The new Apogee PAR-FAR sensor is a research-grade tool for measuring both the traditional PPFD photosynthetic photon flux and separately quantifying the photon flux of far-red photons (700-760 nm). The outputs include the traditional quantum flux, the far-red photon flux, and...
(certified from an accredited laboratory. 5 -year stability and easy handling) features: convenient 250 ml and 500 ml plastic bottle with built-in calibration compartment economical, since only about 20 ml of buffer is used per calibration actual value is determined by a dkd...