Water flow meter sensor, better than siemens water flow meter sensor. Now, the market of water flow meter sensor is very hot. There exists about 80 factories located in the suburb of dongtai city in zhejiang province, the cluster of this industry. But the market there is also filled with chaos. Many companies live on purchasing components to reassemble; some company may think it too troublesome and the work as briefcase company to declare that they are manufactures of water flow meter sensor. This situation is worrying. The so-called manufactures do not have their own calibrator at all, leave alone the accuracy of water flow meter sensor.