Accurately measure Erythrocyte Sedimentation Rate (ESR) and Packed Cell Volume (PCV) with our Premium Glass Wintrobe Tube. Crafted from high-quality, chemical-resistant borosilicate glass, this tube is an indispensable tool for clinical hematology laboratories and diagnostic centers.
Unlike the Westergren method, the Wintrobe tube allows for the simultaneous estimation of ESR and PCV (Hematocrit) using a single sample. Its dual-scale graduation is specifically designed for ease of use: the 0–100mm scale (top-to-bottom) is used for ESR, while the 0–100mm scale (bottom-to-top) measures PCV.
Key Features:
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Dual Graduation: Clear, permanent markings in white or red for high visibility.
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High-Grade Material: Manufactured from Borosilicate 3.3 glass for superior thermal and chemical resistance.
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Precision Engineering: Features a uniform 3mm internal bore to ensure consistent sedimentation results.
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Multi-Purpose: Ideal for ESR, PCV determination, and preparation of buffy coat smears for specialized blood studies.
Technical Specifications:
| Specification | Details |
| Material | Borosilicate Glass |
| Length | 110 mm |
| Internal Diameter | 3.0 mm |
| Graduation Range | 0 to 100 mm (Dual Scale) |
| Capacity | Approx. 1 mL |
| Bottom Type | Round Bottom |


















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