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Description
ppfd for indoor plants PAR-414 Full-Spectrum Quantum PAR Meter Waterproof Sensor IP68 for Aquarium Reef Tank Plants PPFD Tester Indoor Plants, Garden, Farm, Hydroponics Photosynthetic ActivityThis Full Spectrum Quantum meter device is equipped with a waterproof sensor. It is used to gauge the flux of Photo Synthetically Active Radiation (PAR) within the wavelength range of 400 to 700 nanometers (nm). PAR indicates the crucial spectrum of light essential for initiating photosynthesis in plants. Plants harbor pigments known as chlorophylls, which capture photons falling within a particular range of wavelengths. These photons serve as the
This Full Spectrum Quantum meter device is equipped with a waterproof sensor. It is used to gauge the flux of Photo Synthetically Active Radiation (PAR) within the wavelength range of 400 to 700 nanometers (nm). PAR indicates the crucial spectrum of light essential for initiating photosynthesis in plants.
Plants harbor pigments known as chlorophylls, which capture photons falling within a particular range of wavelengths. These photons serve as the requisite energy source for photosynthesis, the process through which plants convert light energy into chemical energy, thereby fueling their growth and development.
Utilizing a Quantum Meter to measure PAR flux allows researchers and horticulturalists to evaluate the intensity of light conducive to photosynthesis. This data is important in horticultural research and the monitoring of plant physiology, as it enables the optimization of growth conditions, the maximization of photosynthetic efficiency, and the assessment of overall plant health and productivity.
Features:
- IP68 Waterproof sensor
- Large LCD display with data logging function
- HOLD Function
- The sensor has a ¼" screw mount for the tripod and selfie stick and tripod compatibility
- Mode Selection - CALI (calibration)/ LOG (data logging)/ RCFS (restore factory setting)
Specifications:
-
PPFD Measurement
- Repeatability: ±1 μmol/m²/sec
- Measurement Range: 0~4000 μmol/m²/sec
- Display Resolution: 0.1 μmol/m2/sec (0~999); 1 μmol/m²/sec (1000~4000)
- Cut-On Wavelength: 400 ±10nm
- Cut-Off Wavelength: 700 ±10nm
- Data logging function: record up to 100 groups of data
- Waterproof Level: IP68
- Power Requirements: 2 x AAA batteries
- Operating Environment: 32°F to 122°F (0°C to 50°C); 0~95%, non-condensing
- Storage Environment: -4°F to 140°F (-20°C to 60°C); ; 0~95%, non-condensing
- Dimension:
- Main Unit: 115 x 60 x 24mm
- Sensor Unit: 30 x 40mm
- Weight: approx. 173g (without batteries and extension rod)
Set Includes:
- 1 x Par Meter Main Unit
- 1 x Par Meter Sensor with 1/4" Screw mount
- 1 x 79'' Cable
- 1 x Extension Rod with 1/4" Screw
- 2 x AAA batteries
- English Instruction Manual
- Standard Factory Packaging
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1088 reviews
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Product Reviews
★★★★★ 5
Super Cute Sponges for kids!
Color: Frog&strawberry, Color: Frog&strawberry
This is a pack of super cute kids bath sponges. These are sponges attached to loofahs that have a loop on them and can be hung to dry. These are shaped, One looked like a frog and the other like a strawberry making this pack accommodate both boy and girls. These sponges work very well and feel like they're made of a decent quality. The sponge area is very soft and the loofahs feel well made. These are a perfect size for the kiddos. These do a good job at lathering up the suds for the little ones. These also feel like they have a good durability and don't feel like they're gonna fall apart anytime soon. These are super cute and would make a great gift as well.
The value on this is not very expensive. These are affordable especially for gifting. giving this an expected value in my opinion and at the time of this review.
Overall, these sponges are super cute and would make a fantastic gifts for little ones. I would have no issues recommending these.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Very functional, and lots of fun for little kids. Gentle enough for their skin, too.
Color: Frog&strawberry
These are so awesome. Two of them come in a box. There's a frog one and a strawberry one. They are inside individual zip lock bags inside the box. There's a scrubbie/loofa (not a natural one, just the plastic webbing type) on one side, and cloth-covered plushie/sponge on the other side that is the strawberry/frog. My granddaughter loves them. She can use them to clean and scrub herself, just like a big girl, but with a fun sponge/scrubby that she likes, so she always knows that there's a special one that is just hers. They absorb plenty of water and soap, and are good for cleaning their whole body. They are just the right size to fit in an adult hand, so a little big for solo use by a little hand, but there are plenty of bits to grab onto on either side, so it's not hard for a little kid to hang onto them. The loofah/scrubby side is well made, although it will become big and loose as those things always do if you pull on them too much. The sponge/toy side is very soft, and definitely gentle enough for a small child's skin.
My only dislike is the small loop for hanging it on a hook in the shower. The little loop is just tiny and hard to separate, so it's difficult to get it onto a hook so it can hang and dry out in between uses. It would have been very easy to make the loop longer and more functional, so I'm not sure why they didn't.
Other than that one, minor inconvenience, this is a great product.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Adorable scrubbie
Color: Turtle&bunny
Durable sponge made with quality material. Great value for price, soap lathers well and no signs of wear and tear after using for a month. Not too rough on the skin, plus you can’t beat the adorable turtle design
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 4
Super Cute! Stuffing Seems to Poke Out
Color: Frog&strawberry
These kids bath sponges are super cute! My daughter loves the strawberry one. It's soft, and well made, and doesn't irritate her skin. The size is just right for little hands, and they seem to be holding up well so far.
One thing I noted is that some of the stuffing seemed to be poking out when I first opened it, but it came off easily and doesn't seem to be getting worse.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great work on the recent history of strategic studies and strategy in practice.
Format: Kindle
While not perfect, certainly one of the best works on strategy I've read recently and possibly the best work on post-1945 strategic history I've read in a while. Two main flaws or issues of contention: Strachan's critique of civil-military relations is at times lucid, but at other times appears to come slightly off the rails. Second, the books origin as a (much altered and added too) collection of articles shows through in the many areas which it doubles back on itself covering ground previously well trodden, at times this is done to build on previously mentioned ideas, at other times it seems overly repetitive. On the whole it is an excellent assessment and critique of the recent history of Strategic Studies as a field, as a historian I find many of his disciplinary critiques of the history/IR balance quite convincing, but I suppose I'm biased.
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Reviewed in the United States on January 30, 2014
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