LaMotte SMART 2 Electronic Soil Lab - Manual (Page 6)

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SPECIFICATIONS
n INSTRUMENT TYPE: Colorimeter
Readout Graphical 4 line, 16 character per line LCD
Wavelengths 430nm, 520 nm, 570 nm, 620 nm
Wavelength Accuracy
± 2 nm
Readable Resolution Determined by reagent system
Wavelength Bandwidth
10 nm typical
Photometric Range
-2 to +2A
Photometric Precision
± 0.001A
Sample Chamber Accepts 25 mm diameter flat-bottomed test tubes
Light Sources 4 LEDs
Detectors 4 silicon photodiodes with integrated interference
filters
Modes Absorbance , pre-programmed tests
Pre-Programmed Tests YES, with automatic wavelength selection
RS232 Port 8 pin mini-DIN, 9600b, 8, 1, n
Power Requirements Battery Operation: 9 volt alkaline
Line Operation: 110/220V AC;
50/60 Hz with adapter, 6V 500 mA DC
Dimensions (LxWxH) 8.5 x 16.2 x 16.7 cm, 3.4 x 6.4 x 2.6 inches
Weight 312 g, 11 oz (meter only)
Data Logger 350 test results stored for download to a PC
6 SMART2 SOIL MANUAL 1.07