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Densimetry Sensor DP-10


Density measurement of liquid de-icing agents

The density meter DP-10 developed by SOMMER Messtechnik helps to detect the concentration of NaCl, CaCl or MgCl in water when producing brine. As a measuring method oscillating transducers are employed. Brine stations and salt mixing stations are typical implementation examples for the DP-10.


Features and advantages

  • Real-time measurement
  • Device facilitates automated mixing processes
  • Different, suitable system for all requirements
  • Robust construction for applications in demanding environmental conditions
  • Easy installation and operation


Density measurement made easy

Liquid de-icing agents are considered to be an ideal solution to cope with icy roads since a long time. The density meter DP-10 was especially developed for the requirements of winter road services when it comes to mixing the brine. Other than the conventional, manual density measurement using a spindle, it's the DP-10's advantage that - via a bypass - the measurement can be done in process condition and therefore in real-time. Depending on the individual requirements, different product variations can be selected: The standard version with analogue output for further data processing, an enhanced version with internal LED-display (DP-10/A) as well as a system solution with integrated mixing controller and LED-display (DP-10/MR).


Technical details

  • Measuring principle oscillating U-tube principle
  • Measuring range 1.000 – 1.400 g/cm³
  • Resolution 0.001 g/cm³
  • Functions determination of concentration of NaCl, CaCl, MgCl in water (switchable for NaCl, CaCl and MgCl)
  • Interface (analogue) concentration, specific density; signal: 0 ... 10 V
  • Interface (digital)
    • service-interface RS 232
    • transfer rate: 9.6 kBd
    • protocol: ASCII
  • Power supply 20 ... 30 V DC/AC
  • Power consumption 80 mA
  • Operating temperature -25 °C ... +50 °C
  • Medium-temperature -30 °C ... +30 °C
  • Dimensions housing (mm) 150 x 340 x 100 (width x height x depth)
  • Material measuring pipe stainless steel corrosion resistant DIN 1.4439
  • Medium-connection pipe diameter 10 mm
  • Weight approx. 2 kg
  • Protection IP 65

Additional Info

  • Characteristics: stationary measuring system
  • Features: contacting measurement

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