Environmental chamber

An environmental chamber comprising:

• a testing tub in which a testing space for arranging a specimen is formed;
• a handlebar protruded to a rear side of the testing tub;
• and
• wheels arranged at a lower end part of the environmental chamber, wherein
• the testing tub has a front wall, a left sidewall, a right sidewall, a rear wall, and a ceiling part, and is divided into a lower tub part and an upper tub part by a dividing surface extended in a direction inclined downwardly and frontwardly,
• the left sidewall and the right sidewall are respectively divided into two portions by the dividing surface, and an inner surface of the upper tub part includes at least a part of an inner surface of each of the ceiling part, the front wall, the left sidewall, and the right sidewall,
• a rear end part of the dividing surface is positioned at a rear side of a center of the ceiling part in a front and rear direction thereof,
• a front end part of the dividing surface is positioned at a lower side than a center of the front wall in a height direction thereof, and
• the upper tub part is supported by the lower tub part to be able to open the testing space.