High accuracy, high resolution current sensors

Provides accurate measurement of ferrous metal targets with a resolution of up to .4 microns for the GPA-5S version.

10 models to choose from with measurement ranges of 0 to 1mm to 0-5mm

The GP-A Series was discontinued in 2018.  The recommended replacement is the GP-X Series


The GP-A Series is now obsolete. Shop the replacement GP-X Series instead: