New conveyor ground test with five steps which informs you whether items to be painted are sufficiently grounded. Especially designed for electrostatic coating applications. A poor ground of the pieces to be coated may result in a poor quality of the electrostatic coating work. Coating thickness may not be sufficient or the pieces may not be even covered. Consult your paint manufacturer or the supplier of your spray equipment for correct values.The LD5900 is a low cost, easy to use ground check that is battery operated.