转子流量计

转子流量计, flow rate 0-33 mL/min, with needle valve

转子流量计, flow rate 0-454 mL/min, with needle valve

转子流量计, flow rate 0-244 mL/min, with needle valve

转子流量计, flow rate 0-33 mL/min, without needle valve

转子流量计, flow rate 0-454 mL/min, without needle valve