Hangzhou Jingfei Technology Co., Ltd
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Energy standard lamp
Energy standard lamp
Product details
Product Introduction:
Energy standard lamps are used for luminous flux and color temperature calibration.
Color temperature: 3000K
Luminous flux:< 100lm
Color temperature stability: 0.3% (or+0.0005)
Luminous flux stability: 0.3%
Lifespan: Over 300 hours

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