How To Choose The Best Light Meter For Grow Lights Recommended By An Expert

Features :

• AS803 Lux Light Meter is used to measure intensities of illumination in Lux or Footcandles, widely used in scenic design, research teaching, industry inspection as well as agriculture researching and illumination control.
• With the advanced built-in calibration sensor and twice per second frequency, it takes only a split second for an accurate reading. The rotatable head is beneficial to multi-directional detection.
• Large LCD display and backlight.
• Hand-held design and small size make the meter easy to carry.
• Measuring range: 0-200,000 Lux

Features :

• 【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.
• 【Save Money:】 Best selling AND useful for your indoor growing plants and 3.get you in the ball park of light requirements and testing for half the cost.
• 【All Indoor plants】 Data logging capability, 2xAAA batteries.
• 【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.
• 【Free return/exchange/refund if any concern】upraged to 2 years warranty.

Features :

• 1.Selectable light source:L0 Standard light source:1000 L2 Red LED:0.516 L4 Green LED:1.216 L6 Purple LED:1.148 L7-L9 Self-defined light:1000 (default|),the coefficient value can be adjusted. Wide measurement range Max range: 300,000LUX; Resolution:0.1 LUX.
• 2.Wide measurement range Max range: 300,000LUX; Resolution:0.1 LUX.
• 3.Ambient temperature/humidity test supported.Temperature range: 0 ~ 60°C; Accuracy: ±2°C; Humidity range: 0 ~ 99%RH; Accuracy:±8%RH.(only TA631B)
• 4.Upper/lower limit alarm:The upper and lower alarm limit is settable. The screen will emit red background light when over upper and lower limit.
• 5.Data hold: Support to hold the max value, min value, average value and real-time value during the measurement.

Features :

• ☀【HIGH ACCURACY】+/- 4% readings +/- 0.5% f.s (10,000 Lux; 1,000 FC); +/- 5% readings +/- 10 digits (300,000 Lux; 30,000FC)
• ☀【0.4 SECOND RESPONSE】2~3 times sampling per second, Instantly to measure out how much lights you’re getting
• ☀【WIDE MEASURE RANGE】 This light meter can measure luminance at 0.01~300,000 Lumens, (0.01~30,000 Foot Candles), Which is much wider than the others. Resolution 0.01
• ☀【EASY TO USE】The light sensor can be rotated 270º, so you don’t need to turn around the light meter to measure lights from different angles. Just rotate the sensor, and you can still read the measure at front
• ☀【MEMORIZE THE LIGHT READINGS】This Lux Meter can help you record 33 sets of readings,Temp Testing, The RELATIVE measuring mode will show you the difference between current / recorded data. Ideal to use at home, garden, aquarium,plants, school, office, state, LED lights, indoor and outdoor

Features :

• ✨【Wide Applications】-Measuring luminance ranging 0.1~200,000Lux(0.01~20,000FC), resolution of 1Lux, sampling time 2time/s, this Lux reader works well for various kinds of lights sources: LED, garden grow lights, aquarium fish tank lamps, fluorescent, incandescent, flashlight, bulbs in offices, schools, home.
• ✨【Par Meter for Plants】-Sufficient light is important for proper plants to live and thrive. Use this brightness tool to check lighting intensity in grow room or greenhouse, making your plants and vegetables grow better, avoiding over-lighting.
• ✨【Clear Reading Display】-Lightness tester with backlight function is easy to read in dim or bright places. Data hold function for data freezing. Comes with high quality zippered carrying case, convenient for both indoor and outdoor usage.
• ✨【Scientific Photo Detector】-Sensitive silicon photo diode with filter provides measurements in higher degree accuracy,<20,000Lux/2,000FC:±3%rdg ±0.5%f.s; >20,000Lux/2,000FC: ±5%rdg±10dgt. It is useful for photography to check camera exposure and take amazing pictures.
• ✨【Must Have Luminosity Gauge】-Keep track of illuminating intensity from light source, help you adjust optimal illumination of different locations, such as living rooms, warehouse, factories, laboratory. 12 month product quality warranty and life-time technical supports are provided.

Features :

• Recording light meter– with protective cover, anti-drop and anti-shock, providing you better hand feeling.
• Digital– exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.
• Growlight– support unit switching, data hold, maximum/minimum value, low power alert, convenient to use.
• Light meter photography– 200000 lux measurement range: the maximum measurement range is 200000 lux, meeting the different needs of different users.
• Light measure tool– suitable for lighting control in homes, warehouses, office buildings, production lies, aquaculture, plantations, stadiums, stage, and etc.

Features :

• 【WIDE APPLICATIONS】—This light Meter is equipped with high accuracy silicon diode photosensitive components, which can accurately measure the light and brightness accurately. Ideal to use at home, garden, aquarium, plants, school, office, state, LED lights, buildings, warehouses, production lies, farms, aquaculture, stage, stadiums, indoor and outdoor.
• 【MULTIFUNCTION】—The lux meter with an easy-to-read backlight, max/min, data hold, low battery indication, lux/fc switch, auto power off. 4-range settings: 0/200/2,000/20,000/200,000 Lux.
• 【HANDHELD】—You can bring the digital Illuminance / light meter wherever you need to. Fits easily into a work bag or large pocket and barely adds any weight. It’s the ultimate in light-metering convenience!
• 【EASY TO USE】—Replace the battery easily with the no screw design; Sensor cover provides enhanced protection for the light sensor. The outer casing is made of high-density polyethylene, which is non-slip and anti-drop.
• 【ABOUT US】¬- Battery included, if you have any problem or suggestions about our thermocouple thermometer please let us know it and we will try to provide a satisfied service.

Features :

• MEASURE ILLUMINATION AND TEMPERATURE: 4 Ranges to choose from 0-200/2000/20000/200000 Lux, Accuracy: ±3% (less than10,000 lux) / ±4% (over 10,000 Lux). Temperature Range: -50℉ to 122℉ (-10℃ to 50℃), Accuracy: ±1%.
• Memory Readings: Digital illuminance meter is equipped with maximum, minimum, and difference reading settings. Includes a data recording feature than can store up to 67 data sets.
• Multifunction: The lux meter with an easy-to-read backlight LCD screen, High/Low Illumination tips, hold along with Lux/Foot Candles/°F/°C selection, Auto-off, Low Battery Indicator.
• Use Friendly: The light intensity meter sensor on the light meter top with a tethered, detachable cap. preventing scratches and other damage. Thanks to the screw base, you can mount it on a tripod to keep it stable.
• You Can Use This Light Meter in Many Environments: Including indoor, outdoor, LED grow lights, gardens, offices, schools, warehouses, photography, videography, hospitals, scientific, lab, and industrial applications.

Features :

• 【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
• 【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 light output
• 【Professional 】Data logging capability using proprietary data logging software available at Quantum Sun. Perfect for ALL indoor plants
• 【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)
• 【US Patented Technology】Automatic electric light calibration modes ensure accurate readings from any source

Features :

• 💡Large Range with High Accuracy – This illuminance meter has a large measuring range of 0.1-400,000 lux (40,000 FC), high accuracy of ±4% ± 1% f.s. Both weak and strong light can be detected acutely and quickly.
• 💡Quick-response 270º Rotatable Detector – 0.4 seconds is all it takes for an accurate reading. An advanced built-in calibration sensor measures the light levels at a super fast, 3~4 per second speed. The optical detector rotates a full 270 degree for muti-directional detection, which ensures precise light measurements from multiple angles.
• 💡2.3″ Large Color Display – Our device is designed for professional use, with a high-resolution color LCD display for clear visibility even in low-light. Ideal for photography, plant growing, Car Headlights, set design, factory, office or home use.
• 💡Multifunctional Measurement – This digital lux meter has 2 units of switching (lux &FC), MAX/MIN mode, ambient ℃/℉ temperature, backlight, low battery reminder, auto off, data hold and data storage functions, helps you to measure the light more conveniently.
• 💡Wide Applications – The Holdpeak lux meter can measure a variety of visible light sources and is ideal for detecting illuminance in homes, schools, offices, workshops, stages, farms, and factories. For example, use our light meter to detect uneven illumination from car headlights or LED bulbs in your home to ensure consistent brightness.