5 parts/trillion sensitivity; 21 in. W, 11 in. H, 11.750 in. D o/a; power unit 8.750 in. W, 9.250 in. H, 16 in. Deep; 105/130 vac, 60 hz, single phase, 340 watts; dual monochromator; xenon lamp source; excitation radiation 200/700 nm; double scale meter 7 ranges; digital wavelength indication; thermostatic detector; compartment holds 12 x 75 mm round, 10 x 10 mm square cuvettes; diffraction grating excitation monochromator 15 nm slit, emission monochromator 15/60 nm slit; 150 watt lamp; taut band meter, 5.5 in. Scale, ranges 1/3/10/30/100/300/1000