1.DN3~3000 2.Ambient temp.:-25~+60deg.C,-10~+60deg ... of fluid density,viscosity,temperature,pressure and conductivity;2.The inside of measuring tube do not have ... the begining our company named as Qinfeng Flow meter.we are the professional manufacturer of flowmeters,thermometers, ... Industrial Park,Changzhou,Jiangsu Prov.,ChinaWebsite:www.qf-meter.comSkype:vicky_china68 Tel:+86-519-85327611 Fax:+86- ...