself with the build quality, there isn’t much appealing about the design other than its size. It is manual ranging, an unnecessary pain when autoranging meters have become very inexpensive. Safety-wise, there isn’t a whole lot of overload protection, especially odd given that this is being marketed as useful for working on household line voltage. If you think the Cat II 300v rating is good enough for you, take another look at the photos I posted and note the little glass fuse. Spend the extra money for a unit that has Cat III 600v protection (especially if you are a DIY electrician). Extech has nice, inexpensive models. Finally, the unit requires a small 12v battery; would it have killed them to design the unit for any of the standard batteries that we all have lying around the house?As to the non-contact voltage detector, mine worked fine. However, if you’re working on your household wiring, get yourself one of the inexpensive, dedicated probes. They are dependable, compact enough to fit in a pocket (terribly useful when you’re up a ladder), they have both sound and light, and you can probe further into a box or bundle of wires than you can with the MN10.
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Top reviews from the United States

gcb
5.0 out of 5 stars Extech MN47 MultiMeter review
Reviewed in the United States on February 17, 2012
Verified Purchase
My experience as Electrical Engineer with this metering equipment has had only goods. Its non-contact voltage detector, small size, superb quality, 0.5% basic accuracy and the snap on AC high current tester, conforms an excellent Multitester non surpassed for others in its class and price.
I have been using this device for months without complain. When you are in the electrical way you depends on safety and secure measurements and these are provided for the MN47, besides a very good price by Amazon.
8 people found this helpful
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Matthew J. Bieneman
4.0 out of 5 stars Works great, but shipped with dead battery.
Reviewed in the United States on May 28, 2014
Verified Purchase
This meter was shipped with at dead battery; fortunately the dead battery was high-quality and showed no sign of leakage. The battery compartment is difficult to open; after removing the screws you have to pry off the cover a little at a time from both ends. I bought it as a gift, so it is good that it comes with resealable packaging so that I could test it and replace the battery. Other than those minor problems, the meter works great and is an excellent value for this price. I gave it four stars instead of five, because shipping items with dead batteries could cause major problems with battery leakage. The seller should rotate his stock; he could also replace the batteries in older stock (since the package is easily resealable) in order to avoid potential problems with leaky batteries.
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Richard Groot
5.0 out of 5 stars Excellent meter for basic electronics
Reviewed in the United States on July 25, 2013
Verified Purchase
Used this for some basic electronics, nice little meter. Good size, works well in sunlight or darker rooms. Also got little clippy things that go on the probes so you can hook wires to the probes without trying to hold them on the probes yourself.
2 people found this helpful
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Nate
1.0 out of 5 stars Non-contact voltage was a joke
Reviewed in the United States on November 20, 2013
Verified Purchase
One of the main reasons that I purchased this one over others was for the non-contact voltage detection, but it flat out didn't work. It honestly worked more like a metal detector. I could flip a breaker for a certain set of outlets and confirmed that they were off with a plug, but this meter would consistently flash the "live" light when held close. But, even then it would not give confident readings; you have to move the meter allllll around the outlet while watching closely for this little light to flicker for just a split second. I returned it for a refund.
8 people found this helpful
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R. Ferguson
2.0 out of 5 stars Not the level of quality I expect from Extech
Reviewed in the United States on April 23, 2015
Vine Customer Review of Free Product( What's this? )
I like Extech so it pains me to give such a low rating to one of their multimeters. The MN10 is simply not up to the design or build standard that I expect from Extech. Indeed, this appears to be the same multimeter sold under the Craftsman brand (model #17387) which, at the time of writing this review, was being unloaded at SearsOutlet.

This is a compact little unit that, from the outside, appears to be a smaller sibling to Extech’s standard line. Open it up, however, and you’ll find that you get what you pay for. Take a look at the photos I’ve uploaded and you’ll see soldering quality that looks about as bad as my own work. It really is just another cheap meter with uneven hand soldering.

Even if you’ve contented yourself with the build quality, there isn’t much appealing about the design other than its size. It is manual ranging, an unnecessary pain when autoranging meters have become very inexpensive. Safety-wise, there isn’t a whole lot of overload protection, especially odd given that this is being marketed as useful for working on household line voltage. If you think the Cat II 300v rating is good enough for you, take another look at the photos I posted and note the little glass fuse. Spend the extra money for a unit that has Cat III 600v protection (especially if you are a DIY electrician). Extech has nice, inexpensive models. Finally, the unit requires a small 12v battery; would it have killed them to design the unit for any of the standard batteries that we all have lying around the house?

As to the non-contact voltage detector, mine worked fine. However, if you’re working on your household wiring, get yourself one of the inexpensive, dedicated probes. They are dependable, compact enough to fit in a pocket (terribly useful when you’re up a ladder), they have both sound and light, and you can probe further into a box or bundle of wires than you can with the MN10.
Customer image
R. Ferguson
2.0 out of 5 stars Not the level of quality I expect from Extech
Reviewed in the United States on April 23, 2015
I like Extech so it pains me to give such a low rating to one of their multimeters. The MN10 is simply not up to the design or build standard that I expect from Extech. Indeed, this appears to be the same multimeter sold under the Craftsman brand (model #17387) which, at the time of writing this review, was being unloaded at SearsOutlet.

This is a compact little unit that, from the outside, appears to be a smaller sibling to Extech’s standard line. Open it up, however, and you’ll find that you get what you pay for. Take a look at the photos I’ve uploaded and you’ll see soldering quality that looks about as bad as my own work. It really is just another cheap meter with uneven hand soldering.

Even if you’ve contented yourself with the build quality, there isn’t much appealing about the design other than its size. It is manual ranging, an unnecessary pain when autoranging meters have become very inexpensive. Safety-wise, there isn’t a whole lot of overload protection, especially odd given that this is being marketed as useful for working on household line voltage. If you think the Cat II 300v rating is good enough for you, take another look at the photos I posted and note the little glass fuse. Spend the extra money for a unit that has Cat III 600v protection (especially if you are a DIY electrician). Extech has nice, inexpensive models. Finally, the unit requires a small 12v battery; would it have killed them to design the unit for any of the standard batteries that we all have lying around the house?

As to the non-contact voltage detector, mine worked fine. However, if you’re working on your household wiring, get yourself one of the inexpensive, dedicated probes. They are dependable, compact enough to fit in a pocket (terribly useful when you’re up a ladder), they have both sound and light, and you can probe further into a box or bundle of wires than you can with the MN10.
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3 people found this helpful
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Jimson
3.0 out of 5 stars Needs sound but still a good tester
Reviewed in the United States on August 3, 2016
Verified Purchase
Needs to have audible signal for continuity test; otherwise worth the money
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Daniel Szalay
5.0 out of 5 stars Excellent Value
Reviewed in the United States on January 8, 2014
Verified Purchase
After comparing several higher and lower priced instruments, I decided this one has the best bang for the buck (it did not disappoint). It's simple to use and very accurate. Plus it's auto-ranging! It would be very hard to find another meter in this price range that can top it. I'm completely satisfied.
4 people found this helpful
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William A. Castillo C.
4.0 out of 5 stars Buen suplidor
Reviewed in the United States on February 28, 2022
Verified Purchase
Muy buen equipo. Me ha durado años desde que lo compre. Escribo ahora pues ha superado la prueba del tiempo. Buen suplidor entregado a tiempo.
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Top reviews from other countries

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Wizz A. Paul
5.0 out of 5 stars Excelente para llevar en mochila o como multimetro para la casa
Reviewed in Mexico on March 4, 2021
Verified Purchase
Excelente multimetro semi profesional o de uso casero. Por su tamaño es ideal para técnicos de servicio y programadores que necesiten cargar esta herramienta en la mochila de su laptop, en su respectivo compartimiento. Trae un útil detector de voltaje que se ilumina al acercarlo al polo que lleva el voltaje. Es de rango manual y mide voltajes de hasta 500 V, CA o CD, miliamperes, ohms y continuidad en diodos. Tiene buena precisión en sus 3 dígitos y medio, el display no trae luz de fondo, para encender o apagar hay que presionar el botón de power. Las puntas tienen protección para evitar que piquen algo al guardarlo.

Como opinión personal puedo decir que me gustó mucho el tamaño, su precio y la utilidad.
Customer image
Wizz A. Paul
5.0 out of 5 stars Excelente para llevar en mochila o como multimetro para la casa
Reviewed in Mexico on March 4, 2021
Excelente multimetro semi profesional o de uso casero. Por su tamaño es ideal para técnicos de servicio y programadores que necesiten cargar esta herramienta en la mochila de su laptop, en su respectivo compartimiento. Trae un útil detector de voltaje que se ilumina al acercarlo al polo que lleva el voltaje. Es de rango manual y mide voltajes de hasta 500 V, CA o CD, miliamperes, ohms y continuidad en diodos. Tiene buena precisión en sus 3 dígitos y medio, el display no trae luz de fondo, para encender o apagar hay que presionar el botón de power. Las puntas tienen protección para evitar que piquen algo al guardarlo.

Como opinión personal puedo decir que me gustó mucho el tamaño, su precio y la utilidad.
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Alberto Venzor Mendoza
5.0 out of 5 stars Ok
Reviewed in Mexico on July 14, 2023
Verified Purchase
Buen producto
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juan manuel legaspi ramirez
5.0 out of 5 stars Excelente producto
Reviewed in Mexico on January 21, 2023
Verified Purchase
Muy práctico para usar
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