LED classroom light - microcrystalline

Q: What color rendering index is sufficient for classroom lights?

The HUMUBAO HMB-J03-36 has a color rendering index of ≥95, a special color rendering index R9 ≥90, and a color fidelity of ≥90. It faithfully reproduces textbook colors and meets the hygiene requirements for classroom lighting under GB 7793-2010.

Q: Do classroom lights pose blue light hazards or flicker?

This light has a blue light hazard rating of Rg0 (exempt/no risk), is flicker-free with no harmful or noticeable effects, and complies with IEEE Std 1789-2015, giving students greater peace of mind during long study sessions under the light.

Q: How many classroom lights and blackboard lights are needed for an ordinary classroom?

Configured according to the 9+3 solution for ordinary classrooms ≤64M², i.e. 9 classroom lights plus 3 blackboard lights, maintaining average illuminance on desk surfaces ≥400Lx, lighting uniformity ≥0.7, and power density ≤7W/M².

Q: Classroom lights stay on for long hours every day. How about their lifespan and warranty?

The entire luminaire has a lifespan of ≥30,000 hours, with luminous flux maintenance ≥97% at 6,000 hours. The light source resists lumen depreciation over long-term use, and the product comes with a 5-year warranty.

Q: What model is this classroom light, and how is it installed?

The model is HMB-J03-36, a recessed integrated flat panel prismatic classroom light, installed with rod suspension. The suspension rod diameter is Ø10MM, and the rated voltage is AC220-240V/50-60Hz.

2025-10-05 · Product

Inquire about this product Product datasheet download led classroom light-.pdf Start with this one Watch the product video to learn more details Basic parameters Model: HMB-J03-36 Product introduction: Recessed integrated flat panel prismatic classroom light, simple and beautiful design, the whole light adopts spray-coated high-temperature baking paint surface treatment

Quick Answer

The HUMUBAO HMB-J03-36 recessed classroom light has a rated power of 36W, a color rendering index of ≥95, R9 ≥90, a unified glare rating of UGR<16, blue light hazard classification Rg0, complies with GB 7793-2010 and GB 40070-2021 standards, and has a whole-lamp lifespan of ≥30,000 hours.

Inquire about this product Product data download led classroom light-.pdf

Starting from this unit Watch the product video to learn more detailed information Basic parameters Model: HMB-J03-36 Product introduction: Recessed integrated flat panel prismatic classroom light, simple and beautiful in design. The entire light adopts spray-coated high-temperature baking paint surface treatment, featuring anti-aging and non-discoloration properties. The frame adopts stretched integrated aluminum profile, and the bottom shell adopts 0.4MM high-quality steel stamping integrated molding, with no weld points, no burrs, stable structure, and good product consistency. High-gloss paint treatment, good reflective effect, not easy to age and discolor during long-term use. The product has good dustproof effect and is easy to clean. The light source adopts aluminum substrate SMD, fixed with thermal conductive adhesive. It has good heat dissipation effect, and the light source is not prone to lumen depreciation during long-term use. Executive standards: Executive standards: Executive standards: National standard GB 50034-2013 Architectural Lighting Design Standard, GB 7793-2010 Hygienic Standard for Daylighting and Lighting in Primary and Secondary School Classrooms, GB40070-2021 Hygienic Requirements for Myopia Prevention and Control of Learning Supplies for Children and Adolescents, GB/T 5700-2008 Lighting Measurement Methods, GB 50034-2013 Architectural Lighting Design Standard, DB44/T 2335-2021 Technical Specification for Classroom Lighting in Primary and Secondary Schools, GB 7793-2010 Hygienic Standard for Daylighting and Lighting in Primary and Secondary School Classrooms, GB/T 36876-2018 Hygienic Requirements for Lighting Design and Installation in Ordinary Classrooms of Primary and Secondary Schools, GB/T 31831-2015 Technical Requirements for LED Indoor Lighting Applications, GB 50099-2011 Design Code for Primary and Secondary Schools, IEEE Std 1789-2015 IEEE Recommended Practices for Modulating Current in High-Brightness LEDs for Mitigating Health Risks to Viewers, DB44/T 2335-2021 Technical Specification for Classroom Lighting in Primary and Secondary Schools Photoelectric parameters Rated voltage: AC220-240V/50-60Hz Color rendering index: ≥95 Rated power: 36W Special color rendering index R9≥9 0 Power factor: ≥0.95 Rated luminous flux ≥2800Lm 6000-hour lumen maintenance rate ≥97% Luminaire efficacy: ≥85Lm/W IP protection rating IP40 Light source specification 2835 0.5W STM Blue light hazard level Rg0 (exempt group) Light source brand Shenzhen Refond Optoelectronics Flicker harmless, no significant impact Light source power 192*0.5W Module classroom lighting unified glare rating UGR< 16 (Classroom lighting actual measurement) Color temperature: 5000K±100K Power supply: Isolated constant current power supply Color tolerance ≤5 Maintained average illuminance (desktop) (standard classroom 9+3 solution) ≥400Lx Color fidelity ≥90 Lighting uniformity (desktop) ≥0.7 Standard classroom lighting power density (excluding blackboard light) ≤7W/M2 Overall lamp lifespan: ≥30000 hours Packaging: 6-pack Standard classroom installation solution (≤64M2) 9 classroom lights + 3 blackboard lights Packaging specifications: 125*64.5*35CM Warranty period 5 years Electric shock protection class: Class II Installation method: Rod suspended Suspension rod diameter Ø10MM Certification standards CCC certification, GB40070-2021 "Hygiene Requirements for Myopia Prevention and Control of Children and Adolescents' Learning Supplies" You may also be interested in these products

Frequently Asked Questions

What color rendering index is sufficient for classroom lights?

The HUMUBAO HMB-J03-36 has a color rendering index of ≥95, a special color rendering index R9 ≥90, and a color fidelity of ≥90. It faithfully reproduces textbook colors and meets the hygiene requirements for classroom lighting under GB 7793-2010.

Do classroom lights pose blue light hazards or flicker?

This light has a blue light hazard rating of Rg0 (exempt/no risk), is flicker-free with no harmful or noticeable effects, and complies with IEEE Std 1789-2015, giving students greater peace of mind during long study sessions under the light.

How many classroom lights and blackboard lights are needed for an ordinary classroom?

Configured according to the 9+3 solution for ordinary classrooms ≤64M², i.e. 9 classroom lights plus 3 blackboard lights, maintaining average illuminance on desk surfaces ≥400Lx, lighting uniformity ≥0.7, and power density ≤7W/M².

Classroom lights stay on for long hours every day. How about their lifespan and warranty?

The entire luminaire has a lifespan of ≥30,000 hours, with luminous flux maintenance ≥97% at 6,000 hours. The light source resists lumen depreciation over long-term use, and the product comes with a 5-year warranty.

What model is this classroom light, and how is it installed?

The model is HMB-J03-36, a recessed integrated flat panel prismatic classroom light, installed with rod suspension. The suspension rod diameter is Ø10MM, and the rated voltage is AC220-240V/50-60Hz.