| 型號(hào) | YD-300A | YD-350A | YD-400A | YD-500A |
| 標(biāo)距范圍LO | 5~300mm | 10~350mm | 10~400mm | 10~500mm |
| 等分點(diǎn)間距 | 5或10mm | 10mm | 10mm | |
| 適用試樣規(guī)格 | 1~400mm | |||
| 標(biāo)距精度 | ≤±0.5%(LO) | |||











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