Fison’s Portable Plant Photosynthesis Meter is a high-precision, handheld device designed to measure key physiological parameters of plants, including CO? concentration, photosynthetic rate, and stomatal conductance. It can measure CO? levels and photosynthetic effective radiation (PAR), providing reliable results. This device operates efficiently in environmental temperatures and humidity, ensuring accurate performance in various field and laboratory conditions. Our Portable Plant Photosynthesis Meter features a colour touch LCD, allowing real-time monitoring and user-friendly operation.