This standard specifies the technical requirements, test methods, inspection rules and marking, packaging and storage requirements for drilling fluid density meters. This standard applies to drilling fluid density meters.
SY/T 5381-1991 history
2013SY/T 5377-2013 Specifications for drilling fluid testing instruments
2008SY/T 5381-2008 Technical specifications of driling fluid balance for density
1991SY/T 5381-1991 Specifications for Drilling Fluid Density Meter