Dust/sand test chambers are environmental simulation devices designed and manufactured in accordance with GB/T 2423.37, IEC 60068-2-68, ISO 20653 and other international standards. They are used to evaluate the sealing reliability and corrosion resistance of locks, automotive/motorcycle parts, seals, power meters and other products under sandstorm conditions.
The thermal shock chamber (TSC) is a cornerstone instrument in environmental-reliability testing. By exposing a specimen to rapid alternations between extremely high and extremely low temperatures, it reproduces the severe thermal excursions encountered during service or transport.
Thermal shock test chambers, renowned for their outstanding stability and reliability, are extensively employed in the testing of automation components, telecommunications equipment, plastics, aerospace hardware, chemical materials, LEDs, and electronic devices.
To ensure that all salt spray test chambers remain in optimal operating condition, deliver accurate test data and achieve maximum service life, this work instruction is established.
Scope
Low-temperature test chambers are dedicated to evaluating the storage reliability and environmental adaptability of electronic and electrical products, automotive components, household appliances, and related materials in extreme cold climates.
UV weathering test chambers are typically equipped with either UVA-340 or UVB-313 cold-cathode fluorescent UV lamps. The spectral differences between the two types directly influence the acceleration factor and the reliability of test results.
Following our previous discussion on the effects of high-temperature environmental testing, this paper systematically summarizes the typical property changes that occur in test specimens within low-temperature test chambers (hereinafter referred to as “the equipment”).
High-low temperature test chambers are precision instruments that must be operated strictly by trained personnel following standard procedures and subjected to regular preventive maintenance. Any operational error or neglected upkeep can trigger a variety of faults, delaying test schedules. The equipment integrates refrigeration, heating, humidification, electrical control and other subsystems. Effective troubleshooting therefore requires a holistic “whole-machine mindset” to pinpoint and solve problems quickly.
In many production workshops of enterprises, constant temperature and humidity test chambers are often indispensable pieces of equipment. However, many operators tend to overlook the daily cleaning of these devices during use, leading to a rapid accumulation of grease and dust on the equipment.
In modern industrial practices, evaluating material corrosion resistance has become a critical quality control procedure. As the core testing equipment, salt spray chambers simulate various environmental parameters to deliver four distinctive testing modalities:
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