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. Display Output Unitµmol of chlorophyll per m² of leaf surface Measurement Area 63.6 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 Time Less than 3 s Storage Capacity 8 MB for up to 160,000 data measurements; 94,000 data measurements with GPS data entries User Interface 50 mm by 15 mm graphic display screen, 8 push buttons for control and data manipulation Data Output Mini-B USB port provided for main data transfer, RS-232 port can be used with GPS for integrated measurement External GPS Option RS-232 port (GPS location data is saved with each measurement) External Operating Temperature 0 to 50 C Temperature Drift Temperature compensated source and detector circuitry over full range Auto-off Interval 4 minutes (with no key press or download)Power Requirement Standard 9 V DC alkaline battery Dimensions 152 mm length, 82 mm width, 25 mm height Mass 210 g Warranty 1 year against defects in materials and workmanship PatentU.S. 9733179
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