The patented MC-100 directly measures and displays chlorophyll concentration from intact leaf samples without damaging the plant material. The meter is calibrated to measure chlorophyll concentration with units of µmol of chlorophyll per m2. For reference and comparison purposes the meter also outputs relative units (CCI or SPAD). Typical application include chlorophyll concentration determination in leaves for assessment of nutrient status, fertilizer requirements, evaluation of stress, and optimization of harvest.
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Display Output Unitµmol of chlorophyll per m² of leaf surfaceMeasurement Area63.6 mm² (9 mm standard diameter), 19.6 mm² (5 mm diameter with reducer)Resolution± 10 µmol per m² chlorophyll concentration using the generic equation (less for specific species)Linearity± 1 %Repeatability± 1 %Sample Acquisition TimeLess than 3 sStorage Capacity8 MB for up to 160,000 data measurements; 94,000 data measurements with GPS data entriesUser Interface50 mm by 15 mm graphic display screen, 8 push buttons for control and data manipulationData OutputMini-B USB port provided for main data transfer, RS-232 port can be used with GPS for integrated measurementMeasured VariablesRatio of optical transmission at 931 nm to optical transmission of 653 nmExternal GPS OptionRS-232 port (GPS location data is saved with each measurement)External Operating Temperature0 to 50 CTemperature DriftTemperature compensated source and detector circuitry over full rangeAuto-off Interval4 minutes (with no key press or download)Power RequirementStandard 9 V DC alkaline batteryDimensions152 mm length, 82 mm width, 25 mm heightMass210 gWarranty1 year against defects in materials and workmanshipPatentU.S. 9733179