Specifications Measured parameters:Optical absorbance in two different wavebands: 653nm (Chlorophyll) and 931nm (Near Infra-Red) providing CCI value Measured area:1cm diameter circle Resolution:0.1 CCI unit Repeatability:+/- 1 % Sampling acquisition time: 2-3 seconds Source: Custom 2 wavelength LED module Detectors:Two silicon photodiodes with integral amplifiers for absorbency measurements, power monitoring and temperature compensation Data modes:Single point, selectable 2-30 point average and a statistical 10-30 point protocol that disregards data beyond a 2 sigma standard deviation Storage capacity: Up to 160,000 measurements User Interface: 128 x 32 pixel graphic display, 8 keys for measurements, data manipulation, beep signal status and warnings Output:USB 1.1 and RS232. By single measurement or complete storage file Operating temperature range:0-50Deg.C Temperature compensation:Temperature compensated source and detector circuitry for minimal drift over full range Battery:9V alkaline battery Auto off interval:4 minutes (with no key press or download) Dimensions:152 x 82 x 25 mm Weight: 162g
