| 规格和标准 |
Scale range: 1 to 20 ppm Number of suctions: 4 times (400ml), 2 times (standard) (200ml), 1 time (standard) (100ml) Measurement time: 6 minutes, 3 minutes, 1.5 minutes Comment: 1/4, 1, 3.5 Discoloration: Yellow → Purple Temperature and humidity correction: Temperature Expiration date: 多2年(存储在冰箱中) 适用的气体:PVC 到期期(年):2(存储在冰箱中) 宽度(mm):147 深度(mm):54 高度(MM):19 测量范围(7000000000000000000意士:000000000000000000000000意士:00000000000000000000000000意后数:0000000000000000000000000意士:0000000000000000000000000090000090岁。
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