SKU: 47104358995

Apogee Instruments MQ-500 Full-Spectrum Quantum Meter

$405.00 $450.00
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Description

Apogee Instruments MQ-500 Full-Spectrum Quantum MeterMeasures photosynthetically active radiation. Hand held meter displays and stores measurements. Sensor features blue enhanced silicon photodiode and custom optical filters. Designed for PPFD measurement in various environments: outdoor, greenhouses, growth chambers. Ideal for aquatic environments like saltwater aquariums for coral growth. Features sample and log modes. Sample mode records up to 99 manual measurements. Log mode averages measurements

  • Measures photosynthetically active radiation.
  • Hand-held meter displays and stores measurements.
  • Sensor features blue-enhanced silicon photodiode and custom optical filters.
  • Designed for PPFD measurement in various environments: outdoor, greenhouses, growth chambers.
  • Ideal for aquatic environments like saltwater aquariums for coral growth.
  • Features sample and log modes.
  • Sample mode records up to 99 manual measurements.
  • Log mode averages measurements every 30 minutes.
  • Data can be reviewed on LCD or downloaded to a computer.
  • Requires AC-100 communication cable and ApogeeAMS software for computer download.
  • 6.5 foot (2 meter) cable lead.
  •  Full-Spectrum Quantum Meter (400 nm to 700 nm), 6.5' (2 m) Cable Lead

 

The MQ-500 Full-Spectrum Quantum Meter from Apogee Instruments® is the tool of choice for scientists all over the world to accurately measure photosynthetically active radiation from all light sources. It has a hand-held meter—attached via cable—that displays and stores measurements. The sensor incorporates a blue-enhanced silicon photodiode and custom optical filters with a rugged, self-cleaning sensor housing design, anodized aluminum body with acrylic diffuser.

 

Typical applications include PPFD measurement over plant canopies in outdoor environments, greenhouses, and growth chambers, and reflected or under-canopy (transmitted) PPFD measurements in the same environments. Quantum sensors are also used to measure PAR/PPFD in aquatic environments, including salt water aquariums where corals are grown.

The MQ-500 meter has a sample and log mode, and will record an integrated daily total in mol m-2 d-1. Sample mode will record up to 99 manual measurements. Log mode will power the meter on/off to make a measurement every 30 seconds. Every 30 minutes the meter will average the sixty 30 second measurements and record the averaged value to memory. The meter can store up to 99 averages. Once full it will start to overwrite the oldest measurement with new ones. An integrated daily total will be recorded from the 48 averaged measurements (making a 24 hour period).

Sample and log measurements can be reviewed on the LCD display or by downloading the data to a computer, however, the integrated daily total can only be viewed by downloading the data to a computer. Downloading data to a computer requires the AC-100 communication cable (a standard USB cable will not work) and ApogeeAMS software.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery 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: 47104358995

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4.5 ★★★★★
Based on 9 reviews
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KEENAN
Fort Morgan, US
★★★★★ 4
Cute
Beautiful but a little too light for me like a little more heaviness
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
H
Honey Bawa
Whiting, US
★★★★★ 5
Super Cozy & Stylish – My New Favorite Throw Blanket
I recently got this brown leopard print throw blanket, and it quickly became one of my favorite cozy essentials at home. The first thing that stood out to me was the trendy animal print design—it adds a bold, stylish touch to my living room and makes my couch look instantly more put together. The material is incredibly soft and plush. It has that fluffy flannel feel that’s perfect for snuggling, whether I’m watching TV, reading, or just relaxing. It’s warm without being too heavy, which makes it great for using all year round. I also really like the size (60" x 80")—it’s big enough to fully wrap around me or share when sitting on the couch. It works just as well on the bed as it does as a decorative throw. Another plus is how lightweight and easy to carry it is. I’ve even taken it along for road trips, and it’s been perfect for staying comfortable on the go. If I had to point out one small downside, it’s that lighter-colored fabrics can show wear over time if not cared for properly, so I make sure to wash it gently to keep it looking fresh. Overall, I’m really happy with this blanket. It’s the perfect mix of comfort and style, and it adds a cozy, fashionable vibe to any space. Definitely a great pick if you love soft textures and bold décor!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
B
Brandon Pittman
Lowell, US
★★★★★ 5
Soft, Warm, and Holds Up Well After Washing
We grabbed this primarily for couch lounging and it has been a regular rotation blanket since it arrived. The softness is legitimate, not the kind that feels good out of the packaging and then stiffens up after a wash or two. It has gone through the machine multiple times and both the texture and the leopard print have held up without fading or pilling. The 50 by 60 inch size is a comfortable fit for one person stretched out on the couch. It is warm without being heavy, which makes it practical across seasons rather than just winter. The print looks sharp and adds some personality to a living room without being over the top. For a throw blanket at this price, the quality is better than expected and it has earned a permanent spot on our couch. If you are looking for something soft, visually interesting, and durable enough to actually use regularly, this one delivers.
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Reviewed in the United States on May 12, 2026
C
Canadian reviewer
Dallas, US
★★★★★ 5
Pretty good blanket. Slightly larger than normal throw.
I purchased this leopard print throw blanket because you can get it in twin size and twin size is a lot more usable in not only a bed but also on a couch. Like if you have two people sitting next to each other, it's a lot easier to use the twin size than a throw size, which I feel is a little bit cramped. In addition to that, I saw in the picture that this looked almost like fur. Now when you look at it in person, you can clearly tell it's not for it's got almost like a a spotted pattern even with the spots. And while I don't know if leopards actually look like that, certainly at a distance, it feels a lot more accurate than things that are only vaguely leopard printed like the the common pink ones, as you can see here in the other variety. But certainly the Brown leopard one looks good. Plus, it is comfortable and pretty soft. It's softer on one side than another side, but only slightly and while it's rolled over and stitched at the edges, it is a single layer throughout. So it's not going to give you a ton of warmth. But I will give you some warmth, you know just enough to be nice and that means you can use it year round. So overall at this price for a twin size leopard print throw. I think this is a good deal. Well I think it could be a better deal. I've certainly seen worse so I think I could recommend this product
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Reviewed in the United States on March 27, 2026
M
Mona Peters
Fort Morgan, US
★★★★★ 5
Pink cheetah blanket
Color: Pink Leopard, Size: Throw(50" x 60")
I recently got this pink cheetah print throw blanket, and honestly, it’s such a fun and cozy addition to my space. The first thing that stood out to me was the design—the pink leopard print is super cute and adds a pop of personality to my couch without being too overwhelming. The material is really soft and lightweight, which makes it perfect for everyday use. It’s warm enough to keep me comfortable while lounging or watching TV, but not too heavy where it feels bulky. I also like that it’s easy to fold and move around, whether I’m using it in the living room or taking it to bed. Size-wise (50” x 60”), it’s a good throw size—great for one person, though if you’re looking to fully wrap up, it might feel a bit small. The quality feels decent for the price, and it seems to hold up well after use without shedding. Pros: • Super soft and cozy • Cute, trendy design • Lightweight and easy to use • Good value for the price Cons: • Slightly small if you want full coverage • Not the thickest blanket for colder nights Overall, I’d definitely recommend it if you’re looking for something stylish, comfy, and affordable to decorate your space while staying cozy.
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Reviewed in the United States on April 4, 2026

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