The Modular Dosing System (MoDoS®) from HNP Mikrosysteme is a tailor-made pump system for continuous delivery in fine chemical and pharmaceutical production. MoDoS® is synonym for a design concept and a modular component system, forming the base for the concept development of a customized pump module. The manufacturer-independent selection of the sensors for flow, pressure, temperature, among others is based on the given process parameters. MoDoS® expands the system boundary from pump towards pumping system. Actuators are supplemented by measurement and control technology, and offered as a complete solution for process-reliable pumping in the low flow range.


  • Ready-to-use unit
    fully equipped and assembled system in a rigid framework
  • Modular system of components
    individually equipped with micro annular gear pump, filters, sensors (e.g. flow, pressure, temperature) valves, fluid connections
  • Chemical resistant materials
    material combinations from stainless steel / hard metal to alloy C22 / ceramics, optional titanium
  • High process stability
    mass or volume flow controlled micro annular gear pumps
  • Standard fluidic interfaces
    screw-in fittings or aseptic µ-Clamp
  • Local controller
    integrated controller allows stand-alone mode as well as inte-gration into external process control systems
  • Open design
    easy access and exchange of all components


  • Micro process technology
  • Fine chemistry
  • Pharmaceutical industry
  • Mini plant technology

Versions and examples

MoDoS Lab

mzr-pump, filter, flow meter; L x W x H: 35 x 27 x 27 cm

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MoDoS Pilot

mzr-pump, redundant filters, flow meter; L x W x H: 45 x 45 x 45 cm

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MoDoS Pro

mzr-pump, redundant filters, flow meter, control unit box; L x W x H: 57 x 57 x 57 cm

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MoDoS Slim

mzr-pump, filter, flow meter; L x W x H: 25 x 30 x 45 cm

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Technical data

  • Pumps
    Micro annular gear pumps of hermetic inert and high performance series for volume flows from 0.003 to 1152 ml/min at differential pressures up to 80 bar *
  • Filter
    Filters in stainless steel, alloy C22, PTFE or glass *
  • Mass flow controllers
    Measurement principal Coriolis, thermic, ultra sonic *
  • Fluid connection
    1/4"–28 UNF, 1/8" NPT, 3/8" NPT *
  • Liquid temperature range
    -20 … +150 °C (-4 ... 302 °F) *
  • Viscosity range
    0.3 … 1,000 * mPas
  • Wetted parts
    Material combinations: stainless steel / hard metal, alloy C22 / ceramics, optional titanium *
  • Power supply
    24 V DC, 240 V AC, 400 V AC *
  • Display
    Mass flow *
  • Controller and interfaces
    Mass flow control with touch display, potentiometer, 0–10 V, 0(4)-20 mA, RS-232, CAN-Bus *
  • Remarks
    * depending on the components selected
  • Notice
    Even if single parameters are within the indicated performance range of technical data, certain parameter combinations may not be achievable. Single parameters may exceed their indicated performance range under adequate circumstances. For detailed evaluation please contact HNP Mikrosysteme. Actual performance may vary. Specifications are subject to change without notice. 
    This document is subject to change without notice.

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