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TECHNOLOGY

What our products do and how they do it.

The determining factor for which product model is best for your operation is dependent upon your goals and environment. There are numerous variables that will determine which product is best for your growing environment. We have compiled a high-level summary below to help you decide. Indoor? NXGLID models are ideal for indoor environments. If you have a vertical rack system, grow throughout your room, we recommend one NXGLID-VG for veg and NXGLID 2X2-BL for bloom for every 4’x4’ of canopy. If you have a wide-open room (i.e. sea of green) we recommend NXGLOD.. Please contact us for a free lighting design consultation to determine the appropriate number and placement. Greenhouse? NXGLOD-GH was incepted from the ground up for a greenhouse environment. The exact number of fixtures and model is dependent on your geographic location, crop type and growth goals. Please contact us for a free lighting design consultation.
All Nexsel systems are passively cooled using natural convection without the need for a fan. We do not believe in installing cooling fans inside LED fixtures. On average, LEDs should yield approximately 50,000 hours of useful life. However, no fan is going to last this long in wet/damp/harsh/dirty environments typical in horticulture environments. If the fan fails after 10,000 hours, the LEDs would fail shortly after. In addition, fans require energy to operate, and fans don’t grow plants. We prefer every joule of energy go toward photon emission. Hence, we do not believe this is an acceptable engineering design for LED fixtures.
Yes, all lighting systems produce heat, but our systems dissipate the heat differently than other LED systems, fluorescent or HID (i.e. metal halide) lighting systems. Fluorescent and HID lighting systems largely rely on radiative heat transfer from the front side of the fixture. This is why you can feel the heat if you place your hand in front of these lighting systems. This is compounded by the aluminum reflectors that are commonly used in these systems, and this can have a substantial impact on the temperature at canopy level. Nexsel systems rely on conduction and convection as the main heat transfer methods. This is why the heat sink on back of our fixtures will feel warm/hot. Since convection is carrying the heat away from the fixture from the top of the fixture, your canopy temperature will be minimally impacted compared to using a fluorescent and/or HID lighting system.
This depends on the air temperature and air velocity around the fixture. If you have air flowing around the lights, they will barely feel warm. However, if the air surrounding the fixture is hot or there is very little air movement, the fixture will feel very hot. This is normal because the fixture housing draws heat away from the LEDs by design. However, these are high-power lighting systems, so we do not recommend touching them.
μmol/J stands for micromole per Joule. It is a measurement to determine how efficient a light is at converting electrons into photons. Nexsel lighting systems are some of the most efficient on Earth. They are also some of the most powerful. It’s the balance between the two that we strive for real-world application. More on this later.
A light’s color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal light source (i.e. the sun). This value is not important to how a plant responds or photosynthesizes. Where CRI is important is how well you can tell the true color of something, for example a leaf that might be chlorotic (lacking green). When you have an ideal CRI it is easier to detect color variations that might be indicating poor plant health. HYGL8 has a CRI of 85. For comparison, HPS has a CRI of 25.
Plants are photoautotroph's – using a narrow band of light between 400nm -700nm as a source of energy to make food molecules from carbon dioxide and water. This process is photosynthesis (the most important chemical process on Earth). The only type of light which enables photosynthesis is defined as Photosynthetically Active Radiation (PAR): the narrow band of light between 400nm – 700nm. Light outside of this range is not photosynthetically active and will not generate greater biomass for those seeking improved yield.
An electronic light source converts electrons into photons. Lights for human vision measure output with lumens (measured in lux or footcandles). Lights for photobiological reactions measure output with photosynthetic photon flux (PPF). PPF tells us how much PAR a light source emits. Where PPF measures total PAR output of a lighting system, PPFD measures how much of that light is delivered to a canopy.
Before light can be effective in a photochemical reaction (whether photosynthetic or photomorphogenic), it must first be absorbed. Photosynthetic Photon Flux Density (PPFD) is the measurement of PAR delivered to a specific area. It is expressed as micromole-per-meter squared-per second (μmol/m2/s). This is the only measurement that informs us of the amount of light being delivered to a crop which enables photosynthesis.

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Nexsel Tech Pvt Ltd. (“Nexsel”) warrants its light emitting diode (LED) luminaries, to be free from defect in material and workmanship (the “Limited Warranty”) for a period of two (2) years from the date of shipment from Nexsel facilities with standard warranty, or a for period of three (3) years from date of shipment from Nexsel facilities if the purchaser elects to purchase the optional extended 3-year warranty.  

Nexsel warrants its dimmers and other LED Luminaire controlling products (“Spectrum Controllers”) to be free from defect in material and workmanship for a period of one (1) year from the date of shipment from Nexsel facilities. 

This Limited Warranty applies only when the LED Products are installed in applications in which ambient temperatures are within the range of intended operating temperatures. Nexsel will not be responsible under this Limited Warranty for any failure of the LED Products that is a result of external causes such as acts of nature; physical damage; environmental conditions; vandalism; fire; power failure, improper power supply, power surges or dips, or excessive switching; induced vibration; animal or insect activity; fault or negligence of purchaser, any end user of the LED Products or any third party not engaged by Nexsel; improper or unauthorized use, installation, handling, storage, alteration, maintenance or service or failure to comply with any applicable codes and/or recommendations.

Fluence will also not be responsible under this Limited Warranty for any substantial deterioration in the fixture finish that is caused by failure to clean, inspect or maintain the finish of the LED Products. If the LED Products are used on existing foundations, anchorages or structures, the end user is solely responsible for the structural integrity of such existing foundations, anchorages or structures and all consequences arising from their use. Adequate records of operating history, maintenance, and/or testing must be kept by the end user and provided to Nexsel upon request to substantiate that the LED Products have failed to comply with the terms of this Limited Warranty.

This Limited Warranty only applies to commercial sales through the Nexsel office, or through authorized distributors or retailers

This Limited Warranty extends only to the LED Products as delivered to, and is for the sole and exclusive benefit of, the original end user of the LED Products at the original location. This Limited Warranty may not be transferred or assigned by the original end user. The repair or replacement of any Products or component part within the LED Luminaire(s) is the sole and exclusive remedy for failure of the Products to comply with the terms of this Limited Warranty and does not extend the Limited Warranty period. Warranty claims regarding the Products must be submitted in writing within (30) days of discovery of the defect or failure to an authorized Nexsel post-sales or customer service representative.

You can order our products by sending mail on sales@nexsel.tech, before placing any order please go through our catalog on website. For more discussion you can call on 098817 98822
Upon submission of your order you will be sent a confirmation email detailing the products that you ordered and all invoicing / shipping information. If there are any errors or problems with your order, please contact us immediately on sales@nexsel.tech
Due to the number of combinations available, we build every fixture to order on a FIFO basis (First In / First Out) basis. The lead time projection for production is based on our previous experience with getting inventory for this item from our suppliers, or our typical production lead times. The lead time projection is our best estimate, is not guaranteed and is subject to change or correction. Delivery time - 15-30 days from Advance

All products are shipped FOB from our facility in Pune, India

Shipping & Handling Costs

Shipping costs are based on current rates as published by the specific shipping carrier.

You can do NEFT on mentioned bank details in Performa Invoice .

If you pay by bank cheque, simply mail your cheque to our address. Once we receive the payment, we will start production on your order.

We are unable to accept COD orders at this time.

Term accounts are available to qualifying organizations. With some exceptions, we typically require a few pre-paid orders to establish order volume and frequency trends before we are able to offer terms. Please contact us for more details.

Our terms are Net 30 and are strictly enforced. We will not be able to process any order if your account is not up to date.

All pricing is based on INR (Indian Rupees) and is subject to change without notice

Discount/Free Shipping

From time-to-time we may offer discounted or free shipping based on the purchase value of your order.

Delivery times estimated based on 3rd party confirmation. These times are provided by the 3rd party shipping companies, are NOT guaranteed and can take longer on occasion. It has been our experience that while the shipping times provided by the 3rd party shipping companies are usually fairly accurate, there will be occasions where it will take longer. If you need your order be a specific date, we recommend that you use an Expedited or Express option instead.

Since we build orders on a first come, first serve basis, we are not able to expedite any orders.  We want to be fair to all customers, and if we expedite one order, it means someone is going to get bumped down the schedule.

We will accept International orders from most countries. We can ship to you via FedEx, DHL and USPS. Duties and brokerage charges may be assessed by your counties customs service and the shipping company, and these charges are the buyer’s responsibility.

If we have not started production on your order, you can cancel without penalty. Once we start production, orders may not be cancelled. To cancel an order, please send an email message to sales@nexsel.tech

Since all lighting systems depreciate with use (including the sun), we do not accept returns or exchanges on any lighting products. We do offer a warranty and guarantee to our products for two years: click here to see our warranty policy.

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