Ultra Low Temperature Test Chamber For Environmental Testing

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The ultra low temperature test chambers are sub-zero freezers, designed for a wide variety of low temperature applications. They are commonly employed by research organizations and industrial units for cold storage applications, industrial cooling and production chilling applications, epoxy storage, heat treatment applications and for studying the effects of ageing on various manufactured products. The ultra low temperature test chambers find widespread usage in medical and pharmaceutical industries, food processing industries, animal research institutes, chemical industries and petroleum industry and are often used for studying freeze tolerance of products and their performance in extremely low temperature environments. These cryostat chambers are also employed for ultra low temperature treatment test of natural polymers, rubber products and other industrial products. They are also used for stress relieving and dimensional stabilization studies. DGBELL Environmental Test Chamber Manufacturers


The ultra low temperature test chambers are double walled equipments with efficient thermal insulation between the walls for increased thermal efficiency. They have a heavy duty construction and are designed for long lasting, trouble free operation. The unit is provided with a chamber door that comes equipped with a temperature resistant, high intensity, double layered seal, making the unit air-tight and free from contamination. These equipments use compressor cooling technology for highly accurate and reliable working conditions and environmental friendly HFC refrigerants for efficient cooling. The unit may use a single stage refrigeration system or cascade refrigeration for adequate cooling of the equipment.


The ultra low temperature test chamber may also be provided with glass side walls for increased visibility and better control. The equipment can be designed for continuous operation or programmed operation as per the requirements of the application. The unit is provided with air heaters and cooling devices that help in maintaining the optimum working temperatures within the equipment. These test chambers are also equipped with efficient fans and motor that help in maintaining the air circulation for uniform distribution of heat throughout the working area.


The ultra low temperature test chambers are available in a wide variety of sizes and configurations and can also be customized as per specific requirements. They are available as both vertical and horizontal models, operating over a working temperature range of -40°C to -85°C. Most of the models come equipped with adequate lighting for uniform and adequate illumination and a defrost system that prevents the formation of frost over the sample surfaces. The illumination system usually comprises of exterior lamp banks that allow easy bulb replacement without disturbing the samples and are appropriately placed for reduced heat load.


The ultra low temperature test chambers are also provided with adequate shelves for segregation of samples. These shelves are appropriately positioned within the chamber to allow easy mounting of the samples. The equipment uses high quality, non-corrosive construction materials such as powder coated metallic sheets for external surfaces and high grade stainless steel for internal surfaces for a robust and sturdy construction. It uses a digital temperature controller cum indicator for maintaining the exact working temperatures.


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