Features | 1.completely plastic shell, solid and robust design, long service guaranteed. 2.High quality materials fiberglass reinforced polymerization amine (UL NO.: E154352: SGS Report NO.: CE/2006/34019), corrosion resistance. 3.The measuring mechanism can be exchanged. 4.Anti-magnet. 5.External calibration device. 6.Large measuring range high flow accuracy. 7.Steady curve characteristics |