A moisture meter is an essential instrument used in many industries to detect moisture content in materials.
The tachometer is a measuring instrument that is used to measure the operating speed of an engine in revolutions per minute. It is also known as a revolution counter. The device can measure the rotational speed of the shaft or disc when the machine is in motion
A thickness tester is a device for measuring thickness of all type of Fabrics, leather, paper, felt, rubber, sheet metal, foil, plywood, cardboard, foam and more.
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle