Solarmeter® by Solar Light Company, LLC is the industry standard for UV and visible light radiometers. Cultivate and preserve healthy plants using the Solarmeter® GrowMeters, and Solar Light’s Digital and/ or Analog Quantum Light (PAR) calibrated sensors. Our point-and-click NIST-traceable meters are used to monitor lamp intensity and aging for horticultural applications. By measuring the intensity of luminaires and grow lights, these meters will ensure lamps are performing as needed to produce healthy valuable crops.