0 – 50 Microamperes DC Panaview Analog Panel Meter, 2.5 InchProduct Details:Panaview Analog Panel MeterRange: 50 Microamperes DC with 1 Microamperes DivisionsMeter Input: Screw TerminalsLinear ScaleScale Arc: 100 DegreePanel Meter Mounts in ~ 2.17″ Diameter Round Hole.Dimensions: ~ 2.5″ Horizontal x 2.5″ Vertical x Overall Depth: 2.1″Mounting Studs are 1.88″ Center to CenterBocatechBT2DCP2