This tester is suitable for all machinery, an electric apparatus, electron, electrochemistry, and electromechanical equipment, evaluate resistance ability of these equipments which expose in the atmosphere of sand or full of dust, they can proceed to store and run. Have large area viewing panel, it is convenient to observe sand dust test state, it can guarantee the control precision of the warm and warm and humid condition for digital intellectual regulator. The test case is made up of case body and auxiliary equipment.
