Lab ovens are essential tools in many scientific and industrial applications. They are designed to provide controlled heating for various processes.
4 Key Factors You Need to Know About Lab Oven Temperatures
1. Temperature Range and Control
Lab ovens typically operate within a temperature range of 70°C to 250°C or higher. This range is much lower than that of laboratory furnaces, which can reach up to 1,700°C.
Lab ovens are equipped with a PLC controller to regulate temperatures within their specified range. This allows for a variety of applications that require controlled heating.
2. Heat Distribution and Design
In lab ovens, heating tubes are located outside the inner chamber. A fan inside the chamber circulates the air to maintain even heat distribution.
This design ensures that all parts of the oven reach and maintain the desired temperature uniformly. The ovens are also equipped with vents to allow humidity, VOCs, and fumes to escape.
3. Safety and Operation
Operating a lab oven involves setting the desired temperature using controls, which can be manual or digital. It typically takes about an hour for the oven to reach the set temperature.
Safety measures dictate that the oven door should not be opened until the temperature drops to 100°C or below. Materials should not be removed until the temperature is around 25°C, unless appropriate protective measures are taken.
4. Comparison with Furnaces and Incubators
Lab ovens differ from laboratory furnaces primarily in their temperature capabilities and the types of applications they support. Furnaces are designed for much higher temperatures and are used for processes like ashing and high-temperature testing.
In contrast, lab ovens are designed for moderate temperature applications. Additionally, lab ovens differ from incubators in their temperature range and the drying nature of their heat. Incubators are typically used for biological applications that require more controlled humidity and lower temperatures.
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