An IP rating and a Cleanroom rating are two different standards used to measure different aspects of environmental conditions.
An IP (Ingress Protection) rating is a standard used to indicate how well an electrical enclosure or device can protect against foreign objects, such as dust or water. The IP rating consists of two numbers, with the first number indicating the level of protection against solid particles and the second number indicating the level of protection against liquids. For example, an IP65-rated device is dust-tight and can withstand water projected from a nozzle.
On the other hand, a Cleanroom rating refers to the level of cleanliness of a controlled environment, such as a laboratory, manufacturing facility, or hospital. Cleanrooms are designed to minimize the presence of airborne particles, which can be harmful to sensitive equipment, products, or patients. The Cleanroom rating is usually expressed as a numerical class, with higher classes indicating a cleaner environment. For example, a Class 100 cleanroom contains no more than 100 particles per cubic foot of a specified size range.
On the robotics application level, the IP ratings deal with protecting the robot from the outside world (dust, spray, liquids, etc); whereas the cleanroom classifications deal with protecting the outside world (i.e. Cleanroom) from anything that might be inside the robot.
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