Application： 

This product is suitable for metallurgical, chemical, mining, petroleum and textile enterprises, underground engineering, sewage treatment and other solid, semisolid floating objects, mucus, waste water tank and other liquid level control and alarm containing acid, alkali and oil.

 

 Performance characteristics： 

The control box of ZN series sewage pump is a new automatic control device for water supply and drainage in China. It is the upgrading product of the old float ball level control device. This product is made up of two parts: ultrasonic sensor and electric control box. Ultrasonic sensor is a non-contact distance measurement product, which consists of ultrasonic transducer and signal transducer. The output of 4-20mA standard signal is accurate and reliable. Corrosion resistance, long life and so on. At the same time, it can be installed away from the tested objects and is easy to maintain. The electrical control box has two working modes, manual and automatic, which can be divided into two types, indoor and outdoor. With non-contact control, the panel is equipped with light display to show the running state of the motor. It has the display of liquid level, distance and so on, as well as the remote signal, so that the main control station can monitor the device in time.
●Contactless control structure
●Principle of ultrasonic testing
●Renewal and replacement products of the floating ball level control device

 

 Technical parameter： 

The control box and the ultrasonic sensor constitute a water pump controller to automatically control the water supply and drainage level of the 1-2 pumps.
This product has manual and automatic working mode, and the pump operates automatically according to sensor signal in automatic operation mode.
The product can be set at any position of the liquid level. It can start double pumps or start double pumps at the same time. It can also start the single pump at low position and start the pump at high position.

 Product model and its meaning： 

 Circuit scheme： 

 

 Order notes： 

1. The length of the control cable is more than 10 meters. The cable length should be increased.
2. The power cables and power cables of the pump are provided by the users, and the control cables are supplied by the supplier.
3. The product name and model specification should be specified when ordering.

 

 Wiring diagram：