Best Quantum Light Meters In March 2025

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Buy the Best Quantum Light Meters for your needs. Choose from the Best Quantum Light Meters on the market. Pick the one that satisfies your need.

To help you in your search, we have completed this list of the Best Quantum Light Meters.

Top Rated Best Quantum Light Meters Of 2025

Rank	Product Name	Score
1	Extech LT40 LED Light Meter Buy Now	9.7 Buy Now
2	Light Meter LM-50KL Measures Lux/Fc - LED/Fluorescent, Industrial, Household, and Photography - Calibration Buy Now	9.5 Buy Now
3	Amprobe LM-200 LED Light Meter, Silicon Photodiode and Filter Buy Now	9.1 Buy Now
4	Hydrofarm LGBQM Quantum PAR Meter Micromol Sensor Buy Now	8.8 Buy Now
5	Quantum Apogee Underwater Light Par Meter MQ-210 Buy Now	8.6 Buy Now
6	Apogee SQ-420 Smart Quantum Sensor | USB Output Buy Now	8.3 Buy Now
7	Our Best Selling Apogee PAR Meter, The MQ-500 Full Spectrum Quantum Meter, Accurate Buy Now	8.1 Buy Now
8	Apogee MQ-200 PAR Quantum Separate Sensor with Handheld Meter Buy Now	7.8 Buy Now
9	Apogee Instruments Affordable MQ-100 Compact PAR Meter with Original Quantum Sensor Buy Now	7.5 Buy Now

1. Extech LT40 LED Light Meter

• Measures led and standard lighting
• Lux or foot candle units
• For white and color leds

2. Light Meter LM-50KL Measures Lux/Fc - LED/Fluorescent, Industrial, Household, and Photography -

• Many applications include: warehouses, factories, office buildings, restaurants, schools, library, hospitals, photographic, many video, parking garages, museums, art galleries, stadiums, building security.
• Measuring intensities of illumination in lux or footcandles.
• Measuring lights source: led white light and all visible light.

3. Amprobe LM-200 LED Light Meter, Silicon Photodiode and Filter

• Dual-scale meter measures visible light from fluorescent, metal halide, high-pressure sodium, and incandescent sources up to 200,000 lumens per square meter (lux) or 20,000 footcandles (fc)
• Manual ranging, data hold freezes readings on the display, maximum recording displays highest reading, zeroing capability resets the null point and angled light cosine correction corrects for angled light
• Powered by a 9 v battery (included), and includes a 1.5-meter wire for positioning light sensor and a protective sensor cap

4. Hydrofarm LGBQM Quantum PAR Meter Micromol Sensor

• Constant linear response curve (as opposed to other meters' gaussian response) yields higher accuracy independent of wavelength - perfect for measuring led light output
• Data logging capability using standard mini-usb cable and proprietary data logging software available at hydrofarm
• No assembly required
• Low power consumption with built-in low battery power indication
• Logging software compatible with windows xp, 7 & 10 only

5. Quantum Apogee Underwater Light Par Meter MQ-210

6. Apogee SQ-420 Smart Quantum Sensor | USB Output

• No datalogger required the sensor can be connected to a desktop or laptop computer via usb 2.0 type a plug, to be used with the apogeeconnect software (windows compatible, xp and later, mac compatible, 10.10 and later). the included apogee software gives the user control of data logging and calibration settings, provides a real time output display and graph of ppfd meas...
• Internal data storage the sensor has internal data storage capability with the ability to hold up to 10,000 measurements. this allows the sensor to collect data while connected to most stand-alone 5 v dc power supply such as a usb wall adapter.
• Independent calibration the sq-420 is calibrated independently for sunlight and electric light to improve measurement accuracy. the light source calibration can be selected in the settings menu of the apogee software.
• Usb quantum sensor can be connected directly to a computer for real time measurements and data logging, or act as a stand-alone datalogger when connected to most standard 5 v dc usb power sources
• Spectral response original quantum sensors work well for broadband sources (sun, high pressure sodium, metal halide, cool white fluorescent lamps).

7. Our Best Selling Apogee PAR Meter, The MQ-500 Full Spectrum Quantum Meter, Accurate

• Accurate, stable measurements long-term non-stability determined from multiple replicate quantum sensors in accelerated aging tests and field conditions is less than 2 % per year.
• Optional accessories pictured include the am-310 telescoping extension wand for reaching further into plant canopy (super useful) and the apogee ac-100 usb data cable to connect and download to pc.
• Full spectrum quantum sensor with a spectral range of 389 to 692 nm 5 nm
• Rugged, lightweight and portable with a four year manufacturers warranty.
• The mq-500 is used to measure incoming ppfd measurements in outdoor environments, greenhouses, growth chambers, and aquariums.

8. Apogee MQ-200 PAR Quantum Separate Sensor with Handheld Meter

• Quantum par meter for scientific measurements
• Spectral range 422-655nm
• Water resistant, rugged, well made.

9. Apogee Instruments Affordable MQ-100 Compact PAR Meter with Original Quantum Sensor

• Downloading data to a computer requires the ac-100 communication cable and apogee ams software (free download)
• Cost-effective, original quantum sensors work well for broadband radiation sources. the patented, dome-shaped aluminum head is cosine-corrected, self-cleaning, and fullypotted for a waterproof design.
• Apogee sq sensors are calibrated through sideby-side comparison to the mean of four transfer standard sensors under a reference lamp. the reference sensors are recalibrated with a quartz halogen lamp traceable to the national institute of standards and technology (nist).