The Rosemount 1195 Integral Orifice Primary Element is engineered to facilitate highly accurate flow measurement in small line sizes (0.5 - 1.5 in. or 15 - 40 mm). The primary element is provided in a meter run for easy installation and is suitable for flow measurements of gas, liquid or steam. This product utilizes a self-centering orifice plate to prevent installation error and it can be ordered as a completely assembled flowmeter or as an assembled-to product.