HOT AIR OVEN

HOT AIR OVEN

USE

Dry sterilisation. Preparation of

anticoagulated bulb. Drying of glassware. Heating of chemicals used

for the preparation of primary standards.

Hot air oven – principle

When electricity is passed through the heating coils, electrical energy is converted into heat energy. The temperature is converted by thermostat.

Components

Double walled heavy gauze aluminum chamber.

Continuous heat elements externally wound on all sizes of the working chamber.

Thermal insulation by thick glass- wood between the working chamber and the outer mild steel casting.

Thermostat. Adjustable ventilator. Pilot lamp. Temperature controller. Perforated metal sleves.

thermometer

Procedure for use Place the articles on the sleves. Close the door firmly. Put on the main switch. Control the temperature by

adjusting the control knob. Keep it on for required time. Put off the main switch. Remove the articles.

Care and maintenance

Do not forget to put off main switch when the heating period is over.

Clean the hot air oven after use.

Muffle furance

Muffle furance is a type of hot air oven in which temperature up to 8000c-9000c can be obtained.