A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Fire hazard testing -- Part 6: Guidance and test methods on the assessment of obscuration hazard of vision caused by smoke opacity from electrotechnical products involved in fires -- Section 30: Small scale static method -- Determination of smoke opacity
Environmental testing -- Electrotechnical products -- Fire hazard testing -- Smoke obscuration -- Small scale static method -- Materials
Classification of environmental conditions -- Part 1: Environmental parameters and their severities
Classification of environmental conditions Part 2: Environmental conditions appearing in nature. Precipitation and wind
Classification of environmental conditions Part 2: Environmental conditions appearing in nature Air pressure
Classification of environmental conditions -- Part 2: Environmental conditions appearing in nature. Solar radiation and temperature
Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 3: Stationary use at weatherprotected locations
Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 4: Stationary use at non-weatherprotected locations
Classification of environmental conditions -- Part 3: Classification of groups of environmental parameters and their severities. Section 7: Portable and non-stationary use
Classification of environmental conditions -- Part 3: Classification of groups of environmental parameters and their severities -- Section 9: Microclimates inside products
Electromagnetic compatibility (EMC) -- Part 3-2: Limits -- Limits for harmonic current emissions (equipment input current <= 20 A per phase)
General rules of transmitting and receiving modules for low speed fiber optic transmission
Measuring methods of transmitting and receiving modules for low speed fiber optic transmission
Terrestrial photovoltaic (PV) modules-Design qualification and type approval-Part 1-1: Special requirements for testing of crystalline silicon photovoltaic (PV) modules
Terrestrial photovoltaic (PV) modules-Design qualification and type approval-Part 1-2: Special requirements for testing of thin-film Cadmium Telluride (CdTe) based photovoltaic (PV) modules
Terrestrial photovoltaic (PV) modules-Design qualification and type approval-Part 1-3: Special requirements for testing of thin-film amorphous silicon based photovoltaic (PV) modules
Terrestrial photovoltaic (PV) modules-Design qualification and type approval-Part 1-4: Special requirements for testing of thin-film Cu(In, Ga) (S, Se)2 based photovoltaic (PV) modules
Measuring methods for laser output power
Test methods of optical power meters for laser beam
Test methods of fiber optic power meters
Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications -- Part 1:Nickel systems
Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications -- Part 2: Lithium systems
Photovoltaic (PV) arrays -- Design requirements
Connectors for DC-application in photovoltaic systems -- Safety requirements and tests
Organic light emitting diode (OLED) light sources for general lighting -- Safety-Part 1: General requirements and tests