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
    Food safety — Part 1: Requirements for bodies providing audit and certification of food safety management systems
    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