The Leviton 1N240-011 Series 1000 Submeter Indoor power meter with Leviton split core Current Transformers are designed for precise measurement of optical power in fiber optic systems. With a power range of 120/240V and the ability to measure up to 100:0.1A, it offers accurate readings for a variety of industrial and commercial applications. As a trusted brand in the industry, Leviton ensures quality and reliability in their optical power meters.