Best Quantum Par Light Meter of 2021

The MQ-500 is used to measure incoming PPFD measurements in outdoor environments, greenhouses, growth chambers, and aquariums.

Full spectrum quantum sensor with a spectral range of 389 to 692 nm ± 5 nm

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.

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.

Rugged, lightweight and portable with a four year manufacturers warranty.

Spectral Range 422-655nm

Quantum Par Meter for scientific measurements

Water resistant, rugged, well made.

Compares to Sun System HGC 48205

All new for 2020, the Advanced Quantum PAR Meter provides accurate and cost-effective measurement for all light sources used to grow plants.  The PHOTOBIO by Phantom Quantum PAR meter is designed to measure PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700nm.

The Advanced light meter comes complete with a remote sensor, two connection cables, the main unit and easy to replace AAA batteries. The PAR meter can store up to 99 measurements for easy reference.

Portable PAR meter with highly accurate remote quantum sensor Measures photosynthetically active radiation (PAR) from 400 to 700 nm Simple and easy to use Record up to 99 readings Includes short coiled and long straight connection cables

There is a proportional relationship between the number of photons absorbed in 400 to 700nm band and the rate of photosynthesis in plants, which is important for horticultural studies and monitoring plant physiology.

Quantum Par Meter for LED photosynthetic light measurement for plant growing

Damp rated IP68 construction

Includes Apogee AM-310 Telescopic Wand (Retail Value $59.95)

New, unused Units. Authorized.

Made in the USA in Logan Utah

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 using standard mini-USB cable and proprietary data logging software and Low power consumption with built-in low battery power indication

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

Patented in USA: Automatic sun or electric light calibration modes ensure accurate readings no matter the source. Rechargeable & long standby.

Quantum Sensor with Meter

Measurement of PPF over distance (PPFD)

Water resistant

Rugged commercial grade

This PAR meter is used to measure photosynthetically active radiation (PAR) in the air. If you also need to measure underwater PAR, there’s another set for sale.

With integrated quantum sensor, it measures PAR flux in wavelengths ranging from the 400 to 700 nm and measures up to 2,700 µmol/m²·s.

The detector can rotate freely at 270 degrees, makes the measurement more accurate.

Features with peak hold function and data hold function, easy to read on large LCD screen.

Powered by one 6F22 9V battery (not included), can be used continuously for about 100 hours.

Used to Test 253.7nm wavelength ultraviolet radiation from low pressure mercury lamp

With statistical function (real-time value, maximum value, minimum value, average value, measurement duration, date/time);

Curve display function can be used to analyze the change trend of the luminous intensity after lightening the lamp;

High-precision U V C optical filters and professional U V sensor, which allow the instrument to almost give no response to other wavebands;

Equipped with USB interface and dedicated PC software featured with parameter configuration, data reading, and U V power curve, exporting of U V power data to EXCEL, report generation functions.

Meter with remote sensor measures photo synthetically active radiation (PAR)

Use inside with Sun System grow lights or outside with natural sunlight

Simple and easy to use. Compact size with remote sensor

Made in China