Extech Instruments CG104 Coating Thickness Tester

Amazon

Magnetic induction for ferrous substrates Eddy current measurement for non-ferrous substrates Audible high/low limit alarms Substrate Zeroing and two-point calibration function Record/Recall Min/Max/Average readings, Weight: 0.17625 pounds, Manufacturer: Extech

Test-meter.co.uk

Pocket-sized coating thickness tester for ferrous/non-ferrous surfaces. Magnetic induction & eddy current measurement. Stores 255 readings. Reversible display, backlit screen, high/low alarms. Includes calibration standards and soft case.