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Burette Automatic Zero, Class B

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Burette, Automatic Zero with Glass Reservoir and Rubber Bellow

Burette Automatic Zero, Class B

mounted on a reservoir with straight bore PTFE key stopcock & rubber bellow, Class ‘B’

An automatic burette is connected with a bottle containing the titration solution. The rubber below pumps the air into the bottle, creating pressure inside the bottle further which rises the solution to the top of the burette. As soon as the burette is full, the valve is released, which makes the pressure fall in the bottle and simultaneously the burette automatically sets itself to zero.

SKU: 11256B Categories: ,

Description

Catalog No. Capacity ml. Sub Div. ml
11256B/1 10 0.05
11256B/2 25 0.10
11256B/3 50 0.10
11256B/4 100 0.20

The Burette Automatic Zero, Class B, is a reliable volumetric instrument designed for routine titration and analytical applications. Mounted on a reservoir bottle, it features an automatic zero-setting mechanism that simplifies operation and reduces manual adjustment errors. This burette is ideal for laboratories seeking efficient performance with standardized accuracy for everyday use.

Key Features

  • Automatic zero mechanism for quick and convenient setup
  • Straight bore PTFE key stopcock for smooth, leak-free liquid control
  • Rubber bellow system for easy filling and pressure regulation
  • Class B accuracy is suitable for routine analytical work
  • Clear, easy-to-read graduations for consistent measurements
  • Durable design for repeated laboratory use

Material Specifications

  • Material Type: High-quality laboratory glass with PTFE and rubber components

  • Thermal Properties: Resistant to normal laboratory temperature variations

  • Chemical Resistance: Excellent resistance to acids, alkalis, and titration reagents

  • Mechanical Properties: Robust construction for long service life

  • Standards Compliance: Manufactured in accordance with ISO and DIN standards

Technical Specifications

  • Available Capacities: As per the standard size table
  • Design: Automatic zero burette mounted on a reservoir bottle
  • Accuracy Class: Class B
  • Tolerance: As specified by ISO / DIN Class B standards
  • Calibration: Batch calibrated (individual calibration available on request)
  • Stopcock Type: Straight bore PTFE key stopcock
  • Accessories Included: Reservoir bottle, rubber bellow, and connecting tubing

Handling & Precautions

  • Ensure all joints and connections are secure before use
  • Operate the PTFE stopcock smoothly to avoid wear
  • Clean glass components after each use with suitable lab detergents
  • Autoclaving is recommended only for glass parts (excluding rubber components)
  • Avoid sudden temperature changes and mechanical impact
  • Store the unit upright in a stable and secure position

 Applications

  • Routine titration and volumetric analysis
  • Chemical and analytical laboratories
  • Pharmaceutical QC and QA testing
  • Academic teaching and research laboratories
  • Biotechnology and industrial labs
  • Daily laboratory workflows require efficiency and consistency

 

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