Proper and Safe Use of Heating Devices in The laboratory

The devices used to produce heat are among the most frequent electrical equipment seen in a typical laboratory. In many cases, heat is required to achieve a reaction or separation. Sometimes, it may be required to enhance mixing when using a magnetic stirrer such as the 2mag.

The heating devices are designed to convert electrical current into heat energy. They include:

  • Ovens
  • Hot plates
  • Hot air guns
  • Microwaves
  • Hot baths (air, oil, and water)
  •  Hot-tube furnaces
  • Heating mantles

When temperatures of 100 °C or less are necessary, steam-heated equipment is often preferable over electrically heated devices. They may be left unattended since they do not provide a shock or spark danger, and their temperature will never surpass 100 °C.

Note: Utilize steam produced by laboratory-specific units. Contaminants in the steam produced for general facility usage may interfere with laboratory operations.

 Proper and Safe Use of Heating Devices

  • Bare wires should not be utilized in resistance devices to heat oil baths. If a heating device gets worn or broken to the point that the heating element is exposed, discard it or repair it before using it again.
  • Control and restrict the input voltage to some proportion of the entire line voltage, typically 110 V, by using laboratory heating devices that have a variable autotransformer.
  • When using an electrical heating device, either a temperature controller or a temperature-sensing device must be used to switch off the power if the temperature of the heating device exceeds a predetermined limit.
  • Control devices are also available that will cut power if the flow of cooling water through a condenser is interrupted due to a loss of water pressure or a loosening of the water supply line to a condenser.
  • Fail-safe devices, which may be bought or built, can prevent more catastrophic issues like fires or explosions from occurring if the temperature of a reaction rises significantly due to a change in line voltage, the unintentional loss of solvent, or a lack of cooling.

Hey guys, I am Aman Singh Bhadouriya. I'm a student of Btech 3rd year and a part-time Blogger who loves writing about Technology and Digital Marketing. I have created Ezad Tech to share my knowledge with others.

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