Calibrated Device | Standard glass scale, Standard scale, Microscope standards |
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Range | (1) Standard glass scale, Standard scale, Microscope standards: 0.01 mm to 200 mm (2) Standard glass scale, Standard scale: 0.01 mm to 500 mm (3) Standard glass scale, Standard scale, Microscope standards: 0.01 mm to 1000 mm |
Uncertainty | [29.62 + (0.132L)2]1/2 nm L: line spacing in mm |