JJG 86-2011

This regulation applies to the initial verification, subsequent verification, and in-use inspection of fixed-quality standard glass float gauges (hereinafter referred to as float gauges), including first-class standard density gauges, second-class standard density gauges, first-class standard seawater density gauges, first-class standard alcohol gauges, second-class standard alcohol gauges, first-class standard sugar quantity gauges, and second-class standard oil density gauges.
The verification of low-density range standard oil density gauges with a density less than 650 kg/m3 is not applicable.