Safe and Sound EM2 Meter · to buy

What it is: Your own Safe and Sound EM2 magnetic field meter, to keep.

What it measures: Magnetic fields from power lines, meter boxes, wiring, appliances and EV charging. It measures in all three directions at once (3D), in nanotesla (nT), from 50 Hz to over 75 kHz.

In the box: The meter, a carry case, user's guide, measuring instructions and a certificate of calibration. Rechargeable via USB-C, with up to 24 hours per charge. 2-year manufacturer's warranty.

Who it's for: Anyone who wants to keep checking beds, appliances or a new EV charger. Hired one and want to keep it? Your hire fee comes off the price if you buy within 14 days.

Delivery: Please allow 1 to 2 weeks.