Constant Temp Metal Bath — MB03/MB04/MB05

This constant temperature metal bath is a highly precise laboratory instrument designed to maintain a uniform and stable temperature for samples submerged in a specialized metal alloy block. It serves as a robust and efficient alternative to water baths, eliminating issues like evaporation, contamination, and algae growth.

The core of the system is an aluminum or alloy block drilled with multiple wells to hold standard microtubes, vials, or other containers. This block is heated by an integrated electric element and cooled, in many models, by a Peltier device. A digital temperature controller allows users to set a desired temperature with high accuracy. A sensor continuously monitors the block's temperature, providing feedback to the controller, which adjusts the heating or cooling power to maintain the setpoint, often within ±0.5°C.

The primary advantage of a metal bath is its exceptional temperature uniformity and thermal conductivity. Heat transfers rapidly and evenly through the metal block, ensuring all samples in the wells experience the same conditions simultaneously. This is critical for the reproducibility of sensitive biochemical and molecular biology applications.

Common applications include enzymatic digressions (e.g., restriction enzyme digestion), ligations, protein incubations, DNA melting point analysis, bacterial transformation heat shock steps, and sample storage at a constant temperature. They are indispensable in genetics, biochemistry, and pharmaceutical research labs.

In summary, the constant temperature metal bath is a cornerstone of modern laboratories, prized for its precision, speed, dry and clean operation, and reliability in performing a wide array of temperature-sensitive procedures.