IEC Glossary

International Electrotechnical Commission
Glossary

Terms defined in IEC 62257-9-5



3.1			illuminance

3.2			capacity

3.3			device under test

3.4			life

3.5			life test

3.6			service life

3.7			light unit

3.8			lux

3.9			full width half maximum

3.10			Ampere

3.11			multimeter

3.12			ammeter

3.13			voltmeter

3.14			illuminance meter

3.15			photometer

3.16			pyranometer

3.17			integrating sphere

3.18			goniophotometer

3.19			power supply

3.20			overvoltage protection

3.21			undervoltage protection

3.22			GS

3.23			IP class

3.24			portable

3.25			fixed

3.26			separate

3.27			integrated

3.28			metadata

3.29			light emitting diode

3.30			low-voltage disconnect

3.31			standby loss

3.32			compact fluorescent lamp