Guyana National Bureau of Standards |  Portal 

    Standards

    Specification for liquid commercial capacity measures (Metric).
    Metric practice guide conversion factors and procedures
    Optics and optical instruments – Ophthalmology - Graduated dial scale
    Specification for Equal arm scales (4 kg)
    Specification for net content in packages
    Recommended methods of measurement on receivers for television broadcast transmissions - Part 8: Measurements on D2-MAC/packet equipment