Executive standard JB/T 9248-1999 Nominal diameter 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000 Maximum flow rate 15m/s Accuracy DNl5 ~ DN600 indication of the value of: ± 0.3% (flow rate ≥ 1m / s); ± 3mm / s (flow rate < 1m / s) DN700-DN3000 indication of the value of ± 0.5% (flow rate ≥ 0.8m / S); ± 4mm / s (flow rate & lt; 0.8m / S) Fluid conductivity ≥ 5uS/cm? Nominal pressure 4.0MPa 1.6MPa 1.0MPa 0.6MPa 6.3, 10MPa DNl5 ~ DN150 DNl5 ~ DN600 DN200 ~ DN1000 DN700 ~ DN3000 Special Order Environmental temperature DN3000 Special order Ambient temperature Sensor -25℃-1060℃ Converter and one-piece type -10℃-1060℃ Lining material PTFE, polychloroprene rubber, polyurethane, polyperfluoroethylene propylene (F46), plus the network PFA Maximum Fluid temperature -Body type 70°C Separate type Polychloroprene lining 80°C; 120°C (specify when ordering) Polyurethane lining 80°C PTFE lining 100°C; 150°C (specify when ordering) Polyperfluoroethylene propylene (F46) Screened PFA Signal electrode and ground electrode material Stainless steel 0Crl8Nil2M02Ti, Hastelloy C, Hastelloy B, titanium, tantalum, platinum/iridium alloys, stainless steel coated with tungsten carbide Electrode scraper mechanism DN300-DN3000 Connection flange material Carbon steel Grounding flange material Stainless steel 1Crl8Ni9Ti Inlet protection flange material DN65-DNl50 Stainless steel 1Crl8Ni9Ti DN200 to DNl600 carbon steel ten stainless steel 1Crl8Ni9Ti shell protection DNl5 ~ DN3000 separated rubber or polyurethane lined sensors IP65 or IP68 other sensors, - body type flowmeter and separated from the type of converter IP65 distance (separated from the type of converter distance from the sensor is generally no more than 100m