SKU: 92912791935

GROWFASTER Z-240 Bar Grow Light 240W

Sale price$161.10 Regular price$179.00
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Description

GROWFASTER Z-240 Bar Grow Light 240WHigh efficiency custom designed quantum bars with Samsung LM281B+ diodes and best in class Mean Well driver. Custom spectrum makes this Lights super efficient in relation to energy consumption and productivity. Major spectrum settings is 3000K+5000K+mix Red660nm+IR730nm+ UV395nm, full spectrum for optimal canopy penetration. The lamps meet the criteria of the latest observations from the field of photomorphogenesis. And in tests it shows impeccable

 High-efficiency custom-designed quantum bars with Samsung LM281B+ diodes and best in class Mean Well driver.
Custom spectrum makes this Lights super efficient in relation to energy consumption and productivity. Major spectrum settings is 3000K+5000K+mix Red660nm+IR730nm+ UV395nm, full-spectrum for optimal canopy penetration. The lamps meet the criteria of the latest observations from the field of photomorphogenesis. And in tests it shows impeccable growth rates of flowering plants and a large weight of produced resin in inflorescences. 
 

Our light has 2 variants when difference only in installed diodes:
In first version we using Chip Samsung LM281b+ 179.00$
In second version we using chips Samsung LM301H EVO 259.00$

Lumen comparison
240W LM301H : 42070 lm
240W LM281B+ : 37403 lm


 

         

 UV IR Separated switch control. Different grow stage need the differently spectrum.IR helps improve stem growth, as well as helps increase the number of flowers and fruits. and UV at a certain time can help to increase the THC and CBD.

 Reliable passive-cooled design (no cooling fans required) · Optional canopy penetration with diffused light via a large form factor · Reliable dimmable high-efficiency Mean Well driver / Inventronics driver.

This light also supports daisy chain and Smart Light Control.


 

The GF-2000 Ultimate Series Bar Grow Light design is designed to reduce shipping weight by 30%

             

Z-240
Spectrum
Full Spectrum (390nm-730nm )
Light Source
Original Samsung LM281B+ (5000K+3500K + Epistar 660nm +IR730nm +UV 395nm)
LED quantity
LM281B+ 5000K: 168pcs; 3000K: 336 pcs;  Epistar 660nm : 72 pcs;  730nm: 8pcs; 395nm: 8pcs
Efficiency PPF
2.76 μmol/s
PPFD
1360 μmol/S/m2@ 30cm height
UV IR
Switch Independently Control
Power
240W
Voltage
AC100-240V, 277V ,50 / 60 Hz
Driver
Meanwell XLG-240-H-AB/ US Plug
Dimming
Knob Digital Dim 0-100%
Veg &Flowering Footprint
2x2 3x3 sq ft grow area
Mounting Height
12" - 20" (30cm - 50cm ) Above the Canopy
Warranty 
 5 years                                      
Life span    
50000 hours                                     

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 92912791935

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Rory Derrick
Waukegan, US
★★★★★ 5
Good book
Format: Paperback
Still working through it but I have no complaints. I have a shelf of no starch books and have not been disappointed by any. Some, of course, are better than others but this is a good book.
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Reviewed in the United States on December 2, 2021
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Cory P.
Los Angeles, US
★★★★★ 5
Dive into Algorithms is more like eating a Parfait than trying understand algorithms!
Format: Paperback
Seriously though great writing and explanation along with great history lessons. Also highly recommend for anyone working in the data science field.
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Reviewed in the United States on August 3, 2021
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Frank Gonzalez
Dallas, US
★★★★★ 3
Ok content, not great explanations (2.5 our of 5 stars)
Format: Paperback
I found the contents of this book to be simply ok: either too simple, or the more complicated algorithms and concepts would not be as carefully explained as they should have been. It is not a terrible book, but it feels as though the author did not go over many drafts/iterations of this work.
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Reviewed in the United States on April 7, 2024
I
Ira Laefsky
Lake Worth, US
★★★★★ 5
An Excellent Self-Discovery Approach to Learning Algorithms
Format: Paperback
I have an Ivy League Master's Degree in Computer Science although it was accomplished 35 years ago. Of course, I had to complete an ACM-type course in Algorithms and Data Structures on the undergraduate and graduate level and managed to by rote accomplish enough to satisfy these courses. But until seeing this great book I never had the feeling of gaining an understanding of the approach to learning and building algorithms and the extent to which it is an important component of all programs. By a journey of guided self-discovery the author shows, not only the necessity of algorithms and their canonical forms, but a path to understanding the construction of algorithms to accomplish common and not so common practical problems. These range from the simple to understand, e.g. implementing Russian Peasant Multiplication, to advanced and up to date topics like Machine Learning. The highest praise I can give this book is that as a journey of guided self-discovery it produces an understanding in the reader of the process of constructing and understanding these algorithms and their place in all programming.
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Reviewed in the United States on February 7, 2021
S
Susan
Massapequa, US
★★★★★ 5
Easy to understand, makes algorithms exciting again!
Format: Kindle
Dive Into Algorithms speaks to me directly as a very intrepid beginner myself. I was given another "learn Python" book several years ago and it languishes on a shelf undisturbed to this day. Dive Into Algorithms had me hooked by the first parfait recipe. Mr. Tuckfield explains concepts in such a way that any student can learn something. The history, physics, cooking, and math lessons teach us that algorithms are everywhere, and they're not big scary 'big data' monsters out to ruin us. Instead, they're tools to help understand the world around us. This book has made me excited about programming again. Thank you.
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Reviewed in the United States on January 28, 2021

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