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RP600S Valveless Rotary Piston Pump


The basic rotary piston pump is a small liquid precise transmission pump developed by Lead Fluid. It is suitable for high-precision dispensing and transmission of microfluids. Unique design of rotary pump head with consideration of accuracy and efficiency. The perfect combination of LCD and membrane key can display real-time information such as rotational speed, number of cycles and so on. The operation of users is intuitive and simple. External control input support wide voltage input, analog voltage and current can be automatically switched through software settings. Stainless steel shell design, simple and smooth, suitable for various working environments. The program has more parameter settings to make it perform well in different workplaces.

Flow: 0-432mL/min
Max: 1 Channel
SKU: RP600S Category:

Functions and Features

  • Unique design of rotary pump head, compact structure, stable and reliable
  • The outlet pressure can reach 6.9 bar. With reasonable pipeline design, the transmission capacity of viscous liquid can be improved.
  • Can’t transport liquid containing solid particles
  • The flow rate does not change with the change of inlet and outlet pressure, so it has more reliable flow rate and liquid volume accuracy
  • Single cycles liquid volume adjustable, dispensing repetitive accuracy error<0.5%
  • Efficient and stable LF-LCD-OS Software System
  • New user interface, LCD panel, keyboard shortcut operation
  • Three working modes: flow rate, time dispensing and volume dispensing
  • The basic functions of start-stop control, reverse direction, full-speed emptying, speed regulation and so on.
  • Unique back suction function, effectively prevent liquid drip leakage
  • Support MODBUS protocol RS485 communication, can realize remote digital control, support the setting of communication parameters, and facilitate the connection with various control devices
  • Adaptive external control signal input, support 5-24V wide voltage, physical isolation, with start-stop, reversible direction functions
  • Can set different analog signals
  • Open multiple control parameters for OEM customized applications
  • The process of spraying three anti-paint on circuit board can achieve the effect of dust and moisture proof
  • All stainless steel shell design, high strength, impact resistance, corrosion resistance
  • Super anti-interference characteristic, wide voltage design, suitable for complex power supply environment


  • Pump Head: RH1CKC, Q2CKC
  • Flow per cycle: 0-0.1 mL(RH1CK),0-0.72 mL(Q2CKC)
  • Flow Range: 0-60 ml/min(RH1CK), 0-432 ml/min(Q2CKC)
  • Speed Range: 0.1-600 rpm
  • Outlet pressure: 0.69Mpa
  • Speed Resolution: <0.1 rpm
  • Speed accuracy: <±0.2%
  • Dispensing cycles: 1-9999
  • Dispensing time: 0.1-999.9 S/Min/H
  • Dispensing number: 1-999,0 Infinite cycle
  • Dispensing interval: 0.1-999.9 S/Min/H
  • External control signal: External control analog 0-5V/0-10V/4-20mA,software setting, automatic switching outside control start and stop,directional signal support 5V~24V wide voltage
  • Communication signal: RS485 communication, support MODBUS protocol
  • Power supply: AC 100-240V 50/60Hz
  • Power consumption: <60W
  • Working environment: temperature0-40℃ relative humidity<80%
  • IP grade: IP31
  • Dimension: 315×160×240 mm/12.4x 6.3 x 9.4 inch (RH1CK),345×160×240 mm/13.6x 6.3 x 9.4 inch (Q2CKC)
  • Weight: 4.7kg/10.36 lbs (RH1CK),4.9 kg/10.8 lbs (Q2CKC)

RP600S Suitable Pump Heads

Drive model

Pump Head

Single Cycle


Flow Range

Pump Head Material



0-0.1 mL


0-60 mL/min



0-0.72 mL


0-432 mL/min


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.

Additional Information

Weight 20 lbs