Answers for architects
& lighting designers.

Yes. Our IES files work natively with DIALux evo, DIALux pro, and Relux.

For project support, our lighting design team can provide completed DIALux calculation models using Yakeen fixtures — including falsecolor renderings, illuminance charts, UGR analysis, and uniformity reports.

This is complimentary for projects where Yakeen is specified. Just send us your floor plan and lighting requirements, and we'll return a complete calculation package within 48–72 hours.

Production batches are photometrically tested at accredited third-party and partner laboratories, including goniophotometer testing, following LM-79 methodology.

We measure:
• Total luminous flux and efficacy
• Luminous intensity distribution (beam angles and candela values)
• Correlated color temperature (CCT) and chromaticity
• Color rendering index (CRI/Ra, R9, R13)
• Power factor and THD
• Thermal performance and case temperature

Testing follows LM-79 methodology at accredited third-party and partner laboratories. Certified test reports are provided with project documentation.

Yes. We provide fully parameterized Revit families for all standard product lines.

Each family includes:
• Accurate 3D geometry with correct dimensions
• Light source parameters with IES integration
• Type catalogs with all available options (power, CCT, beam angle, dimming)
• Shared parameters for scheduling and quantity takeoff
• Proper visibility controls for plan, elevation, and 3D views

Families are compatible with Revit 2021 and newer. For custom fixtures, we provide Revit families upon request — typically within 5–7 working days of design finalization.

We provide DWG-format CAD drawings for all standard fixtures, including:

• Plan, elevation, and section views at 1:1 scale
• Installation details and cutout dimensions
• Ceiling grid coordination details
• Wiring and connection diagrams

Drawings are layered by AIA standard conventions for easy integration into your drawing sets. For custom fixtures, we provide detailed shop drawings for your review and approval before production. All CAD files are available in both metric (mm) and imperial (inch) units.

Absolutely — that's what we're built for. Every Yakeen product line has complete specification data including optical performance, thermal ratings, electrical characteristics, mechanical dimensions, material specifications, and finish options.

We provide:
• Specification cut sheets with all critical data points
• Master guide specifications in CSI 3-part format
• Pre-written specification clauses you can drop into your project manual
• Performance-based specification language for competitive bid situations

If you need help writing a specific clause, our engineering team will draft it for you.

Yes. Our standard beam angles are 10°, 15°, 24°, 36°, and 60°, plus wall wash and asymmetric distributions.

For projects requiring specific beam angles — for example, an 18° narrow flood or a custom asymmetric distribution — our optical engineering team can design and tool custom lenses or reflectors.

Minimum order quantity for custom optics depends on complexity, but typically starts at 50 units. Custom optical samples can be produced in 10–15 days for verification before production.

Yes. This is one of our most common engineering requests. We can adjust:

• Cutout dimensions (to match existing ceiling openings)
• Flange width and profile
• Housing depth and dimensions
• Overall fixture length, width, or shape

For trimless installations, we offer plaster-in frames, flush-mount options, and adjustable trim depth for various ceiling thicknesses (12.5mm–25mm drywall, GRG, or concrete).

Custom dimensions have no minimum order quantity for standard fixture platforms. We match your ceiling system — not the other way around.

Yes. Standard finishes include matte white, matte black, brushed aluminum, and architectural silver. For custom finishes we offer:

• RAL color matching (powder coat, any RAL number)
• Custom metallic finishes — brass, bronze, copper, brushed nickel
• Wood grain and textured finishes
• Custom painted finishes to match your interior palette
• Site-matched finishes (send us a sample — we'll match it)

Custom finish samples are available in 5–7 days for your approval before production.

All Yakeen fixtures support standard dimming protocols:

• DALI-2 — DT6 (dimming) and DT8 (CCT tuning)
• 0-10V — standard analog dimming
• TRIAC / ELV — forward and reverse phase dimming
• DMX512 / RDM — for dynamic color and architectural control
• Bluetooth mesh — wireless control and commissioning

We use drivers from reputable brands (Mean Well, Philips Xitanium, Tridonic) with flicker-free operation below 1% dimming level. All control options are specified, tested, and verified before shipping.

Yes — and we strongly recommend them. We provide three types of samples:

1. Standard samples — off-the-shelf from our standard range, shipped in 3–5 days. Useful for finish comparison and general quality assessment.

2. Engineered samples — with modified optics, finishes, or dimensions. Produced in 2–3 weeks. Includes photometric test report and IES file.

3. Full-scale mock-ups — for lobbies, feature lighting, or custom chandelier projects. Built to exact specifications with full structural engineering. Ideal for client presentations and on-site performance verification.

Each sample comes with a photometric test report so you can verify performance before approving production.

Our core product lines are SASO 2902 energy efficiency certified and G-Mark certified for all six GCC countries:

• Saudi Arabia (SASO / SABER)
• United Arab Emirates (MOIAT / ECAS)
• Qatar
• Kuwait
• Oman
• Bahrain

We handle all SABER platform registration and provide Certificate of Conformity (CoC) documentation for customs clearance. For Saudi-specific projects, we also support SIRC certification and Saudi IECEE recognition.

If you need a specific certification not listed, let us know — we coordinate third-party testing for additional marks as required by your project.

Yes. We provide complete submittal packages for every project, including:

• Product cut sheets with full technical data
• Photometric test reports and IES files
• Revit families and CAD drawings
• Finish samples and color standards
• Material data sheets and component specifications
• Wiring diagrams and installation instructions
• Certification documents (SASO, G-Mark, CE, RoHS)
• Operation and maintenance manuals

Submittals are formatted to your requirements — CSI 3-part, specification binder format, or custom template — and delivered in PDF with native files upon request.

Yes. Value engineering is a core part of our engineering service.

When you send us a specification or a competitor's product you're looking to replace, our engineering team will analyze it and propose cost-optimized alternatives that meet or exceed the stated performance requirements.

We provide a clear comparison:
• What changes and what doesn't
• The cost impact per fixture and per project
• Any trade-offs in performance or features
• Photometric comparison data

We don't propose VE options that would fail your specification or compromise quality.

Six clear steps:

1. Initial inquiry — you send your spec, lighting layout, or project brief.

2. Proposal — we respond within 24–48 hours with recommended products, pricing, lead time, and a specification document package.

3. Sample approval (optional but recommended) — we produce and ship prototypes for on-site review and performance verification.

4. Engineering finalization — we confirm all dimensions, optics, finishes, and controls, then issue production drawings for your sign-off.

5. Production — manufacturing with full in-process quality checks and photometric testing. You get regular updates.

6. Delivery — door-to-site logistics with all certification and submittal documentation.

Every Yakeen specification-grade fixture comes with a 5-year warranty covering:

• Manufacturing defects in materials and workmanship
• LED driver failure
• LED performance — L70 / B50 lumen maintenance at rated ambient temperature

For custom and engineered fixtures, the warranty period is confirmed during the proposal stage based on application and component selection.

We stand behind our engineering — if a fixture fails within the warranty period, we diagnose the cause within 48 hours and ship replacements promptly. For active projects, we maintain spare stock for urgent replacements.

Specification-grade LED lighting refers to commercial and architectural luminaires engineered to meet precise performance criteria for professional projects. Unlike consumer or commodity lighting, spec-grade fixtures have verified photometric data, controlled color consistency (MacAdam 3-step or better), documented driver performance, thermal management validated by LM-80 testing, and published efficiency ratings. They are intended for use by architects, lighting designers, and MEP engineers who need to write them into construction specifications with confidence that the delivered product will match the documented performance.

Commercial-grade lighting is built for basic commercial use with acceptable performance and reliability. Specification-grade lighting is a higher tier designed for architectural specification — it includes full photometric testing reports (IES files), tighter color tolerances, better optical control (UGR ratings, precise beam angles), longer warranties (5+ years), premium drivers from brands like Philips Xitanium or Tridonic, and complete submittal documentation. Spec-grade fixtures can be written into project specifications with performance guarantees, while commercial-grade is typically selected by contractors based on price and basic fit.

CRI (Color Rendering Index) measures how accurately a light source renders colors compared to a reference source. CRI 90+ means the light source scores 90 or higher on the 0-100 CRI scale, indicating excellent color rendering. You need CRI 90+ in spaces where color accuracy matters: retail (especially fashion and food), hospitality (lobbies, restaurants, guest rooms), high-end residential, galleries, and healthcare facilities. For premium projects, CRI 98 with R9>50 is recommended for true museum-grade color quality. Yakeen fixtures are available in CRI 90+ standard and CRI 98 premium options.

UGR (Unified Glare Rating) is a standardized measure of discomfort glare from luminaires in an interior space. UGR<19 means the fixture produces low enough glare to be suitable for general office environments where people work at screens and on documents. Achieving UGR<19 requires deep-recessed optics, louvers, or specific lens designs — it cannot be achieved by standard flat-panel or basic downlight fixtures. For open-plan offices, meeting rooms, and educational spaces, UGR<19 is typically specified to ensure visual comfort and productivity.

IES photometric files are standardized data files that contain the complete light distribution characteristics of a luminaire — intensity values at every vertical and horizontal angle, measured in candelas. Lighting designers use these files in software like DIALux, Relux, and AGi32 to calculate light levels, uniformity, glare ratings, and energy consumption for a project. Without IES files, a designer cannot accurately simulate how a fixture will perform in a space, which means the fixture cannot be properly specified. Yakeen main product lines come with IES LM-63 format photometric files generated from goniophotometer testing at accredited third-party and partner laboratories.

SASO 2902 is the Saudi Standards, Metrology and Quality Organization's energy efficiency certification program for lighting products sold in Saudi Arabia. It replaced the original SASO certification scheme and sets minimum efficacy (lumens per watt) requirements for LED lamps and luminaires. Products must be tested by an accredited laboratory and registered through the SABER platform to obtain a Certificate of Conformity (CoC) before they can be imported into Saudi Arabia. SASO 2902 covers both energy performance and safety requirements based on IEC 60598-1 standards.

G-Mark (Gulf Conformity Mark) is a regional certification mark indicating that a product meets the technical requirements of Gulf Standardization Organization (GSO) standards. It is required for certain product categories being sold in GCC countries. For LED lighting products, G-Mark certification demonstrates compliance with Gulf standards for safety and performance. While not all GCC markets require G-Mark for every lighting product, having G-Mark certification simplifies market access across all six GCC countries (Saudi Arabia, UAE, Qatar, Kuwait, Oman, Bahrain) and is increasingly specified in large-scale government and commercial tenders.

For LED lighting products in Saudi Arabia, the primary requirements are:

SASO 2902 Energy Efficiency Certification — mandatory for most LED lighting products, registered through SABER.
SABER Product Registration — online platform for obtaining Certificates of Conformity for customs clearance.
IEC 60598-1 Safety — luminaire safety standard, required as the basis for SASO certification.
G-Mark (optional but recommended) — Gulf-wide conformity mark, often required for government and large-scale tenders.

Yakeen Lighting provides full SASO 2902 certified product lines with complete SABER registration support and documentation for Saudi projects.

SABER (Saudi Electronic System for Conformity Assessment and Clearance) is the Saudi Standards, Metrology and Quality Organization's (SASO) online platform for managing product conformity assessment and issuing Certificates of Conformity for imported goods. For lighting products, the process works as follows: (1) The registering party or provider registers the product on SABER, (2) a SASO 2902 accredited testing lab tests the product and issues a test report, (3) a certification body reviews the documentation and issues a Product Certificate of Conformity (PCOC), and (4) for each shipment, a Shipment Certificate of Conformity (SCOC) is issued. The SCOC is required for customs clearance at Saudi ports.

The typical timeline for SASO 2902 certification for LED lighting products is 3-6 weeks from sample submission to certificate issuance. This includes: 1-2 weeks for laboratory testing (photometric, electrical safety, and EMC tests), 1-2 weeks for documentation review by the certification body, and approximately 1 week for SABER platform registration and certificate issuance. Rush options are sometimes available. Yakeen Lighting maintains active SASO 2902 certifications for our core product lines, so certified fixtures can ship immediately without waiting for new certification.

Yes, we provide MOIAT (Ministry of Industry and Advanced Technology, formerly ESMA) compliance support for UAE projects. Our product lines meet ECAS (Emirates Conformity Assessment Scheme) requirements, and we provide all necessary documentation including test reports, technical files, and declaration of conformity for UAE market access. For Dubai-specific projects, we can also provide documentation supporting Dubai Municipality requirements and DEWA specifications.