Diesel Smoke Meter

Smoke meters, also referred to as opacity meters, detect and measure the amount of light blocked in smoke emitted by diesel engines from cars, trucks, ships, buses, motorcycles, locomotives and large stacks from industrial operations.(g) The Diesel Smoke Opacity Meter shall have the capacity to electronically transmit a test measurement values of the engine temperature achieved (measured in °C) prior to the initial free acceleration - see the highlighted content in AppendixThe basic principle of the smoke meter is in measurement of exhaust gas emissions sucked through a filter paper. The blackening of filter paper is measured with reflectometer and indicates the soot content in the exhaust gas.There are two groups of conventional smoke meters which utilize different measuring principles: Opacity meters—sometimes referred to as opacimeters—measuring smoke in the exhaust gas, and. Smoke number meters which optically evaluate soot collected on paper filters.