Reviews Photosynthetically Active Radiation

Handheld Quantum PAR Meter Quantum Flux Meter 270 ° Rotatable Detector Measure Photosynthetically Active Radiation for Agriculture Greenhouses Growth Chambers

  • This PAR meter is used to measure photosynthetically active radiation (PAR) in the air. If you also need to measure underwater PAR, there’s another set for sale..
  • With integrated quantum sensor, it measures PAR flux in wavelengths ranging from the 400 to 700 nm and measures up to 2,700 µmol/m²·s..
  • The detector can rotate freely at 270 degrees, makes the measurement more accurate..
  • Features with peak hold function and data hold function, easy to read on large LCD screen..
  • Powered by one 6F22 9V battery (not included), can be used continuously for about 100 hours..
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VIVOSUN Hydroponic 600 Watt HPS Grow Light Air Cooled Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Buyers must peel off the inner blue protective film before using.
  • 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest....
  • UL Listed 600W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord.
  • HPS Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), superior quality & optimized spectrum to promote growth.
  • 24 Hour Plug-in Mechanical Timer Switch: Automates your lighting needs.
  • Brings convenience & encourages productive growth with consistency of....
  • US Patented 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to....
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VIVOSUN Hydroponic 1000 Watt HPS MH Grow Light Wing Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Wing Reflector: Over 90% high reflectivity aluminum（no hot-spot） ensures soonest flourish of your plants.
  • UL Listed 1000W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 600w/750w/1000w/super lumens opotional.
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure....
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VIVOSUN Hydroponic 400 Watt HPS MH Grow Light Wing Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Wing Reflector: Over 90% high reflectivity aluminum（no hot-spot） ensures soonest flourish of your plants.
  • UL Listed 400W Dimmable Ballst: Runs on 120~240V power supply, comes with 8ft 120V power cord, 150w/250w/400w/super lumens opotional.
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure....
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VIVOSUN Hydroponic 1000 Watt HPS Grow Light Air Cooled Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Buyers must peel off the inner blue protective film before using.
  • 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest....
  • UL Listed 1000W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 600w/750w/1000w/super lumens optional.
  • HPS Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), superior quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • US Patented 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to....
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VIVOSUN Hydroponic 600 Watt HPS MH Grow Light Air Cooled Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Buyers must peel off the inner blue protective film before using.
  • 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest....
  • UL Listed 600W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 250w/400w/600w/super lumens optional.
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation).
  • Great quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • 1/8" Patented Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to....
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VIVOSUN Hydroponic 1000 Watt HPS MH Grow Light Air Cooled Reflector Kit - Easy to Set up High Stability & Compatibility Enhanced Version

  • Buyers must peel off the inner blue protective film before using.
  • 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest....
  • UL Listed 1000W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 600w/750w/1000w/super lumens optional.
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • 1/8" Patented Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to....
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SunStream 600 Watt Digital Dimmable Ballast HPS MH SE Grow Lamp Bub Air Cooled Hood Reflector Set

  • 600W Dimmable Digital Electronic Ballast.
  • Stable power output to the lamp for flicker free and ultra-bright lighting.
  • Completely sealed featuring hinged glass and double gasket.
  • High quality German aluminum interior for excellent reflectivity and uniformity..
  • high quality spectrum and high PAR value (photosynthetically active radiation), boosting healthy growing and fast flourishing..
  • The set includes: SE wing reflector x1, 1000W Dimmable Digital Ballast Full (LED indictor) x1, SE HPS light bulb x1, SE MH light bulb x1, Mechanical timer x1, 1 pair 8ft adjustable ratchet rope hanger x1..
  • Ballast-3 years warranty against manufacturing defects.
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Yield Lab Horticulture 600w HPS Grow Light Wing Reflector Kit Easy Setup Full Spectrum System for Indoor Plants and Hydroponics – Free Timer and 12 Week Grow Guide DVD

  • Buyers must peel off the inner blue protective film before using.
  • 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest....
  • UL Listed 600W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 250w/400w/600w/super lumens optional.
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation).
  • Great quality & optimized spectrum to promote growth.
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings.
  • 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction.
  • 1/8" Patented Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to....
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Phantom Dual CMh Lighting System – 315W, 120V/240V – Double-Lamp Grow Lights for Indoor Plants Designed for Intense, Even Coverage​

  • Versatile plant growing: High voltage ballast is silent, reliable and energy-efficient.
  • includes USB port for Autopilot PX1 controller compatibility.
  •  dimming options on grow lights create the optimal environment for your plants​.
  • Dual reflectors: Plant light features premium multifaceted European hammertone aluminum reflector, giving excellent light uniformity and diffusion.
  • use in the standard position or rotate 90 degrees downward for tight spaces​.
  • Lighting: Plant grow light with double lamp system provides excellent PAR (Photosynthetically Active Radiation) output.
  • does not include the ceramic metal halide (CMh) grow light bulbs, which must be purchased separately​.
  • Size: Plant light for indoor plants with a 28.9-inch length, 16.3-inch width, and 10.2-inch height (each).
  • Included in the package: Phantom dual grow light system.
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Small Aquarium Underwater Ambience with Very Light Bubbling

  • FOR SCIENTISTS & SERIOUS GROWERS - Designed by world-renowned crop physiologist, Bruce Bugbee, PhD, the MQ-510 full-spectrum underwater quantum meter is the premium tool of choice among leading scientists and serious growers for accurately measuring the photosynthetically active radiation (PAR) underwater..
  • MEASURING PAR IS CRITICAL - An accurate PAR meter is critical for measuring the intensity of light used in the precision growing of plants and other photosynthetic organisms in greenhouses, growth chambers, farms, gardens, aquariums, and additional agricultural systems. Our underwater quantum meters are specifically designed to measure the intensity of light underwater for biological, chemical, and physical processes in natural waters and aquariums..
  • UNDERWATER ACCURACY - Underwater PAR measurements can read low when a quantum sensor is calibrated for air. The MQ-510 applies an immersion effect correction factor to get instant, accurate measurements underwater. Precisely measures and combines the intensity of all photons between 400 and 700 nm to give a single PAR reading in µmol m-2 s-1 within 5 % uncertainty. Unlike hobby-grade PAR meters, our meter has a ....
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Apogee Instruments MQ-500 Full-Spectrum Quantum PAR Meter & Telescopic Wand Bundle - Digital PPFD Meter for LED Greenhouse Grow Lights, Sunlight, & Plant Monitoring

  • FOR SCIENTISTS & SERIOUS GROWERS - Designed by world-renowned crop physiologist, Bruce Bugbee, PhD, the MQ-500 full-spectrum quantum meter is the premium tool of choice among leading scientists and growers for accurately measuring the photosynthetically active radiation (PAR) from all light sources. Package includes an AM-310 telescopic sensor wand that extends up to 33 inches for measuring hard-to-reach places and a neoprene carrying case..
  • MEASURING PAR IS CRITICAL - An accurate PAR meter is critical for measuring the intensity of light used in the precision growing of plants and other photosynthetic organisms in greenhouses, growth chambers, farms, gardens, aquariums, and additional agricultural systems..
  • QUALITY QUANTUM METER - Unlike cheaper LUX or footcandle sensors which are sometimes marketed as grow light meters, but are meant for measuring light for human vision, our meters feature a laboratory-grade PPFD (photosynthetic photon flux density), or “quantum,” optical detector precisely calibrated to measure the light intensity in µmol m-2 s-1 of the specific color wavelengths emitted by LEDs, HPS, MH, sunlight, and other light sources utilized by plants for photosynthesis..
  • EXTREMELY ACCURATE & STABLE - Precisely measures and combines the in....
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SANSI LED Grow Lights for Indoor Plants, Full Spectrum Plant Grow Light and High PPF, 30W Indoor Grow Lights for 2x2ft Growing, Seed Starting,Blooming and Fruiting, E26 Base (Not Include Power Cord)

  • MORE EFFECTIVE FOR PLANTS: The 30W grow lights for indoor plants offer high photosynthetically active photons of PPF: 42umol/s, PPFD:107.87μmol/s/㎡@1FT. Equipped with a lens designed with secondary scientific light distribution, which can improve light utilization and give plants more supplementary light, and improve the light lifespan to 25,000 hours..
  • SUN-LIKE GROW LIGHT FOR PLANTS: Imitate the solar spectrum Customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm.
  • Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality..
  • LONGER LIFESPAN AND HIGHER LIGHT EFFICIENCY: With SANSI Patented COC Tech, the growing light can deal in faster heat conduction and offer higher product reliability, making the SANSI light has higher light efficiency and a longer lifespan of 25,000 hours..
  • SAFE AND RELIABILITY: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0.
  • the reinforced insulation structure design, no risk of electric shock, is safer.
  • the whole shell material reaches the WF2 anti-corrosion grade, which is mor....
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