Request InfoGigahertz-Optik Inc.Gigahertz-Optik Inc. has announced the BTS256-PAR handheld spectrometer-based photosynthetically active radiation (PAR) meter for natural or artificial light source analysis. The device provides PAR, illuminance, color and spectral data, measuring photon flux density, red to far-red irradiance ratio, daily light integral and SIN ASY1, ASY2, ATP1, ATP2 irradiances. The meter also measures scotopic and photopic illuminance and ratio, equivalent visual efficiency factor, spectral irradiance, color coordinates, color temperature, delta UV, color rendering index, color quality scale, and...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra February 2024 IssueCircadian Light MeterThe MSC15-CS from Gigahertz-Optik is a handheld spectral circadian stimulus light meter that helps to model circadian phototransduction in humans by measuring optical radiation in industrial and...Photonics Spectra December 2022 IssueUV RadiometerThe Cure-Met UV radiometer from Gigahertz-Optik GmbH handles the high temperature and intense UV or blue light levels found in UV curing processes. 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