8measurement range 0.001-10 ppm chlorine; sample requirements 3 l/min, 20-100 psig, 10-40 degrees c; 1 reagent charge for every 750 hrs of operation; process interface 0.25 in. Nptf w/check valve; 100/115/220/240 vac, 50/60 hz, 5 w; 118 cm h, 30 cm w, 13 cm d