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WT300S Basic Variable-Speed Peristaltic Pump

WT300S pump adopts DC brushless motor drive which is large torque, free maintenance, more powerful, can cascade multiple pump heads. Has basic function such as start/stop, reversible direction,full speed, adjust speed and state memory. Control the start/stop, reversible direction, adjusts the speed via external analog quality, the time dispensing function. RS485 communication, MODBUS protocol is available, easy to connect other equipments such as computer,man-machine interface, PLC, etc.

Flow: 3-3500mL/min
Max: 2 Channels
Warranty: 3 years for the peristaltic pump drive


Functions and Features

  • Four digits LED indicator display working speed.
  • The LED indicator displays the internal, external control, footswitch etc working modes.
  • Membrane keypad operation.
  • Reversible direction, start/stop, adjustable speed and full speed, power-off memory function
  • Easy dispensing functions, repeats liquid dispensing by time or volume.
  • Can drive multi-channels and various types of pump heads.
  • Stainless steel housing, easy to clean, excellent resistance to the corrosion of the acid, alkali, sodium and the organic solvents.
  • The circuit board with conformal coating makes it dust-proof and moisture-proof.
  • Anti-interference feature, wide input voltage range for complex power environment.
  • External on/off voltage signal controls the start/stop, reversible direction and easy dispensing function, optically coupled isolator; external analog control signal adjusts the rotate speed.
  • RS485 MODBUS interface, easy to be controlled by external device.
  • Optional footswitch or timer for dispensing fluid.


  • Flow range: 1.8-3500 mL/min
  • Speed range: 30-350 rpm/min
  • Speed resolution(rpm): 1 rpm
  • Flow accuracy: 3%
  • Power supply: AC 220V+/-10%, 50Hz/60Hz; AC 100V+/-10%, 50Hz/60Hz
  • Power consumption: <200W
  • External logic level control signal: 5V, 12V (standard), 24V (optional)
  • External analog control signal: 0-5V (standard), 0-10V, 4-20mA (optional)
  • Communication interface: RS485 MODBUS interface
  • Operating condition: 0~40 °C
  • Relative humidity: < 80%
  • IP grade: IP31
  • Dimensions (L x W x H): 286mm x 180mm x 230mm (11.3 inch x 7.1 inch x 9.1 inch)
  • Weight: 6.2kg (13.9 lbs)

WT300S Suitable Pump Heads and Tubing, Flow Parameters

Drive typePump headChTubing sizeFlow rate per channel (mL/min)
GN1012.48×0.76 , 4.48×0.761.8~65

Above flow parameters are obtained by using silicone tube to transfer pure water under normal temperature and pressure, in actually it is effected by specific factors such as pressure, medium, etc. Above for reference only.


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