PH meter 1,PH range:6.8-7.8 CL range:0. ... ,Box size:15*7.8*3cm 3,material:plastic PH meterOur products have passed CE,ISO and ROHS certification ... .1,PH range:6.8-7.8 CL range:0.3 ... by sea transport.2,By air Usually by federal express transportation,DHL,But because of the diversity of products, ... contact with us, telephone, mail, fax.our logo PH meter