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Accurate light measurement is crucial for a wide range of applications, from photography and videography to scientific research and industrial quality control. Selecting the right lab photometer or light meter ensures reliable data, consistent results, and optimal performance in your specific environment. This guide will help you navigate the key features and considerations to make an informed purchase.
PAR Measurement: Measures Photosynthetic Photon Flux Density within a range of 0 to 5000 μmol/m²/sec; across 400±10nm to 700±10nm wavelengths; Features a large display for easy reading; offering MAX/MIN/AVG data functions for comprehensive analysis`
Dynamic Measurements: This mode continuously records measurements as you scan an area until you hold or power off; AVE (average); MAX (maximum) and MIN (minimum) values are calculated from these dynamic readings; Data is stored internally for analysis...
Advantages of a PAR Meter: Accurate Light Measurement: Quantum PPFD sensor provide precise measurements of light intensity in the range that plants use for photosynthesis. By using a PAR meter, growers can ensure that plants receive the right amount of...
Monitoring Light Levels: Users can monitor changes in light intensity over time and adjust growing conditions accordingly to prevent overexposure or underexposure to light. With accurate light measurements, growers can optimize energy consumption and...
PAR meter is a valuable tool for anyone involved in indoor gardening, horticulture, or plant research, offering precise measurements and insights into optimizing light conditions for plant growth and health
ACCURATE and COST EFFECTIVE: The Phantom PHOTOBIO Advanced Quantum PAR Meter provides measurement for any light source used in horticultural applications.
MEASURES BROAD SPECTRUM: The Advanced Quantum PAR meter is designed to measure PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700nm.
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 unit, remote sensor, two connection cables (short-coiled & 12’ long-straight), AAA batteries and protective carrying case.
RELIABILITY: Phantom’s track record of robust reliability and performance in horticultural equipment
SIMPLE and EASY OPERATION: Easy operation, hand held, with recording of up to 99 readings
COMPATABLE with modern sole-source and supplemental LED fixtures, high pressure sodium (HPS) DE grow lights, as well as any traditional indoor grow light source
STORE UP TO 99 measurements for easy reference while adjusting light fixture height, dimmer setting and other environmental changes throughout each phase of growth.
High Precision & Fast Response: This high-precision illuminance meter delivers lightning-fast readings 2 times per second, ensuring you get accurate light intensity data—perfect for creating the ideal growing environment for your plants.
FC/LUX Conversion: FC or LUX? The Power is in Your Hands! Effortlessly toggle between FC and LUX to measure light intensity in the unit that suits your gardening needs—precision made simple.
PEAK Data Recording: Instantly lock in and display the highest light pulse value with a single press of the PEAK button—perfect for measuring lightning, laser beams, and other brief high-intensity sources.
Low Battery Alert: Stay powered, stay prepared! A handy + - symbol appears when the battery runs low, so you’ll always know when it’s time to swap out the 9V battery and keep your light measurements going strong.
Versatile Usage: Ready for any setting! Whether indoors or outdoors, this meter is perfect for homes, offices, factories, or measuring sunlight intensity to create the perfect environment for your plants to thrive.
Exposures accurate down to a tenth-of-a-stop for both ambient and electronic flash light readings in full-stop mode.
At ISO 100 the ambient EV range is 0 to 19.9 flash f/stops range from f/1.0 to f/90.9 with a shutter-speed span of 60-seconds to 1/8000th-of-a-second (1 sec to 1/500th for flash).
Photo Mode: for still image photographers featuring shutter or aperture priority display of a full range of ambient and flash functions including cord and cordless flash measurement
HD Cine Mode: perfect for DSLR and mirrorless videographers who need to take exposure readings and control light using shutter speeds and frame rates
Cine Mode: designed for use with cinema grade cameras, allows users to select from the most useful frame rates and shutter angles for exposure control with one-tenth stop accuracy.
Adopting a detector powered by a silicone photocell with high stability, photostability, and shock resistance, strict vision correction and accurate photometric measurement can be realized.
With a wide measuring range, it can measure between 0.01-39990cd/m2 without a dimmer.
It is a digital display with good indication reproducibility, data latching and peak value latching functions
With very low power consumption, it can operate continuously for 100 hours on a 9V layer-built battery
✅【3 in 1 PAR Meter】DANOPLUS PAR meter is able to measure PPFD(400-700nm), Ultraviolet(UVA: 320-400nm), infrared (IR: 750-800nm) Light Intensity, It features a wavelength range of 320-800 nm with a tolerance of ±10 nm
✅【High Precision】the ppfd meter for led grow light measure from 0 and 5000 μmol/m²/sec, it's equipped with a high-precision chip and an integrated probe design, providing accurate and reliable readings of light energy available for photosynthesis
✅【RGB Light Display】The DANOPLUS PPFD meter separately displays light intensity (in μmol/m²/s) for RED, GREEN, and BLUE wavelengths. This helps optimize plant growth—blue light supports vegetative growth, while red light promotes flowering.
✅【Data Record】This quantum PAR meter can store up to 30 measurements, allowing you to easily track and review previous readings. Monitor changes in light levels to make informed adjustments to lighting conditions.
✅【Multi-Functional】The par light meter is designed with real-time and HOLD measurement; MAX/MIN/AVG; PPFD/UVA/IR/RGB wavelengths switchable, tripod socket; a compact portable design, and an ergonomic user-friendly interface.
Measure PAR and UVA Light Accurately. Measure PAR (400–750nm) and UVA (320–400nm) irradiance intensity to understand how your grow lights actually perform. The PAR sensor IC is manufactured by a well-known Japanese semiconductor company, delivering...
See the PAR Breakdown of Blue, Green, and Red. Unlike most PAR meters that only show a single value, AH-Quantuv displays the PAR contribution of Blue, Green, and Red separately. This helps growers better understand the spectrum of their grow lights and...
Understand How Spectrum Affects Plant Growth. Plants typically require more blue light during the seedling and vegetative stages, while higher red light supports flowering and fruiting. Viewing the spectrum breakdown helps growers adjust lighting to...
PAR Recording Function for Light Distribution Mapping. The built-in recording function allows you to log up to 100 PAR measurements, making it easier to evaluate the light distribution across your grow area and identify hotspots or low-light zones.
Multiple Display Modes & Easy Operation. Switch between screens to view PAR values, UVA irradiance intensity, RGB PAR breakdown, and historical records. The HOLD function allows stable readings for easy observation. Simple interface design makes operation...
Certified Quality. CE certified for reliable performance and safety.
Lighting accuracy: plus or minus 3% plus or minus 10 dgts (<10000 LUX), plus or minus 4% plus or minus 10 dgts (>10000 LUX)
EXTRA LARGE RANGE Our digital illuminance meter has a wide measuring range of up to 200,000 LUX. The highly sensitive illuminance sensor ensures accurate and fast response with a sampling frequency of up to 2 times per second.
User-friendly design: Easily switch between the two main units of illumination intensity - LUX and FC - as needed. The LCD display ensures clear vision, the backlight ensures the readability of the meter even in dark environments.
Multifunctional: With our meter, you can not only measure the current brightness, but also the maximum and minimum values. With the data hold function, you can freeze the reading on the display, which can be useful when you need to record the measurement.
ENERGY EFFICIENT The meter has an automatic shut-off function which helps to save battery when not in use. A low battery indicator lets you know when it's time to change the battery so that the meter is always ready to use.
Wide Application Our gauge can be used in schools, hospitals, factories, airports, families and other occasions for brightness measurement, and is an indispensable measuring tool for professionals, academics and hobbyists.
The product requires 3 x AAA batteries to work with which are NOT included
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Photometers & Light Meters
User Interface and Connectivity
A user-friendly interface with a clear display is paramount for efficient operation, especially in demanding environments. Look for intuitive controls and easy-to-read screens. Some advanced models offer connectivity options such as USB or Bluetooth, allowing for data transfer to computers or mobile devices for analysis and reporting. This can be particularly beneficial for long-term monitoring or complex experimental setups.
Frequently Asked Questions
What is the difference between a photometer and a light meter?
A photometer specifically measures illuminance, which is the amount of light falling on a surface. A light meter is a broader term that can encompass devices measuring illuminance, luminance (light emitted from a source), and sometimes other light properties. For laboratory use, a photometer is often the more precise choice for measuring incident light.
How often should a light meter be calibrated?
Calibration frequency depends on the device's intended use and the manufacturer's recommendations. For critical applications requiring high accuracy, annual calibration is common. If the device is used frequently or subjected to harsh conditions, more frequent checks may be necessary to ensure reliable measurements.
What does spectral response mean for a light meter?
Spectral response refers to how sensitive a light meter is to different wavelengths of light. Ideally, a meter's spectral response should closely match that of the human eye (photopic response) for general illumination measurements. This ensures that the measured light levels accurately reflect what a person would perceive.
Can I use a photography light meter for laboratory work?
While some photography light meters can provide illuminance readings, dedicated lab photometers are generally designed for higher accuracy and specific measurement ranges required in scientific and industrial settings. It's best to choose a device tailored to your specific application's precision needs.
What are lux and foot-candles?
Lux (lx) and foot-candles (fc) are both units used to measure illuminance. Lux is the SI unit, defined as one lumen per square meter. Foot-candles are an imperial unit, defined as one lumen per square foot. 10.764 lux is approximately equal to 1 foot-candle.
What is data logging capability?
Data logging capability allows the device to automatically record measurements over a period of time. This is useful for tracking changes in light levels, analyzing trends, or documenting conditions for research or compliance. The recorded data can often be exported for further analysis.
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