https://growace.com/blog/why-is-par-rating-a-big-deal-for-indoor-grow-light-systems/

Jun 20, 2017 ... PAR is one of the biggest factors on whether your grow lights will provide ... of HID grow lights, CMH grow lights, LED grow lights and T5 grow lights. ... for your needs is the PAR output (or “PAR rating”) of a given grow light.

https://lumicrest.com/par-mean/

PAR stands for Parabolic Anodized Reflector. What's that? Many halogen spot and flood lights use a parabolic (U-shaped) reflector to collect and reflect the light  ...

https://www.blackdogled.com/faq_par

Black Dog LED provides all the information you need to know regarding PAR lighting and measurements. See how PAR is important in comparing grow lights.

https://advancedledlights.com/blog/technology/lumens-vs-par-grow-test-led-grow-light-technology/

Nov 4, 2010 ... LED Grow Lights – Lumens vs PAR Test (Ongoing). Before we begin, please answer the following question: Which light do you would think is ...

https://currentusa.zendesk.com/hc/en-us/articles/115000904586-How-much-PAR-and-what-wavelength-do-the-Satellite-LED-fixtures-produce-

Feb 20, 2017 ... The following PAR readings are for our Satellite, Satellite Plus and Satellite Plus PRO LED ... Satellite LED strips are IP65 rated and 12VDC.