Socorex CalibrexTM universal 520 adjustable bottle-top dispenser 0.25 - 2 mL, autoclavable 520.002

The CalibrexTM universal 520 adjustable bottle-top dispenser is a laboratory bottle-top dispenser for precise distribution of liquids directly from bottles and flasks. It dispenses volumes from 0.25 to 2 mL with 0.05 mL division, is autoclavable fully assembled at 121°C / 250°F, and is supplied with adapters to fit common bottle-neck diameters. Primary use cases include accurate dosing and repetitive dispensing of aqueous and chemically compatible reagents in laboratory workflows.

Key Features:

• Volume range: 0.25–2 mL
• Graduation (division): 0.05 mL
• Inaccuracy/Imprecision (performance example): <±3.0% (inaccuracy) and <0.5% (imprecision) depending on volume (measured per ISO 8655 with bidistilled water, 20–25°C)
• Autoclavable fully assembled at 121°C / 250°F
• Base thread fits 32 mm bottle neck; supplied with 28, 40 and 45 mm PP adapters
• Instant single-hand volume setting and calibration mechanism located under the cap

Advantages:

• Superior chemical resistance for extended compatibility with lab reagents
• Long-lasting stable performance with simple construction allowing tool-free disassembly
• Time-efficient operation: single-hand volume setting, in-lab calibration and quick maintenance
• Autoclavable assembled design simplifies sterilization between uses