07/29/2011 • Analytics • Laboratory appliances

Refractometer iPR2

Automatic Process Refractometer for Continuous Measurement of Dissolved Solids in Solutions

For more than 30 years inline Process Refractometers iPR from Schmidt+Haensch have been used successfully in the process analytical measuring technology. Based on their different ranges and housing types they can be perfectly integrated in to almost every process.


The new generation of iPR2 refractometer models for continuous measurement of dissolved solids in solutions comes with additional or enhanced features:


  • Integrated display
  • Temperature measurement close to the sample within the sapphire prism
  • Extremely short measuring time (e.g. ≤ 1 S for model iPR Compact 2)
  • Stainless steel sensor meets the hygiene requirements of the food and pharmaceutical industry
  • Process temperatures up to 150 °C possible
  • Temperature compensation (e.g. Brix scale) for individual products
  • 3 user scales programmable
  • Integrated display
  • Error read out at user display
  • Electronic moisture sensor included
  • Internal desiccant bag inside the unit for increased life span of the electrical and optical components
  • Explosion proofed (ATEX) versions are available
  • Light source 589 nm LED, life time guarantee
  • User settable digital limit switches
  • Galvanic isolated 4 – 20 mA outputs
  • Serial interface, alternatively RS232, RS422 or switch to USB


Designated use:

  • Real-time measurement
  • Determination of refractive index
  • Determination of dry content (BRIX)
  • Determination of mixing ratio
  • Quality and concentration control of dissolved solids
  • Interface detection
  • Pollution determination of solutions
  • Process control
  • Process monitoring
  • Control of degreasing and industrial washing machines

Terms of search:

  • Inline measurement
  • Real-time determination
  • Refractive index
  • Determination of dry substance
  • Concentration measurement
  • Process control
  • Process monitoring


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Schmidt & Haensch GmbH

Waldstr. 80/81
13403 Berlin

Phone: +49 (0)30/41 70 72-0
Fax: +49 (0)30/41 70 72-99