Chlorophyll Meter Comparison Table

In an effort to help you choose the most appropriate meter for your application we have provided this table of features and specifications for several popular research grade chlorophyll meters.
SpecificationMC-100Dualex Scientific+TMCCM-300CCM-200 PlusSPAD 502
Product Image MC-100 Dualex Scientific+TM CCM-300 CCM-200 Plus SPAD 502
Price < $2000 > $6000 > $2500 < $2000 > $2500
Measurement Technology Optical Optical Fluorescence Optical Optical
Display Output Unit µmol of chlorophyll per m-2 of leaf surface Chlorophyll Index DUALEX ® mg of chllorophyll per m-2 of leaf surface CCI Index Units SPAD Index Units
Measurement Linearity    
Measurement Area 63.6 mm-2 (9.0 mm standard diameter), 19.6 mm-2 5.0 mm diameter with reducer) 19.6 mm2 (5 mm diameter) 7.07 mm2 (3 mm diameter) 63.2 mm-2 (9.0 mm diameter) 6 mm2 (2 mm x 3 mm)
Resolution ± 10.5 µmol per m-2 using the generic equation Not Advertised Ratio 0.01 or 1 mg per m-2 ± 0.1 CCI Units ± 1 SPAD Units (0.0 to 50.0 SPAD)
Repeatability ± 1 % Not Advertised ± 0.03 with good signal strength ± 1 % ± 0.3 SPAD Units
Sample Acquisition Time < 3 seconds < 0.5 seconds 5 seconds < 3 seconds Approx. 2 seconds
Storage Capacity 8 MB for up to 160,000 data measurements, 94,000 data measurements with GPS data 10,000 multiparametric measurements (date time group and GPS) Up to 2 GB of non-volatile flash memory 8 MB for up to 160,000 data measurements, 94,000 data measurements with GPS data 2900PDL model records 4,096 measurements (1488 with gps)
External GPS Option Compatible via RS-232 port Internal GPS included, > 1 m accuracy (pass to pass) None RS-232 port (GPS location data is saved with each measurement) 2900 DPL model connect to any GPS receive that has a serial output
Dimensions (L x W x H) 15.2 x 8.2 x 2.5 cm 20.5 x 6.5 x 5.5 cm 12 x 9 x 3 cm 15.2 x 8.2 x 2.5 cm 164 x 78 x 49 cm
Weight 162 g with battery 220 g with battery 275 g with batteries 162 g with battery 200 g without batteries