Illuminance displayer

The utility model discloses an illuminance displayer which uses yellow, green and red light-emitting diodes to emit light, thereby respectively displaying illuminance of low, middle and high regions. The illuminance displayer comprises a housing with six holes, a battery and a switch, and is charact...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WANG DINGKUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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