Will this detect a clippard miniature valve coil? or just large ones? i have no idea what magnetic field detection range: 63h, 98h, 401h, 810h is.

It should pick up clippards. However, the light that indicates a field is not very bright. I use it to check on the valves for my irrigation system. They are 24AC and not very powerful.

Can this tool be used for magnetic field detection on watches?

I'm not exactally sure what you are asking. It will detect a magnetic field that might interfere with some watches. If that is not what you are asking please be more specific.

Will this detect a neodymium magnetic field?

Of course, this tester will detect. It starts sensing not so strong magnet like neodymium one in the distance of ~15 cm.

Can it detect GPS cases that use magnets under cars

Thank you so much for your interest in our products. The MD10 will detect magnetic fields if they are located in the available ranges of the unit (63, 98, 401, 810 Henry units). Also, it will have to be found in a short span of the source.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Instruments MD10 Non-Contact Magnet Detector with Flash Light

Product ID: 50984842

Details

Brand
Extech
Colour
Blue
Item weight
20 Grams
Power source
Battery
Style
Utilitarian

🔋Low battery indicator

🔦Built-in flashlight for dark spots

🧲Non-contact magnetic detection

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21.21 OMR

Duties & taxes included

In stock

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Description

🧲 Illuminate your diagnostics with precision and ease!

STAY POWERED LONGER - Low battery indicator ensures you’re never caught off guard
VERSATILE APPLICATION RANGE - Perfect for troubleshooting speakers, relays, solenoids & more
COMPACT LIGHTWEIGHT DESIGN - Weighs just 20g and fits comfortably in your toolkit
VISUAL CONFIRMATION WITH BLUE LED - Instant magnetic field feedback via bright blue LED indicator
EFFORTLESS MAGNETIC FIELD DETECTION - Detect AC, DC & permanent magnets without physical contact

The Extech MD10 is a sleek, battery-powered non-contact magnet detector featuring a bright blue LED for clear magnetic field indication. It detects AC, DC, and permanent magnets up to 810HL, making it ideal for professionals troubleshooting audio speakers, relays, and solenoid valves. Lightweight and compact, it includes a built-in flashlight and low battery indicator, ensuring reliable performance in any work environment.

Specifications

ASIN	B00M9AX6AK
Best Sellers Rank	58,731 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 30 in Light Measurement
Brand	Extech
Colour	Blue
Compatible Devices	All devices that can detect magnetic fields
Customer Reviews	4.4 4.4 out of 5 stars (462)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00793950330104
Item Dimensions	20 x 25 x 159 millimetres
Item Type Name	Non-contact Magnet Detector with Built-in Flashlight
Item Weight	20 Grams
Manufacturer	Extech
Manufacturer Part Number	MD10
Measurement Type	Magnetometer
Model Number	MD10
Power Source	Battery Powered
Specification Met	CE
Style Name	Utilitarian
UPC	793950330104
Unit Count	1.0 count

Reviews

C**P

Works well...

Very helpful to check solenoid coils active.

10.12.2025

M**S

Simple and effective

A must have when trouble shooting in the oil field, a simple and effective tool that’s easily carried.

20.01.2021

P**C

Extech MD10

Very handy for maintenance technician, fast and efficient at identifying if solenoid is energised

14.05.2019

D**S

Not for use in gas plants or dangerous work areas

Does what it says on the tin. What it didn't say was you can't use it in dangerous environments where gases may be present.

21.07.2021

M**L

Item as described

Works very well

8.10.2019

C**N

fits in pocket, easy to use. works very well and seems to be decently built. I've been using one in an industrial setting for over a year and the only thing I've had to worry about was my colleagues stealing it for themselves! worth the purchase price.

19.03.2021

V**T

Fonctionne parfaitement

8.03.2020

S**L

Good but expensive

14.02.2021

A**E

Passt

11.06.2022

F**D

Felsökning i min bil generator och relä

21.10.2023

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