Profile: Slope Meter, Inc. specializes in slope meters. We offer mechanical slope meters and electronic slope meters. The No. 2 NS slope meter is used to determine percent of grade and is calibrated to read from 0.00 to 0.12. It aids the operator and speeds work on motor graders, asphalt pavers, wheel ditches and tunneling machines. The steep slope meter is used to determine percent of grade and is calibrated to read from 0-50%. It is used in applications where a steeper slope reading is required.