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List of equipment specifications: The instrument must have the option to do both stomatal conductance and chlorophyll fluorescence on the same leaf area. Built in Photosynthetically Active Radiation (... List of equipment specifications: The instrument must have the option to do both stomatal conductance and chlorophyll fluorescence on the same leaf area. Built in Photosynthetically Active Radiation (PAR) sensor measures ambient light with each measurement. Built in accelerometer/magnetometer to measure heading, pitch, and roll. Built in GPS to record latitude, longitude, and altitude with every measurement. Software calculates leaf angle of incident with data from accelerometer/magnetometer and GPS. The instrument must have an internal bar code scanner to help with both repetition speed and data organization. The instrument must include a software application to configure, calibrate, download and stream data. The instrument desktop software must include a barcode generator for creating custom barcode labels. The instrument must include a tripod mount for teaching and lab studies. The instrument must be able to take a combined stomatal conductance and chlorophyll fluorescence measurement in less than 10 seconds. The instrument aperture size must be 0.76 cm diameter to ensure the majority of leaf area morphologies can be measured. Infrared leaf temperature (IRT) sensor eliminates the leaf contact point. The instrument must be ergonomic and lightweight (<2lbs) for effortless measurements all day. The instrument must have a display to show the instrument status and the last measurement. The instrument must contain internal Lithium/Ion batteries for 8 hours of nominal operation. The measurements must be made with one handed operation without a separate console. Fluorometer must have options for both rectangular and multiphase flash events.