Introduction to low temperature test chamber
The low-temperature test chamber evaluates and determines the adaptability of electrical and electronic products or materials to storage and use at low temperatures in non-heat-dissipating electrical and electronic products that are not subject to damage due to sudden temperature changes. The low temperature test chamber can use forced air circulation to keep the temperature uniform. In order to limit the effects of radiation, the difference between the temperature of each part of the inner wall of the test chamber and the specified test temperature should not exceed 8% (calculated according to Kelvin temperature), and the test sample should not be directly radiated by any heating and cooling elements that do not meet the above requirements.
The low-temperature test chamber is formed by CNC machine tool and adopts non-reaction handle, which is easy to operate. The inner gallbladder adopts imported high-grade stainless steel mirror panel, and the outer gallbladder adopts A3 steel plate spraying. The large observation window made of tempered glass embedded in the heating body can clearly observe the test status in the box at any time. The equipment is equipped with a test hole with a diameter of 50mm, which can be used for an external test power line or signal line. Introduction to low temperature test chamber introduction national free service hotline
Relevant standards for low temperature test chambers: GB / T 2421-1999 Environmental testing for electrical and electronic products Part 1: General (idtI EC 60068-1: 1988); GB / T 2422-1995 Environmental testing terms for electrical and electronic products (eqvI EC 60068- 5-2: 1990); GB / T 2424.1-1989 Electrical and electronic products basic environmental testing procedures high temperature and low temperature test guidelines.
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