This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of prism transflective two-color liquid level gauges. This standard applies to prism transflective two-color liquid level gauges with a nominal pressure of 2.5 MPa, which are mainly composed of a body, a prism, a pressure plate, and a lighting window (or electric light source).
HG/T 2483-1993 history
2006HG/T 2483-2006 Technical conditions of the prism-base reflective-transmitted double-color liquid level meters