Why need to run burn-in test / aging test before shipping? The reason quite simple. LED factories perform factory aging, which is simply a punishment for new lamps. Think about it, the lamps just off the assembly line may look shiny, but there may be something fishy inside. burn-in test is to expose defective products.
Value for Growers: Protecting Crop Cycles
Spectral Stability Assurance
In plant factories, wavelength deviations exceeding ±5nm (e.g., 450nm blue/660nm red) disrupt photomorphogenesis. Burn-in testing weeds out fixtures with spectral drift, preventing issues like delayed strawberry flowering or lettuce etiolation.
Zero Instant Failure Risk
Continuous lighting is vital for photoperiod-sensitive crops. Burn-in eliminates early driver failures, ensuring 72+ hours of uninterrupted operation. U.S. vertical farm data shows untested fixtures had a 3% failure rate within the first week, risking entire crop yields.
Illumination Maintenance Control
Certified fixtures must maintain >90% photosynthetic photon flux (PPF) over 10,000 hours. Burn-in identifies poor thermal management, preventing catastrophic light drops during critical growth phases.
Qualification Test
Each lights must passed burn-in test then be put on the market. If not the lights is not inspected, quality might be a issue.
Value for Buyers: Mitigating Commercial Risks
Compliance with Global Certifications
UL8800 mandates ≥1,000 hours of accelerated aging for horticultural LEDs. Non-compliant products face EU/US market bans.
DLC Horticultural requires PPF comparison data pre-/post-burn-in for certification.
Avoiding Liability Claims
A Canadian distributor faced $2.3M in penalties after untested fixtures caused THC anomalies in cannabis via capacitor failure-induced flicker.
Extended Warranty Feasibility
Fixtures subjected to 72-hour high-temperature aging (55°C/85% RH) enable 5-year warranties. AgriLight (Israel) reduced client maintenance costs by 62% using this protocol.
Key Burn-in Test Parameters for Grow Lights
| Test Item | Horticultural Requirements | Industry Standards |
|---|---|---|
| Spectral Consistency | <2% PPF variation (400-700nm) | ANSI/ASABE S640 |
| Thermal Cycling | -30°C to +60°C (greenhouse simulation) | IEC 60068-2-14 |
| Humidity Aging | 85°C/85% RH, 500 hours | JESD22-A101 |
| Current Stress | 120% overdrive (grid fluctuation) | LM-80-20 |
Industry Warning Cases
Mexican Supplier Recall: Skipped burn-in caused 2,800 fixtures to fail in a Saudi date palm project, blacklisting the brand in Middle Eastern markets.
Procurement Checklist
Demand timestamped burn-in videos from suppliers.
Verify spectrometer models (e.g., Ocean Insight HDX, Apogee PS-300) in test reports.
Prioritize PPF maintenance data at 50% of rated lifespan.
Burn-in testing is the life insurance for horticultural lighting – it ensures your investment won't "black out" during a crop's make-or-break growth phase.