Product Name: Glass Graduated Rubber Tip Dropper
Material: Lead-Free Glass
Color: Clear
Improved graduated pipettes are commonly used glass measuring instruments in laboratories, typically made of soda-lime glass. A complete pipette should be marked with graduations, nominal capacity, type designation, reference temperature (20°C), accuracy class, and trademark or manufacturer name. Eleven different specifications are available. The graduations and numerical values should be clear, complete, and durable, and specific requirements should comply with current national standards. There are two types of pipettes: the “Ex” type measures the volume of liquid discharged from a measuring vessel and is symbolized by “Ex.” The “In” type measures the volume of liquid injected into a measuring vessel (with a dry interior) and is symbolized by “In.” Accuracy levels are: Class A and Class B, with Class B offering a capacity tolerance double that of Class A.
Product Specifications:
| Capacity (ml) | Length (mm) | Tube OD (mm) | Dropper Nozzle OD Accuracy (mm) | Accuracy (ml) |
| 1ml | 195 | 7 | 2 | 0.02 |
| 2ml | 190 | 8 | 2 | 0.04 |
| 3ml | 200 | 8 | 2 | 0.05 |
| 5ml | 200 | 10 | 2 | 0.1 |
| 10ml | 195 | 13 | 2 | 0.2 |
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