COMBITEC-Concentration & Density

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             COMBITEC combines the functionality of both RHOTEC (density measurement) and SONATEC (sound velocity measurement). The instrument is designed for applications requiring maximum sensitivity and highest accuracy. It is easy to operate and maintenance-free.  As a specific property of each liquid, the correlation between concentration and density resp. sound velocity can be described by a mathematical polynomial. With decades of experience and our own laboratory facilities, Centec know the polynomials for a large number of products. Any temperature drifts of the measured signal are automatically compensated for by an internal Pt1000 sensor. COMBITEC can display liquid density, sound velocity and solution concentration in various units.

  • Most accurate technology to determine density, sound velocity and concentration
  • Patented compact design with local display available
  • Large variety of materials and flange connections
  • Hygienic execution and full CIP capability
  • Easy to operate and maintenance-free
  • Description
  • contact us


Technical Data

Measuring Range Density & Sound Velocity 0 -3 g/cm3 and 400 – 3.000 m/s
Accuracy Density & Sound Velocity ± 0,0001 g/cm3 and ± 0,05 m/s
Repeatability Density & Sound Velocity ± 0,0001 g/cm3 and ± 0,01 m/s
Response Time ≤ 1 s
Pressure of Operation max. 16 bar
Temperature of Operation – 25 – + 125 °C
Temperature Sensor Pt1000
Material 1.4404/1.4435/AISI 316L; Hastelloy; Tantalum; others on request
Connections compatible to Varivent© inline-housings DN40 – DN150; others on request
Input Transmitter Version 10 x digital (24 VDC) & 2 x analog (4 – 20 mA)
Output Transmitter Version 5 x digital (24 VDC) & 4 x analog (4 – 20 mA)
Profibus DP Transmitter Version option
Profibus DP Sensor (w/o local display) standard
Enclosure Rating IP65
Power Supply 24 VDC


บริษัท สยามพอลลูเทค จำกัด

Address : 40/25 Sukumvit 101/1 Bangna Bangna Bangkok 10260
Tel : 02-747-8234-37
Contact : ธรรมนูญ อมรรัชยา
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