"SMALL, LIGHTWEIGHT DESIGN; WEIGHS LESS THAN 850 GRAMS; SUITABLE FOR FIELD TESTING OR ON-THE SPOT PROCESS MONITORING; MICROPLATE WELL-STRIPS (1 X 8 OR1 X 12) AND TEST TUBES (12 X 75 MM); BATTERY OPERATED (6) AA ALKALINE BATTERIES, OR AC (120V OR 240V); INTERCHANGEABLE FILTERS, WAVELENGTH RANGE: 400-750 NM; READINGS DIRECTLY FROM STANDARD 12 MM ROUND REACTION TUBES OR STRIPS; NO NEED TO PURCHASE SPECIAL CUVETTES OR DEAL WITH SAMPLE TRANSFERS; RS 232 CONNECTION ALLOWS READING CONNECTIONS TO COMPUTER AND OPTIONAL PRINTER; ABSORBANCE READINGS, CONCENTRATION CALCULATION, CUT-OFF FUNCTION. DATA STORAGE, 125 SETS; SOLID-STATE SILICON PHOTODIODES; FOCALIZED TUNGSTEN LAMP 6V/ 2W; 9 X 13MM STANDARD WELL-STRIP; ROUND CUVETTE HOLDER 12MM IN DIAMETER; 850 GRAMS WITH POWER ADAPTER"