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
    Specification for net content in packages
    Pesticides labelling –requirements
    Recommended methods of measurement on receivers for television broadcast transmissions - Part 8: Measurements on D2-MAC/packet equipment
    GYS IEC 61850-7-4 : 2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes