【D08】Small Angle Calibration System Calibrated Device Electronic Level Range (1) -6' to +6' (Resolution: 0.2") (2) -1° to +1° (Resolution: 1") (3) -1° to +1° (Resolution: 2") Uncertainty (1) 0.5" (2) 1.3" (3) 2.0" Tags: 長度標準