Interconnection of information technology equipment — Control Network Protocol — Part 3: Power line ...
ISO 14908-3:2011 specifies all the information necessary to facilitate the exchange of data and control information over the power line medium for networked control systems used in conjunction with ISO 14908-1.
ISO 14908-3:2011 establishes a minimal set of rules for compliance. It does not rule out extended services to be provided, given that the rules are adhered to within the system. It is the…
Particulate air filters for general ventilation — Determination of the filtration performance
ISO 21220:2008 refers to particulate air filters for general ventilation. It describes testing methods and the test rig for measuring filter performance. The test rig is designed for an air flow rate between 0,25 m3/s (900 m3/h, 530 ft3/min) and 1,5 m3/s (5 400 m3/h, 3 178 ft3/min).
ISO 21220:2008 applies to air filters having an initial efficiency of less than 99 % with respect to 0,4 �m…
Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for seas...
This part of standard wants to provide a testing and calculating methods for annual performance factor of sensible recovery ventilator ruled by the ISO 16494,It is the third part of ISO/NP5222.
Ships and marine technology — Pilot transfer arrangements — Ship hull securing equipment
This document provides performance, maintenance and inspection standards for equipment used to secure (bowse) pilot ladders and accommodation ladders to a ship hull when a combination pilot ladder arrangement is used for pilot transfer.
Sludge recovery, recycling, treatment and disposal — Determination of calorific value of sludge
This Document specifies a method for the determination of the gross calorific value of sludge at
constant volume and at the reference temperature 25 °C in a bomb calorimeter calibrated by
combustion of certified benzoic acid.
The result obtained is the gross calorific value of the sample at constant volume with both the water of
the combustion products and the moisture of the sludge as liquid…
Containment high efficiency filtration unit (CHEFU) in ventilation system of biosafety facilities
This document specifies terms and definitions, classification and marking, materials, requirements, test methods, inspection rules as well as marking, packaging, transport and storage of exhaust high efficiency filtration unit（EFU）used in risky biosafety facilities.
This document is applicable to EFU used to remove harmful bio-aerosol in biosafety facilities. Reference may be made to this…
Intelligent transport systems — Public transport — Light emitting diode (LED) destination board syst...
This standard specifies the constructional and performance requirements and methods of tests for LED Destination Board System (LEDDBS) for use in all categories of buses and coaches (including mini/midi buses).
Gaseous hydrogen — Fuelling stations — Part 5: Dispenser hoses and hose assemblies
This document specifies the requirements for wire or textile reinforced hoses and hose assemblies suitable for dispensing hydrogen up to 70 MPa nominal working pressure, in the operating temperature range of −40 °C to 65 °C.
This document contains safety requirements for material, design, manufacture and testing of gaseous hydrogen hose and hose assemblies for hydrogen fuelling stations.
Hoses…
Space systems — Stable operation requirements for satellite attitude and orbit control system
Satellite attitude and orbit control system (AOCS) is responsible for completing the attitude and orbit control of the satellite. It is essential for ensuring the basic functions and stable operation of the satellite.
This standard specifies the definition of on-orbit stable operation of the satellite AOCS. According to the influencing factors of the satellite on-orbit stable operation, it…
