Hangzhou Qianqiu Electrical Applicance Co., Ltd. is a factory which specializes in researching and developing hydrological electronic equipments. Based on the original equipments and suggestions of hydrological professionals, combining the features of each hydrological station, our company developed the hydrological equipments after repeating modifications and field use. We use brand new frequency converter, microcomputer, wireless code remote and carrier transmission technology. It has the advantages of convenient installation, simple operation, stable performance, correct measurement, adjustable parameters, result saving, digital display, especially the carrier or wireless connection with the underwater signals. It features high anti-jamming ability, correct and clear signals, readable momentary flow velocity, average flow velocity, period and number of signals, 150 measuable points. It's equipped with 64K memory size, RS485/RS232 standard connector. The measured parameters and results can be preserved under power-off condition for 10 years without loss. The intelligent connector is used for sampling signals which is suitable for low, middle and high velocity current meters. The QQSW-3 type is equipped with video display. This equipment uses advanced technology and is an ideal equipment for  hydrologic trap and ship measurement.

Models of our products:

1.QQLS-1 （portable）

2.QQSW-1（common type, without flow tracker）

3.QQSW-2（with intelligent flow tracker）

4.QQSW-3（with intelligent flow tracker and video display）