Automatic Zero Burettes - Amber Glass with PTFE Key Stopcock 25ml

• Automatic zero burette mounted on glass reservoir with rubber below • Suitable for use with light sensitive solutions
• Calibrated to Class-A volumetric tolerances
• Made of high quality, chemical resistant amber borosilicate 3.3 glass • Mechanically strong with low temperature gradient
• Individually calibrated to deliver (Ex) at 20 C reference temperature • Self lubricating interchangeable PTFE key stopcock
• Graduated reservoir to indicate approximate volume
• Complies with DIN ISO 385 standard
• Autoclavable at 121 C
• Batch certificate available to download online