Instrument type: Portable colorimeter to measure clear transparent li quids in the lab, measuring range: 400-700 nm, viewing geometry: filter photometer with reference beam path and 8 spectral wavelengths, measured area/volume: 3 ml for 11 mm diameter cuvettes, 5 ml for 50 mm, repeatability: < 0.001E, measuring scales: 5 scales (Iodine, Hazen, Gardner, Sybold, ASTM D 1500), calibration standard: automatic zero measurement against air, power supply: mains operation 90-240 V a.c., 47-60 Hz or rechargeable batteries, interfaces: printer LD 500, dimensions (L x H x W): 260 x 200 x 90 mm, weight: 1.4 kg, included accessories: power pack, operating intructions, recommended optional: addista test solutions, disposable cuvetts with 11 mm diameter, accessories.