*mydirectindustry

DEMA

Product catalog summary

Overview: The document provides technical specifications and features of the DEMA lighting series, designed for office and educational environments. It highlights the benefits of reflection grid light technology, reduced eye strain, and tunable white lighting.

Technical Specifications:

Supply Voltage: 220-240 V, 50/60 Hz
Power Consumption: Ranges from 32 W to 51 W depending on the model
Power Factor: Greater than 0.95
Temperature Range: -5 °C to +40 °C
Light Source: Mid power LED with a color temperature of 4000 K (options for 3000 K and 5000 K)
System Efficacy: Up to 125 lm/W
UGR: Less than 19
LED Lifetime: Over 50,000 hours at L80, Ta = 25 °C
Color Rendering Index: Greater than 80
Luminous Flux: Ranges from 4,000 lm to 6,000 lm
Ingress Protection: IP20
Mounting: Recessed, with suggested height up to 5 meters
Dimensions: 597 x 597 x 50 mm or 622 x 622 x 50 mm
Net Weight: Approximately 5.4 kg to 5.5 kg

Features:

Comfort optics and low UGR for reduced glare
Hybrid optics with lenses and reflectors for optimal light distribution
Dynamic White option for human-centric lighting, promoting well-being and concentration
Color Temperature Range: 2700 K to 6500 K
Control Options: ON/OFF, DALI 2.0, and DALI dynamic white
Emergency Module: Optional 1h or 3h

Applications: Suitable for offices, classrooms, presentation rooms, waiting rooms, corridors, and health facilities.

Commercial Specifications: The document notes that specifications are preliminary and subject to change, with a 5% tolerance for consumption and luminous flux values.

Catalog excerpts

”Classic light reinvented” • offices • classrooms • presentation rooms • waiting rooms • corridors • • health and other facilities • For recessed applications • Reflection grid light technology • Reduced Eye strain • Tunable white

Open the catalog to page 1

OFFICE & EDUCATION TECHNICAL SPECIFICATIONS DEMA II Supply voltage range: Consumption: ON/OFF, DALI 2.0, DALI dynamic white Emergency module (optional): Colour temperature: System efficacy: variable variable Colour Rendering Index: Luminous flux: Housing material: Appliance class: Light source: Power reduction: Hybrid optics (Alu-mirror - PMMA lenses) Light guiding system: Temperature range: Power Factor: Cover material: Housing colour: White (RAL9003) (other colours on request) Ingress protection class: Mounting options: Suggested mounting height: 597 x 597 x 50 mm 622 x 622 x 50 mm (other dimensions...

Open the catalog to page 2

FEATURES Comfort optics and low UGR make DEMA II & DEMA III a high demand office light with up to 6000 Luminous flux With hybrid optics the source is surrounded by lenses and reflectors that capture the omnidirectional light, guide it into the specified distribution, and contribute to comfort luminance transitions between different surfaces in a room. Louver luminaires are ideal for general lighting of office space while maintaining a high degree of anti-glare protection. A “classic” re-invented DEMA DW with Dynamic White option for a true human centric luminaire! “Human centric lighting is intended...

Open the catalog to page 3

COMMERCIAL SPECIFICATIONSD: 2333-0043-1354-0021 Code Name *Luminous flux for 3000 K and 5000 K may vary, please contact our Sales department for detailed information, **At 4000 K, GRAH LIGHTING d.o.o. Zadruzna ulica 6, SI-2310 Slovenska Bistrica, Slovenia, EU + 386 82 801 424 lnfo@grahllghtlng,com www.grahllghtlng.com Verson 3.0. All specifications are preliminary and are subject to change without pror notice. For consumpton and luminous flux, the allowed 5% tolerance of the stated values is taken into account.

Open the catalog to page 4

All Grah Lighting catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list