Standards
These requirements cover portable, stationary, and fixed uninterruptible power supplies (UPS) rated 600 volts or less ac or dc that are intended for installation in accordance with the National Electrical Code, NFPA 70. During intended operation, the UPS allows the utility to deliver ac and dc power to the connected load through either the power conversion portion of the UPS or a bypass source. The power conversion portion of the UPS consists of a rectifier and an inverter. During periods of power fluctuations, or power outage, or both, the connected load receives ac and dc power from the battery supply and power conversion portion of the UPS.
This standard specifies the requirements and the methods of test for ice-cream and related products, with the incorporation of fruits, nuts or chocolate either singly or in combination.
This standard specifies the requirements and the methods of test for ice-cream and related products, with the incorporation of fruits, nuts, or chocolate either singly or in combination.
This standard specifies the ergonomic principles for the design of work systems.
This document specifies the general requirements
for the competence, impartiality and consistent operation of laboratories. It is
applicable to all organizations performing laboratory activities, regardless of
the number of personnel.
Laboratory customers, regulatory authorities, organizations and schemes using peer-assessment, accreditation bodies, and others use this document in confirming or recognizing the competence of laboratories.
This standard specifies physical and active ingredient and requirements and methods of test for mosquito coils.
This standard specifies the method for evaluation of the biological efficacy of mosquito coils by the use of glass chamber method. This method provides a satisfactory means of determining the relative efficacy of mosquito coils.
This standard specifies the requirements and the methods of sampling and test for lacquer.