Reviews Light Intensity Meter

Apogee Instruments MQ-500 Full-Spectrum Quantum PAR Meter & Telescopic Wand Bundle - Digital PPFD Meter for LED Greenhouse Grow Lights, Sunlight, & Plant Monitoring

  • ...r 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 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 stable, accurate calibration with an accuracy....
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BTMETER BT-881D Digital Illuminance Light Meter, Measure Lights 0.01~400,000 Lux (0.01~40,000 FC) Foot Candles Luxmeter with 270º Rotated Sensor for Plants LED Lights Indoor Outdoor Light Tester

  • ☀【HIGH ACCURACY】+/- 4% of readings for 10000 Lux, 1000 FC.
  • +/- 5% of readings +/- 10 digits for 400000 Lux, 40000FC.
  • ☀【0.4 SECOND RESPONSE】2~3 times sampling per second, Instantly to measure out how much luminosity intensity you’re getting, No more guessing.
  • ☀【WIDE MEASURE RANGE】 This light meter can measure luminance at 0.01~400,000 Lumens, (0.01~40,000 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 luminosity intensity from different angles. Just rotate the sensor, and you can still read the illuminance 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 lux meter to measure light intensity for LED grow lights,garden, plants, school, office, state, LED lights, indoor and outdoor.
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Solarmeter Model 6.5 UV Index Meter, Handheld Digital Radiometer for Measuring Ultraviolet Light, Measures 280-400 nm with Range from 0-199.9 UV Index, Made in USA

  • ...hen it's best to do outdoor activities.
  • Protect your family and children's delicate skin by monitoring UV exposure.
  • A Versatile Tool - Our UV Index Meter provides instantaneous UV index measurement and is also used for UV index comparison, monitoring reptile lamp intensity and aging, monitoring UV lamp intensity and aging, and UV index tracking over time.
  • Easy-to-Use - Compact, handheld, and durable, our Solarmeter UV Light Tester features simple single-button operation and an easy-to-read LCD Display.
  • Powered by one 9-volt DC Battery (included) which lasts up to 2 years depending on use, this UV light meter boasts NIST Traceable accuracy.
  • About Us - Solarmeter by Solar Light Company Inc. is the industry standard for UV and visible light radiometers that measure both indoor and outdoor light sources.
  • Our NIST Traceable meters are used to monitor lamp irradiance and aging for UV sterilization, reptile husbandry, indoor tanning, red/blue light phototherapy, UV curing and UV Index.
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LaMotte N-P-K Soil Test Kit

  • 【3-IN-1 MULTFUNCTION】: The Soil Moisture Meter has the functions of soil moisture, pH, and sunlight intensity. The plant moisture meter can accurately grasp the time and amount of water needed to water the plants, and help you plant your favorite flowers and plants. (This soil tester CAN ONLY be used in soil, it CANNOT be used to test any liquids).
  • 【NEWLY UPGRADED LIGHT AREA & Probe】：The soil moisture meter is newly upgraded. The light-sensing area is larger and more sensitive than before. The upgraded version of the moisture meter probe is more durable and not easy to fall off. It allows your plants to photosynthesize better and grow healthily. The best soil moisture meter as Halloween gifts for family and friends..
  • 【EASY TO USE】:This soil ph meter uses dual needle detection technology to quickly and accurately detect soil moisture, pH, and light conditions. Just insert the sensor probe into the soil about 2-4 inches, and flip the switch to test the water, pH, and sunlight you want to measure. No batteries or electricity needed, plug and read..
  • 【WIDELY APPLICABLE】: This moisture meter is suitable for indoor and outdoor use. The design is light and portable, and it is easy to carry and use outdoors. The soil ph meter is an ideal soil t....
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Solarmeter Model 9.6 Visible Red Light Meter, Handheld Digital Radiometer and Light Bulb Tester for Measuring Red Light for Collagen Stimulation & Wound Healing Lamps, 0-1999 μW/cm², Made in USA

  • Get an Accurate Reading - Don't take chances with ineffective or out of spec bulbs in your facility's medical equipment.
  • Checking the intensity of phototherapy bulbs is essential.
  • Now it's easier than ever to maintain your collagen stimulation and wound healing lamps.
  • Standard Red Light Meter - Measures 577 nm to 661 nm.
  • An essential tool for monitoring the intensity and aging of red LED lamps, red fluorescent bulbs, and HID lamps.
  • Also measures outdoor red light and photosynthetic action spectrum red band for gardening.
  • Change Your Lamp Bulbs on Time - Special purpose bulbs decay over time and stop emitting the amount of red light that they should, leading to undesirable results.
  • With our Solarmeter, keeping track of your bulb's performance is easier than ever, and so is knowing when it's time to change it.
  • Easy-to-Use - Compact, handheld, and durable, our Solarmeter Red Light Tester features simple single-button operation and an easy-to-read LCD Display.
  • Powered by one 9-volt DC Battery (included) which lasts up to 2 years depending on use, this UVC light meter boasts NIST Traceable accuracy.
  • About Us - Solarmeter by Solar Light Company Inc. is the industry standard for UV and visible light radiometers that measure both indoor and outdoor light source....
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EMF Meter 5HZ-3.5G, Vlifree EMF Detector with Digital LCD Backlit Display for Electromagnetic Field 5HZ-3500MHz, Electronic Radiation, Temperature Detector, EMF Tester for Home, Ghost Hunting

  • ...d strength and magnetic field strength at the same time to reach the optimal test result. display "E 2.0" is the detector version which does not influence the detection value..
  • 【 Environment Temperature Detection】with 2 temperature units (℃ and ℉). Large & Clear LCD display of the values for easy reading..
  • 【Intensity Bar Graph Display】Putting the EMF meter close to a test environment with a magnetic or electric field, it displays a bar graph of the intensity of the electric and magnetic fields, respectively, and a GOOD/BAD prompt for the test environment on the screen..
  • 【Multi-purpose Measurement】Suitable for mobile phone, TV, induction cooker, rice cooker, refrigerator, computer, appliances, electrical wires, etc. 30-days money back guarantee, 24 months warranty and lifetime technical consulting service support..
  • 【Sound-Light Alarm 】When the test result exceeds the safe value that you have setted up, the instrument will alarm automatically. It's widely used to test and learn electromagnetic radiation situation indoor and outdoor. Suitable to measure the electromagnetic generated machine, measure low-frequency appliance and high-frequency radiation appliance..
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Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins for Arduino (10PCS)

  • The BH1750FVI sensor to measure the ambient light level. BH1750FVI is a calibrated digital light sensor IC that measures the intensity of incident light and converts it to a 16-bit digital number..
  • It can measure the ambient light intensity ranging from 0 to 65535 lux (L). Lux is an SI unit for illuminance and is equal to one lumen per square meter. The BH1750FVI sensor directly gives the output in Lux..
  • The sensor's spectral response function is approximately similar to that of the human eye. The sensor output can be accessed via an I2C interface. The 7-bit I2C address is 0 × 23 if the ADDR pin is grounded, or if the 0x5C ADDR is bound to VCC..
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G & F Products 2 Pack 360 LED Lanterns flashlights Emergency Lights with Magnet Base for Super Bright, Long-Lasting Run-time, Battery Powered Outdoor LED Lantern, 200 Lumens

  • TOTAL 39 High Flux LEDs provides 360 degree super bright Day Time Running Light. collapsible design with hanging hook and handle as flashlights and red emergency light.
  • Fully MET American National Standards Institute (ANSI F1 Standard) in term of Light Output, Peak Beam Intensity, Beam Distance, Runtime and Water/Impact Resistant Level, Explained in below paragraph.
  • LIGHT OUTPUT - 200 Lumens on average of 3 testing samples, Peak Output is around 250 Lumens on one test.
  • BEAM INTENSITY - is about 150 Meter in distance = 500 Feet in range, it means this Lantern will be visible with this range..
  • Ideal application: lantern, or can be used as a flashlight for directional lighting. 360 degress of room, or campsite-filling light, storm night, power outage.
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Sunlight Meter for Measuring Harmful Ultraviolet Solar Light Radiations - Portable UV Intensity Meter & UV Sun Light Strength Tester - Handheld Digital UV Index Sensor - by SunKnown

  • SunKnown UV light meter measures the strength of the sun’s UV rays.
  • It cannot measure the UV light emitted by fluorescent, LED, or tanning bed lights.
  • UV LIGHT PHOTOMETER calculates solar UV Index, combining sun’s UVA and UVB.
  • You can measure the sun's radiations at different hours of the day or on different days.
  • UV RAY DETECTOR & SUNLIGHT INTENSITY CHECKER measures the risk of getting sunburned or exposed to high levels of UV radiations causing cancer.
  • You can use it to check the efficiency of sun protection provided by sunglasses, window glasses, hats, window’s screen or UV filters.
  • Press the UV Check button to read the UV index from 0 to 12 in 0.5 steps by pointing the UV light sensor towards the sun.
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UV Strength Tester Sunlight UV Intensity Meter High Precision Measuring Ultraviolet Light Radiation LCD Digtal Display Handheld UVA UVB Meter Detector (UV Strength Tester)

  • UV Meter Detector & A Timer-UV light intensity tester has a LCD monitor that displays the UV index as well as the clock, alarm and calendar. 4-digit display for month, date, hour, minutes, seconds as well as an alarm. 30 second alarm sound..
  • Sunlight UV Strength Tester-MIFXIN UV detector can highly precise measure UVA and UVB light (not UVC) , calculate their indexes during days of intense sunlight radiation. Index measurement from 0-20 (0.5 increment) UVA and UVB. Measurement: 1000U W/CM2 = 1MW/CM2.
  • Easy to Use-Press the swith "U" and face the UV sensor direct under the sunlight. LCD display shows the UV index reading. Note: The measure taken will be inaccurate when the sunlight is not fully covered the UV sensor..
  • Portable UV Intensity Meter-Size: 9.5*5*2 cm, compact and portable tester. Ergonomically designed to fit the palm or carried using a strap attached to its built-in ring, easy to hold and carry outdoor. UV detector radiation checker is widely used in daily life, for home, in car, office, or any indoor and outdoor location, especially in summer..
  • Battery Operated-This sunlight strength tester is operated by 2pcs 1.5V alkaline type button cells LR44, AG13 tec (battery included). When the battery run out, you can replace them with the same batter....
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DHDZVOV Water Tester for Plants Soil Moisture Meter,3-in-1 Soil pH Moisture Light Intensity Meter Soil Sensor Kits,Soil pH Meter for Garden,Farm,Lawn,Indoor & Outdoor Plants Growth (Soil Meter Kit)

  • 3-in-1 Soil moisture meter helps determine water and PH levels in soil,Soil meter helps determine if your plant is receiving adequate sunlight.
  • Environmentally friendly design works without batteries or charging the soil moisture tester.
  • Easy to use the soil pH meter, simply place prongs in soil, switch button to desired function,and check reading.
  • Soil tester moisture range: 1-10( 1-3 dry, 4-7 neutral, 8-10 wet),pH range: 3.5-8( 3.5-6.5 acidic,7 neutral,7-8 alkaline),light intensity range:0-2000lux(0-200 Lower,200-500 low,500 -1000 neutral,1000-2000 high).
  • Take the guesswork out of caring for your plants and try our 3-in-1 Plant Soil Moisture Meter today.
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GuirLED Nomads - String Light Garland LED USB - Fairy Light - Baby Nightlight 2h - AC Adapter Included - 3 intensities 24 Cotton Balls - 7.87ft 2.4m - Byzantin

  • ...【USB POWERED】 - Dual USB 2A power adapter included - Safe for children - High performance LEDs - Ability to plug your garland into the Guirled external battery (sold separately) to take it anywhere, no more disposable batteries - Power consumption.
  • ➤【VARIABLE INTENSITY】 - 3 intensity levels (100% 50% - Timer Nightlight 2 hours 25% - OFF) - Intensity backup - Total length: 4 meters (2.4 meter of balls) - Intense lighting and unprecedented light projections.
  • ➤【SYSTEM PLUG&PLAY】 - Easy to assemble, in seconds - Recycled paper box - Instructions printed on the box - Quality materials and beautiful finishes.
  • ➤【 #1 IN THE WORLD】- The most sold string light in Europe - 10000 positive customer reviews - Ecology Quality Technology - Better Lights Better Life - 3 years warranty.
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Decibel Meter, CURCONSA SPL Meter, Portable Sound Level Meter, 30dB to 130dB, LCD Display, can be Used in Homes, Factories and Streets（Blue）

  • ...sponse speed and stable and reliable performance. Sound level meter is a high-precision noise meter with an accuracy of ± 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area.
  • ❤【A / C Double-weighting Measurement】 The A-weighting simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C-weighting simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. More professional measurement methods provide users with a more perfect user experience.
  • ❤【Fast and Slow Response Rate Conversion】 The spl meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 125 milliseconds for general environmental measurement. The slow response rate uses a 1 second time constant, which is used for environmental measurements with relatively large changes in noise levels.
  • ❤【Maintain the Maximum Value】Long press the MAX key to lock the maximum value measured during the measurement. Note that db meter does not have data logging and saving capabilities. If there is no operation for 10 minutes, the ....
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