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Your cart is empty.The Extech EMF510 measures energy from electromagnetic fields (EMF) and electrical signals and is sensitive to extremely low frequency levels (ELF). The built-in single-axis sensor is ideal for monitoring power lines, electrical appliances, fans and blowers, and electrical circuits in two ranges with milli-Gauss and micro-Tesla units. The EMF510 features a large backlit LCD for viewing in dimly lit areas, an ergonomic compact design with wrist strap, auto power off, and Min/Max function.
KB1214
Reviewed in the United States on March 25, 2025
I tried two completely different units and both were defective right out of the box. I even reached out to the manufacturer’s support team to make sure I wasn’t missing anything, but nothing helped. It’s disappointing to go through two separate devices and still end up with the same issue. Definitely not what I expected.
Fred Chong
Reviewed in Singapore on July 1, 2022
Fast delivery and items well received.
GZN
Reviewed in the United States on May 15, 2019
Excellent and accurate compared to a unit 10x the price.
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