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White PAR meter with black sensor and coiled cable, displaying 897.3 µmol/m²/s.
PHOTOBIO Advanced Quantum PAR Meter in black case with user manual and accessories.
PHOTOBIO Advanced Quantum PAR Meter with sensor and black carrying case.
White PAR meter with black sensor and coiled cord displays 897.3 µmol/m²/s.
PHOTOBIO Advanced Quantum PAR Meter with handheld sensor and coiled cord.
White PAR meter with black sensor and coiled cable, displaying 897.3 µmol/m²/s.
PHOTOBIO Advanced Quantum PAR Meter in black case with user manual and accessories.
PHOTOBIO Advanced Quantum PAR Meter with sensor and black carrying case.
White PAR meter with black sensor and coiled cord displays 897.3 µmol/m²/s.
PHOTOBIO Advanced Quantum PAR Meter with handheld sensor and coiled cord.
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Photobio Advanced Quantum PAR Meter

Official Photobio LED Dealer Model: LGBQM2
$239.99 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Stores up to 99 measurements for reference while adjusting fixture height and light intensity.
  • Compatible with LED, high-pressure sodium DE grow lights, and traditional indoor grow light sources.
  • View More Details

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Mon to Fri, 9am to 5pm PST

Call (360) 800-5535
  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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THROUGH THE Cultivator's LENS Product Evaluation

  • You are checking light intensity across your canopy because fixture height adjustments and dimmer settings consistently change the PPFD your plants receive.
  • You are replacing estimated light levels with real data because you want to dial in your environment with accurate, repeatable PAR measurements.

  • The remote sensor is the best part because you can get precise canopy-level readings without moving the main unit.
  • Recording up to 99 readings makes a massive difference when you are mapping out light distribution across a large room.
  • Using the 12-foot cable makes it easy to take measurements in tall setups without needing to climb a ladder.

  • Growers who swapped from manual estimations to this meter say they finally stopped guessing about light intensity after changing dimmer settings.
  • Users who map their entire grow space with the storage function say they have a much easier time ensuring even light coverage across the room.

Photobio Advanced Quantum PAR Meter

Guessing at light intensity during crop production leaves yield on the table — fixture height adjustments, dimmer settings, and environmental changes all shift the PPFD your canopy actually receives. The Photobio Advanced Quantum PAR Meter gives you accurate, repeatable PAR measurements across the 400-700nm waveband from a compact handheld unit with a remote sensor, so you can dial in every variable with real data rather than estimates. It stores up to 99 readings for easy reference as you work through fixture positioning across your entire grow space, including large-scale facilities powered by the Photobio AC Power Distribution Tree.

The Advanced Quantum PAR Meter is compatible with the full range of modern light sources — including high-efficiency fixtures like the Photobio MX2 680W Full Spectrum LED Grow Light, high-pressure sodium DE grow lights, and any traditional indoor grow light source — making it equally useful in grow tents, commercial greenhouses, and large-scale indoor farms. The kit ships complete with the main unit, remote quantum sensor, a short coiled connection cable, a 12-foot straight connection cable, AAA batteries, and a protective carrying case.

Features

📊
400-700nm PAR Measurement

Measures photosynthetically active radiation across the full 400-700nm waveband — the range with a direct proportional relationship to photosynthesis rate and crop yield.

🔬
Remote Quantum Sensor

Highly accurate remote sensor connects via short coiled or 12-foot straight cable, allowing precise canopy-level readings without moving the main unit.

💾
99-Reading Storage

Stores up to 99 measurements for easy reference while adjusting fixture height, dimmer settings, and other environmental variables across growth phases.

💡
Universal Light Source Compatibility

Compatible with modern LED sole-source fixtures such as the Photobio TX2 800W S5 Full Spectrum LED Grow Light, HPS DE grow lights, and any traditional indoor grow light source.

🧳
Complete Kit

Ships with main unit, remote sensor, short coiled cable, 12-foot straight cable, AAA batteries, and a protective carrying case — everything needed out of the box.

🌱
Grow Tent to Commercial Scale

Compact and portable design suits grow tent hobbyists using the Photobio VP 32W Vegetative LED Grow Light and commercial greenhouse operators alike.

What's Included

  • Advanced Quantum PAR Meter (main unit)
  • Remote quantum sensor
  • Short coiled connection cable
  • 12′ straight connection cable
  • AAA batteries
  • Protective carrying case

Specifications

Specification Value
Measurement Range 400-700nm (PAR / PPFD)
Reading Storage Up to 99 measurements
Sensor Type Remote quantum sensor
Cable Options Short coiled; 12′ straight
Power Source AAA batteries (included)
Compatible Light Sources LED (sole-source & supplemental), HPS DE, traditional indoor grow lights
Shipping Weight 0.86 lbs.
Package Dimensions (L × W × H) 5.6 × 6.2 × 3.2 in.

Frequently Asked Questions

What does a PAR meter actually measure?+

A PAR meter measures Photosynthetically Active Radiation — the quantity of photons in the 400-700nm wavelength range reaching a surface, expressed as PPFD. There is a direct proportional relationship between photon absorption in this range and photosynthesis rate, making PPFD one of the most important variables for maximizing crop yield under any light source.

Is this meter compatible with LED grow lights?+

Yes. The Advanced Quantum PAR Meter is compatible with modern sole-source and supplemental LED fixtures, such as the high-voltage Photobio CX 2125 850W Full Spectrum LED Grow Light, high-pressure sodium DE grow lights, and any traditional indoor grow light source.

How do I use the remote sensor with the main unit?+

The remote quantum sensor connects to the main unit via either the included short coiled cable or the 12-foot straight cable. Use the short cable for close-proximity readings and the 12-foot cable when you need to position the sensor at canopy level while holding the display unit at a comfortable height. Refer to the included manual for full operating instructions.

How does the 99-reading storage help during a grow room setup?+

The 99-reading memory lets you take and store measurements at multiple canopy points across your grow space before reviewing and comparing results. This is particularly useful when mapping PPFD uniformity, adjusting fixture height across a run of lights, or documenting light levels at different dimmer settings across growth phases.

What batteries does the meter use and are they included?+

The Advanced Quantum PAR Meter runs on AAA batteries, which are included in the kit. The meter also ships with a protective carrying case to keep the unit and accessories organized between uses.

Is this meter suitable for commercial greenhouse use?+

Yes. The Advanced Quantum PAR Meter is designed for grow tent, greenhouse, and commercial indoor farm applications. Its compact and portable form factor makes it practical for taking measurements across large facilities, and the remote sensor cable provides canopy-level accuracy without disrupting plant canopy structure.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

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