VariRef – Flow Through Pump

Peristaltic pump for automated filling

  • High torque grants the use of double channel pump heads and multiple pump heads
  • Up to eight channels
  • Variety of pump heads
  • Manual speed adjustment
  • Membrane keypad and rotary encoded switch, easy to operate

Different pump heads can be used with the Schmidt + Haensch Vari peristaltic pump, resulting in flexibility in your day-to-day usage. Depending on the tubing material in use, this pump type can be used for various chemicals, corrosive and aggressive, as well as sterile solutions.
The user-friendly membrane keyboard enables the user to regulate the flow speed (RPM) using the switch arrays.
Furthermore, the user can activate a “quick flow mode” by pressing the button on the membrane keyboard.
Via external adapters for other signals, steering the pump externally is also possible. A footswitch can be attached to the pump to enable the pumping function as long as the footswitch is activated.


Speed: 0.1 to 100 rpm, reversible
Speed precision: 0.1 rpm
Speed control: Membrane keypad and rotary encoded switch
Display: 128 x 64 graphic LCD displays flow rate and speed (rpm)
Communication interface: RS485
Power supply: 220 Vac ± 10%, 50/ 60 Hz,
110 Vac± 10%, 50/ 60 Hz
Power consumption: < 50 W
Operating condition: 0 to 40 °C
Relative humidity: < 80%
Dimensions (L x W x H in mm): 202 x 160 x 239
Drive weight (without Pump Head): 5.34 kg
IP code: IP 31