Extech EMF510 EMF/ELF Meter, Green

Amazon

Measure EMF/ELF levels in milli Gauss (mg) or micro Tesla (μT) up to 2000mG (200μT) with two ranges to choose from Built-in single axis sensor provides basic Accuracy reading of 5% 30 to 300Hz bandwidth Backlit display to view in dimly lit areas Data hold and min/max functions, Weight: 0.35 pounds, Manufacturer: Extech

Test-meter.co.uk

Extech EMF510 EMF/ELF Metre. Single-axis electromagnetic field detector, 0-2000mG range, 0.1mG resolution, 30-300Hz bandwidth. Backlit display with data hold, min/max. Includes batteries, mountable. Accuracy ±(5% + 3 digits).