PURELED Q240 V2 - Horticultural LED panel growth and flowering

Your questions about this product

• Does the integrated dimmer allow programming of automated lighting cycles or only continuous manual adjustment?
  The integrated dimmer of the PURELED Q240 V2 offers continuous manual adjustment of the light intensity. It does not allow direct programming of automated lighting cycles. For that, a compatible external controller is required.
• Is compatibility with voice assistant for possible home automation integration, or does it require a specific controller?

  The PURELED Q240 V2 panel works natively with external controllers using a 0-10V signal, enabling advanced features such as dimming or thermal management. However, it cannot be directly controlled via a voice assistant (Google Home, Alexa) without a compatible controller or home automation interface.

  To integrate this LED panel into a home automation system with voice control, it is necessary to add a controller capable of converting voice commands into 0-10V signals. This approach ensures precise and secure management of horticultural lighting, adhering to professional standards.

• What is the light intensity in umol per square meter at 30 cm distance under the PURELED Q240 V2 panel to optimize growth in a 1 square meter space?
  The PURELED Q240 V2 panel delivers a light intensity of approximately 648 μmol/m²/s over a surface of 1 m² at 30 cm distance, assuming uniform light distribution. This intensity is ideal for effectively stimulating the growth and flowering of your plants in this space.
• Is the PURELED Q240 V2 suitable for a 60x60 cm micro-culture with precise light dimming?

  The PURELED Q240 V2 is perfectly suited for a 60x60 cm micro-culture. Its power, initially recommended for 80x80 cm, ensures excellent coverage without shadow areas on a smaller surface, guaranteeing optimal light penetration.

  Regarding dimming, this panel supports precise management thanks to its compatibility with 0-10V signal controllers. You can finely adjust the light intensity, and even integrate advanced functions such as simulating sunrise and sunset or automatic reduction in case of overheating, for control tailored to each cultivation phase.

  In summary, this panel offers both homogeneous coverage and sophisticated dimming, ideal for perfectly mastering the lighting of a micro-culture.

• Is the manual dimmer really reliable in the long term or does it start to bug after a few months of intensive use?
  The integrated manual dimmer of the PURELED Q240 V2 is designed to provide smooth and precise adjustment of light intensity, ideal for the various stages of cultivation. According to user feedback after intensive use, this adjustment remains reliable and does not present any bugs after several months. Its robustness is also supported by a manufacturer warranty of up to 5 years, a sign of durable quality. In short, you can rely on this dimmer to adjust the power without worry in the long term.
• What is the range of manual light intensity regulation on the PURELED Q240 V2 panel, and can it be finely adjusted to manage the differentiation between growth and flowering?

  The PURELED Q240 V2 panel offers a continuous and progressive manual light intensity regulation via an integrated dimmer. This adjustment range presumably covers an adjustment from very low power to the full power of 240W, allowing for precise and smooth control.

  This fine adjustment is ideal for differentiating growth phases: a moderate intensity is perfect for growth, while a higher intensity promotes flowering, without changing equipment or lamps. This flexibility ensures optimal management throughout the plant's cycle.

  For even more precise management, it is also possible to connect an external controller (not provided), offering advanced functions such as sunset/sunrise simulation or thermal management.

• What is the average electrical consumption in kWh for a complete session with the PureLED Q240 V2 panel over 1m² and what yield in µmol per joule is actually achieved over time?

  The PureLED Q240 V2 panel consumes on average 240 W during operation, which is 0.24 kW. For a complete session of 12 hours per day over approximately 1 m², this represents an electrical consumption of about 2.88 kWh per day. Over several weeks of cultivation (6 to 8 weeks), simply multiply this number by the number of days to obtain the total consumption.

  In terms of light efficiency, this panel achieves an excellent real rate of 2.7 µmol/J, meaning it produces 2.7 micromoles of photons useful for photosynthesis per joule of energy consumed. This level of efficiency is stable over time and ideal for optimizing growth and flowering under LED over an area close to 1 m².

• What is the maximum temperature generated by the PURELED Q240 V2 panel during continuous operation over an area of 100x100cm and how to optimize heat dissipation without additional fans?

  The PURELED Q240 V2 panel operates ideally in an ambient temperature of up to 35°C. Although the precise temperature emitted directly on a 100 x 100 cm surface during continuous operation is not specified, its design includes an effective aluminum heat sink and low-heat-emission LEDs, which limits overheating.

  To optimize heat dissipation without additional fans, it is recommended to:

  • Install the panel on a metal support to facilitate heat dissipation.
  • Leave a space behind the panel to ensure good natural air circulation.
  • Use power control (dimming 0-10V) to reduce intensity and thus heat when possible.
  • Mount the panel about 30 cm away from the plants, ensuring adequate clearance above.
  • Keep the panel clean, free of dust, to maintain the effectiveness of the integrated heat sink.

  These precautions ensure optimal thermal management and excellent operational stability of the PURELED Q240 V2, even in intensive cultivation.

• What is the maximum temperature that the PURELED Q240 V2 panel can withstand in continuous operation without performance degradation?
  The PURELED Q240 V2 panel can operate continuously without performance degradation at a maximum ambient temperature of 35°C. Beyond this limit, its electrical and luminous performance may degrade.
• What is the optimal PPFD curve for the PURELED Q240 V2 panel at full power over an area of 100x100 cm?

  The precise PPFD curve for the PURELED Q240 V2 panel at full power over an area of 100x100 cm is not directly available. This panel is optimized for a cultivation area of 80x80 cm, with a light efficiency of about 2.7 mol/J, ensuring a homogeneous and powerful light distribution over this area.

  Beyond this recommended area, the PPFD will decrease at the edges, which may affect the uniform growth of your plants. For optimal cultivation, it is therefore advisable to stay within the 80x80 cm area and to adjust the height of the panel to achieve a good balance between intensity and light uniformity.

• Pureled Q240 V2 compatibility with 80x80 box: sufficient yield and optimal coverage?

  The PURELED Q240 V2 is fully suitable for an 80 x 80 cm grow box. With its coverage optimized for this area, it ensures uniform and effective lighting. Its output of 240W and its efficiency of 2.7 mol/J guarantee a complete spectrum, perfectly balanced for the growth and flowering of your plants.

  Additionally, it is compatible with an external controller to precisely manage light cycles, which can really optimize your results. It’s an excellent choice for an 80 x 80 cm installation, efficient and versatile.

• How can I optimize the use of the dimmer to adjust the light intensity of the PureLED Q240 V2 according to different varieties in the same room?

  To optimize the use of the integrated dimmer of the PURELED Q240 V2, you can manually adjust the light intensity to match the power requirements of each variety in the same room.

  For more precise and automated control, this panel is compatible with 0-10V controllers that allow programming different light profiles or applying distinct intensities based on the cultivation zones, ideal for varying the lighting between multiple plants.

  Finally, for optimal light distribution, it is advisable to use multiple panels if necessary, adjusting the dimmer of each to meet the specific requirements of each crop while saving energy through fine modulation of the intensity.

• Can two PURELED Q240 V2 panels be synchronized in parallel with a single external controller to manage light cycles and intensity changes together?

  Yes, it is entirely possible to synchronize two PURELED Q240 V2 panels with a single external controller using a 0-10V output. This type of control allows for simultaneous management of the light cycles and intensity of both panels.

  It is sufficient for the controller to support the electrical load and the management of multiple outputs or to be able to distribute a 0-10V signal across multiple panels in parallel. In practice, for two Q240 V2 panels, most horticultural controllers on the market handle this without any issues.

  However, be sure to check the compatibility and electrical specifications of the controller used to avoid any overload on the control output.

• What is the difference in efficiency and light uniformity between the PureLED Q240 v2 and the Q320 v2 for a space of 100x100 cm?

  For a space of 100x100 cm, the PureLED Q320 V2 is more suitable due to its higher power (320 W) and superior light intensity (864 µmol/s versus 624 µmol/s for the Q240 V2). Both panels have a similar efficiency of 2.7 µmol/J, ensuring good energy conversion, but the Q320 V2 offers optimal light uniformity over this surface, with no shadow areas.

  The PureLED Q240 V2 is excellent for smaller spaces, around 80x80 cm, and remains usable on 100x100 cm with good intensity, but the uniformity and penetration will be less optimal than on the Q320 V2 in this specific case.