10 Best
Quantum Light Meters
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Product Highlights- 【high precision】 this fully portable handheld par meter features our highly accurate, integrated quantum sensor that measures par (photosynthetically active radiation) flux in wavelengths ranging from 400 to 700 nm.the constant linear response curve (as opposed to other meters' gaussian response) yields higher accuracy independent of wavelength perfect for measuring led...
- 【rechargable】 low power consumption with built-in low battery power indication. coming with usb cable. just plug in any usb port or usb adapter (charging 1-2 hours before use if no power)
- 【cost effective】quantunm sun branded light par meter provides accurate and cost-effective measurement for any light source used in horticultural applications. it measures up to 10,000 μmol/s compared with 2,000 μmol/s for other meters on the market
- 【professional 】data logging capability using proprietary data logging software available at quantum sun. perfect for all indoor plants
- 【us patented technology】automatic electric light calibration modes ensure accurate readings from any source
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Product Highlights
- Optimize growth: quantum par meter ensure your plants receive the ideal light wavelengths (400-700nm) necessary for efficient photosynthesis and healthy growth, simply point the meter towards your plants' light source and instantly obtain accurate par readings.
- Versatile compatibility : par light meter suitable for various types of led grow lights used in indoor gardening, hydroponics, and greenhouse cultivation, the sensor of par meter is designed with a 1/4'' tripod screw mount, calibration, data record, rcfs functions.
- 🛠️ user-friendly: the intuitive design makes it easy for both beginners and experts to use. simply point, measure, and watch your plants thrive.
- Accurate measurement: our par light meter precisely measures the photosynthetically active radiation (par) emitted by led grow lights.the measurement range of the par meter is up to 4000μmol/m²/sec, wavelength range is from 400nm to 700nm, providing accurate and reliable readings.
- Data logging : this par meter is able to record up to 100 groups data, it's easy to review the previous readings, providing a quick and convenient way for the user to view recent measurements.
- Simple and easy operation :indoor plants meter made with high-quality materials, easy operation, hand held,our par light meter is built to withstand frequent use and provide long-lasting performance,with 2 connecting cables, one is 4.9ft coiled cable, the other is 12ft straight cable, allow you to measure the different position quantum light easily.
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Product Highlights
- 【ultra fast, ultra precise】: a split second is all it takes for an accurate reading. an advanced built-in calibration sensor measures the light levels at a super fast, twice per second speed.
- 【270 degree rotatable detector】: keep an eye on the light level anywhere in the room. the optical detector rotates a full 270 degree for muti-directional detection.
- 【professional led light meter】: whether you're a photographer, a set designer, or looking to set the mood, proper lighting is a must. the dr.meter digital led light meter measures the brightness (up to 200,000 lux) of fluorescent, metal halide, incandescent, and high-pressure sodium lights, guaranteeing the perfect luminosity every time.
- 【easy and intuitive】: using this digital led light meter couldn't be easier. just turn it on, point it at the light source, and check out the reading on the display screen. there are 4 adjustable measuring ranges (200lux, 2,000lux, 20,000lux, 200,000lux). preprogrammed settings like auto power off, data hold, unit adjustment, and more do the hard work for you.
- 【tripod mountable】: have your hands full? don't sweat it. thanks to the screw base design, this photography light meter can be placed on a tripod for hands-free use.
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Product Highlights
- ✅record function: it has the capability to store up to 100 measured values. this allows the user to easily track and review previous readings, providing a record of the changes in par over time. additionally, it has a real-time display feature that shows the last four recorded data, providing a quick and convenient way for the user to view recent measurements. this feat...
- ✅tripod socket: it comes with a tripod socket to provide a convenient and practical way to securely attach the meter to a tripod (not included in the set), ensuring stability and accuracy during measurements, and providing greater flexibility in taking measurements.
- 🌿【professional par tester】portable par quantum meter measures photosynthetically active radiation in wavelengths ranging from 400 to 700nm under all grow-lighting used for plants. measure up to 5,000umol/(㎡s) and record 100 measured data.
- ✅usage: a par meter is a valuable tool for growers, scientists, and researchers, providing accurate and reliable measurements of the amount of light energy available for photosynthesis, allowing for improved plant growth, increased energy efficiency, better crop management, and increased understanding of plant needs.
- ✅on the go tester: portable, easy-to-use, flexible, and convenient tool for measuring par levels. it is a compact and lightweight design making it easy to carry the meter from one location to another, allowing for measurements to be taken in different parts of a greenhouse, growth chamber, or field. ergonomic and user-friendly interface.
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Product Highlights
- ✅【data logging】this par meter is able to record up to 100 groups data, it's easy to review the previous readings, providing a quick and convenient way for the user to view recent measurements.
- ✅【multi-functional】the sensor of par meter is designed with a 1/4'' tripod screw mount, calibration, data record, rcfs functions
- ✅【high precision】the measurement range of the par meter is up to 4000μmol/m²/sec, wavelength range is from 400nm to 700nm, providing accurate and reliable readings.
- ✅【flexible sensor】this par light meter comes with 2 connecting cables, one is 4.9ft coiled cable, the other is 12ft straight cable, allow you to measure the different position quantum light easily
- ✅【wide applications】it's portable and flexible quantum par meter for measuring par level in different applications, widely use for greenhouse, aquarium and outside.
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Product Highlights
- Calculate dli if the ppfd is stable.
- Simple and safe app for test par. quick bluetooth connection.
- Test par | ppfd accurately. can show the par of red and blue light in light seperately. blue light is efficiently absorbed by plant chlorophyll. red light is conducive to the growth of flowers and the maturation of fruits.
- Record ppfd data at different points methodically by grids. it is helpful to know the par distribution under your grow lights.
- Easy to carry the par meter.the par meter can be fixed on the drone or toy car to test ppfd anywhere in the greenhouse. no need for the tester to move around.
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Product Highlights
- 🌱3 types of measurements: 1)dynamic measurements: as you move the meter over an area, dynamic measurements are taken every second. dynamic measurements continue to be made until you either press hold or turn the unit off. dynamic measurements are stored in an internal buffer and used to report ave (average), max (maximum), and min (minimum) dynamic measurements. 2)hold ...
- 🌱flexible performance: features a tripod socket for stable mounting during measurements, ensuring accuracy and convenience. please note: can’t leave the unit on a tripod to record average light during a period, because the unit automatically shuts off after 3 minutes when no buttons are pressed.
- 🌱ppfd measurement: measures photosynthetic photon flux density (ppfd) within a range of 0 to 5000 μmol/m²/sec. measures wavelengths within the range of 400±10nm to 700±10nm, covering the essential spectrum for photosynthesis. features a spacious screen display for effortless reading of measurements, ensuring clarity and convenience. provides max/min/avg data functionali...
- 🌱additional functions: introduces four modes, each with distinct capabilities: avec: measures ppfd every second and report the average measurement, rec: measures ppfd every second and reports the data logged, cal: zero point , and res: reset the unit and clear the log. (pls note: when you first turn the unit on, it starts in ave mode where the meter takes a pffd measure...
- 🌱 data recording and live display: enables the storage of up to 100 measured values, supporting thorough data accumulation and scrutiny. offers a live display of the most recent four recorded data points, facilitating swift monitoring and analysis. to see additional logged measurements, press the mode button until rec is displayed. after a brief delay the word rec will ...
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Product Highlights
- 【save money:】 best selling and useful for your indoor growing plants and get you in the ball park of light requirements and testing for half the cost.
- 【high precision】 constant linear response curve (as opposed to other meters’ gaussian response) yields higher accuracy independent of wavelength—perfect for measuring led light output. maximize crop yields: there is a positive proportional relationship between the number of photons absorbed in 400 to 700nm band and the rate of photosynthesis. compact and complete main u...
- 【quantum par meter】this fully portable handheld par meter features our highly accurate, integrated quantum sensor that measures par (photosynthetically active radiation) flux in wavelengths ranging from 400 to 700 nm. it measures up to 10,000 μmol/s compared with 2,000 μmol/s for other meters on the market.
- 【all indoor plants】 easy used for hydroponic/greenhouse/indoor plants and low power consumption with built-in low battery power indication.
- 【high quality】2 years warranty
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Product Highlights
- Record the ppfd data for different points by grids and calculate the average.
- Simple and safe app. only need to connect the bluetooth of smart phone. can be still used even if there is no internet signals.
- The fh-100 can be placed on the drone, which allows the par to be tested anywhere in the greenhouse.
- Fh-100 can test the par for any spectrum accurately, the par senosr ic is from a famous japan company. show the par of red | blue light seperately in light. blue light is efficiently absorbed by plant chlorophyll. red light is conductive to the growth of flowers and the maturation.
- Can calculate the dli if the ppfd is stable all the way.
- If had multi fh-100 par meters, one mobile phone can read all the par at different location.
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