... outputs the measurement results on LCD. * Multiple parameter measurement: Ra, Rz, Rq, Rt* Highly sophisticated inductance sensor* Four wave filtering methods ... .SPECIFICATIONSDisplay 4 digits, 10 mm LCD, with blue backlightParameters: Ra, Rz, Rq, RtMeasuring Range Ra, Rq: 0.005-16.00um/0 ... .020-629.9uinch Rz,Rt: 0.020-160.0um/0.078-6299uinchAccuracy: Not more ...