APOGEE - MQ500 FULL SPECTRUM QUANTUM SENSOR (400-700NM)The MQ 500 quantum meter is the tool of choice for scientists all over the world to accurately measure photosynthetically active radiation from all light sources. It has a hand held meter, attached via cable, that displays and stores measurements. The sensor incorporates a blue enhanced silicon photodiode and custom optical filters with a rugged, self cleaning sensor housing design, anodized aluminum body with acrylic diffuser. Typical applications