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WebApr 14, 2024 · For PN measurement, a TSI 3772 (TSI Inc, Aachen, Germany.) 10 nm Condensation Particle Counter (CPC) with dual-dilution system was used in accordance with the European exhaust emission standard . The dilution device consists of a primary and a secondary diluter (PND1 and PND2) in combination with a catalytic stripper that is used to … WebMay 27, 2024 · How to Measure Light Intensity Using a Light Meter. 1. Measure Ambient Light In the Room. To begin, turn off any lighting in the room you’re about to measure. … WebJun 1, 2024 · PM-HL software includes POI presets for the major industry standards: ECE R20. ECE R112. ECE R123. FMVSS 108. POI are applied to the image of a headlamp beam pattern captured by a Radiant ProMetric imaging system. In this image, POI presets match the test point positions specified by ECE R112. Beyond beam pattern POI test points, the … hand held small fan