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Koey-D — Horizontal-clamp desk lamp

FS0043 Series

Koey-D Desk Lamp

Desk lamp · 50 W

Koey-D is a 50 W horizontal-clamp desk lamp with direct and indirect lighting, independent up/down dimming and 3000–5700 K tunable white. Touch and remote controls are complemented by a 24 GHz presence sensor. The adjustable lamp head supports different desk and reading positions.

Light output
4,500 lm
Colour temperature
3000–5700 K
Colour rendering
CRI 98 available
Luminous efficacy
90 lm/W

The second CRI option has preliminary specifications; measurements are pending.

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Configuration-specific specifications

Compare configurations
Model codeFS0043-KZ90-J04-WCRI 98FS0043-KZ90-J04-WCRI ≥80
CRI98≥80
Data statusPublished nominal specificationsPreliminary — measurements pending
CRI
98
Data status
Published nominal specifications

Shared specifications

Photometric Data

Input power
50 W
Total luminous output
4,500 lm
Luminous efficacy
90 lm/W
Colour temperature
3000–5700 K
Indirect / direct ratio
65 / 35
Indirect luminous output
2,925 lm
Direct luminous output
1,575 lm
UGR
<16
Beam angles
Indirect 105° / Direct 89°
LED source
Bridgelux

Control & Sensors

Control interface
Touch control and remote control
Independent up/down dimming
Yes
CCT adjustment
3000–5700 K
Presence sensor
24 GHz
Daylight sensor
No

Electrical

Input
AC 200–240 V / 50 Hz
Power factor
>0.9
Driver
External · Gezheng
Indirect / direct power
30 W / 20 W

Construction

Mounting
Horizontal clamp mounting
Dimensions
(355–470) × 745 × 977 mm
Material
Aluminium
Finish
White (H3-W561) · powder coated
Protection rating
IP40
Cable length
1.8 m
LED count · indirect / direct
168 · 104 / 64

Lifetime & Warranty

LED lifetime
≥60,000 h
Operating temperature
0–40 °C
Warranty
3 or 5 years, subject to quotation
Noise level
<25 dB / 30 cm

Downloads

Product specifications

Photometric test report · CRI 98

Integrating sphere test report · CRI 98

Koey-D Desk Lamp
Selected productKoey-D Desk Lamp

FS0043-KZ90-J04-WCRI 98 — 50 W

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