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Lumatek HPS 250 Watt
The Lumatek HPS 250 Watt is a pulse-start grow lamp featuring a high-grade PCA ceramic arc tube, engineered specifically for the high operating frequency of Lumatek electronic ballasts. It delivers 33,000 lumens at 132 lm/W with a measured PPF of 400 µmol/s, confirming its high photosynthetic conversion efficiency at a 2000K colour temperature. The reinforced construction with strengthened seals and a robust arc frame ensures stable and consistent output across the full 28,000-hour rated lifespan. A cost-effective and technically advanced option for compact indoor grow spaces requiring reliable E40 HPS lighting. Order from our Belgian growshop with fast delivery.
Lumatek HPS 250W – PCA Ceramic Pulse-Start Lamp for Precision Indoor Growing
Lumatek takes a system-level approach to HPS lighting: their lamps are tuned to the ultra-high operating frequency of Lumatek digital ballasts, creating a matched system that outperforms generic lamp-ballast combinations. The 250W variant brings this integrated philosophy to compact grow setups without compromising on technology or build quality.
PCA Ceramic Arc Tube Technology
The defining feature of every Lumatek HPS lamp is its PCA ceramic arc tube. Unlike conventional quartz tubes, PCA ceramic operates at significantly higher internal temperatures, which improves colour rendering, luminous efficiency and spectral output. Critically, PCA ceramic resists chemical interaction with the internal gas blend, which means the chemical mix remains stable over the lamp's entire lifespan. This directly translates to consistent PAR/PPF values from first ignition to end of life.
Key Performance Metrics
The Lumatek HPS 250W outputs 33,000 lumens at 132 lm/W, with a PPF of 400 µmol/s. The 2000K colour temperature produces a warm red-dominant spectrum suited primarily for flowering, though the lamp performs adequately across the full growth cycle. Pulse-start technology ensures faster ignition, quicker restrike after cool-down and improved lumen maintenance over time compared to conventional probe-start lamps.
- 28,000-hour rated life: substantially exceeds industry averages, reducing replacement frequency and long-term operating costs.
- Reinforced construction: strengthened seals and arc frame engineered for high-frequency electronic ballast operation.
- PPF 400 µmol/s: a direct measurement of photosynthetically usable light output for data-driven grow planning.
Compatibility Notes
The lamp uses a standard E40 base and operates with both magnetic and electronic 250W ballasts. Lumatek recommends pairing with their own ballasts for optimal spectral stability and maximum lifespan. Pair with a quality reflector to ensure even canopy coverage across your grow area.
Order the Lumatek HPS 250W from Plant & Flower for fast delivery across Belgium. Browse our full selection of 250W HPS lamps to compare options.
What advantage does the PCA ceramic arc tube provide in the Lumatek HPS 250W?
The PCA ceramic arc tube operates at higher internal temperatures than conventional quartz tubes, resulting in improved luminous efficiency and colour rendering. Its chemical resistance prevents degradation of the internal gas blend, maintaining stable PAR/PPF output across the full 28,000-hour rated lifespan. This makes the Lumatek HPS a measurably more consistent light source than standard HPS alternatives.
