chemical pump / electric / peristaltic / laboratory
400DM2 series Watson-Marlow Fluid Technology Group



  • Media:

    for chemicals

  • Operation:


  • Type:


  • Domain:


  • Other characteristics:

    automatic, remote control, control

  • Flow:

    Max.: 0.036 l/min (0.0095 us gal/min)

    Min.: 0 l/min (0 us gal/min)

  • Pressure:

    30 psi


The Watson-Marlow 120S/DM2 and 12OU/DM2 pumps constitute a 400DM2 twin channel pumphead that is powered by a 120 automatic or variable speed drive. The pumphead can handle manifold tubing with a 0.8mm wall and 3-bridge characteristics, with 0.13 to 2.79 internal diameter sizes. The pump has 36 ml/min maximum flow rates.
120 series of pumps have a very compact footprint which saves space in clean room, LAF and biosafety cabinet installations. The 120U is equipped with 0.1 to 100 rpm in 0.1 rpm increments. It has a manual remote control or automatic control through 4-20mA or 0-10V inputs. Its features include priming, speed scrolling and keypad lock. The 120S has a manual control, 1 to 100 rpm with 1 rpm increments. Its features include keypad lock, speed scrolling and priming. Flow rate is at 0.0001 to 36 ml/min at 30 psi or 2 bar.