PH meter 1,PH range:6.8-7.8 CL range:0.3-3.0 2, ... Box size:15*7.8*3cm 3,material:plastic PH ... products have passed CE,ISO and ROHS certification.1,PH range:6.8-7.8 CL range:0.3-3.02,Box ... received ,please contact with us, telephone, mail, fax.our logo PH meter