High Intensity Discharge Lamps
Medium YV04
High Intensity Discharge Lamps - Medium YV04
| General Characteristics of High Intensity Discharge Lamps - Medium YV04 |
| Name | Yttrium Vanadate Phosphate Borate:Eu Medium |
| Chemical Formula | Y(VPB)O4:Eu |
| Application | High pressure Mercury Gas discharge lamps |
| Processing | Electrostatic Coating |
| Packaging | 20 kg in 30 ltr steel drum |
| Optical Characteristics of High Intensity Discharge Lamps - Medium YV04 |
| —————— 254 nm excitation —————— |
| » Quantum efficiency | 73% |
| » UV absorption | 95% |
| » Wavelength at peak | 620 nm |
| » Bandwidth (50%) | 2 nm |
| » Excitation peak | 325 nm |
| —————— C.I.E. Chromaticity Coordinates —————— |
| » Powder | x = 0.658 Y = 0.325 |
| » Lamp TLD 36W | x = 0.568 Y = 0.304 |
| —————— Lumen Output 100h (HPL 125W) —————— |
| » Nominal | 6200 lm |
| Physical Characteristics of High Intensity Discharge Lamps - Medium YV04 |
| Body Colour | White |
| Specific Gravity | 4.29 |
| Particle Size Distribution | By Laser Diffraction (Sympatec - HELOS) |
| » fraction £ 6 µm | 42.0 ± 13% |
| » fraction £ 25 µm | 100% |
| » D 50 | 6.25 ± 1.0 µm |
| Crystal Structure | Xenotime |
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+91-11-2702 4086 / 4586 / 4686; +91-93127 05186; +91-11-3255 5186
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