Key Specifications: 

• Stopcock Type: Rotaflow screw-thread stopcock with PTFE needle valve, requiring no lubrication.
• Material: High-quality borosilicate glass, typically with durable blue or white graduations.
• Accuracy Classes: Available in Class A (high precision, often with certification) or Class B (general laboratory use).
• Capacities & Sub-divisions: Common sizes include 2, 5, 10, 25, 50, and 100 mL.
  • 50 mL: 0.10 mL graduation,

    ±0.05plus or minus 0.05

    ±0.05 mL (Class A) or

    ±0.10plus or minus 0.10

    ±0.10 mL (Class B).
  • 25 mL: 0.10 mL graduation,

    ±0.05plus or minus 0.05

    ±0.05 mL (Class A) or

    ±0.10plus or minus 0.10

    ±0.10 mL (Class B).
  • 100 mL: 0.20 mL graduation,

    ±0.10plus or minus 0.10

    ±0.10 mL (Class A) or

    ±0.20plus or minus 0.20

    ±0.20 mL (Class B).
• Compliance: ISO 385, DIN 385, or IS 1997:2008 standards.
• Design Features:
  • Screw-thread design allows for precise, micro-flow control.
  • Excellent chemical resistance due to PTFE construction.
  • Available in clear glass or amber glass (for light-sensitive titrants).
  • Automatic zeroing options available for automatic models.