Speicial for Pressure Booster Pumps Controller L921-B

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Non-Linear
• Signal: Continuous
• Function: Monitoring
• Certification: CCC, CE
• Model NO.: L931-B
• Condition: New
• Customized: Can Be Customed
• Unit Dimension: 30. 2 X 24X 12cm
• Unit Weight: 2. 48kg
• Working Temperature: - 25 to 55 Degree
• Working Humidity: 20% - 90%Rh, No Drips Concreted
• Degree of Protection: IP54
• Pressure Transmitter: 0.5-4.5V Analog Signal
• Dynamic Pressure Value: Visualable
• Transport Package: Carton & Giftbox
• Specification: CE
• Trademark: Optional
• Origin: China
• HS Code: 90328990
• Production Capacity: 50000/PCS

Product Description

L931-B
Application: Control&Protect three phase pump for pressure boosting, DOL

Model L931-B is specially designed for pressure booster pumping system by adopting pressure transmitter (0.5-
4.5v), pump user can easily set the different pressure value and observe the dynamic pressure value in the pipeline.

Main features:


Single pump control
- Present pressure transmitter with 0.5-4.5v analog signal
- Easily setting the different pressure value and observing the
Dynamic pressure value
- Eliminates the pressure switch, pressure setting for one pump
- Automatically stop the pump in the case of water shortage,
Protecting it from drying running without installing the float
Switch or liquid probe in the well
- Auto / Manual switch
- Pump accumulative running time displaying
- Pump last five fault record displaying
- LCD displays pump running information
- Protect the pump against many faults
- Grade of Protection IP 54
- Present remote monitor
- Present one dry contact point
- Visual & Application: Control&Protect three phase Pump for Pressure Booster Pump Controller, DOL