Pressure monitoring unit PHASEGUARD

measurement

In-line Phase Switch for Turbidity or Colour The PhaseGuard monitors phase transitions of turbidity or colour. Three models of the PhaseGuard cover the possible applications: phase switch for turbidity (model T), for colour (model C), for high turbidity (model HT). The PhaseGuard is factory adjusted with a universal measuring range based on absorption. For simple applications and system integration the instrument configuration and communication can be easily done using the serial interface in combination with the existing outputs. For a more comfortable installation and operation the optional control unit SICON with touch screen technology and colour display can be connected. Sealless design Extremely low maintenance Recognition of the phase change by turbidity or colour Wavelength turbidity LED 880 nm Wavelength color LED 430 nm Measuring principle Absorption Nominal range 0 .. 100 % Absorption Resolution 0.5 % Absorption Installation In-line housing Varivent® or compatible Enclosure Stainless steel 1.4301 Protection index IP66 Sample temperature -10 .. +100 °C Pathlength 10 mm (models T & C) 5 mm (model HT) Outputs 1 x 4 .. 20 mA 2 x Open-Collector Transistor Pipe diameter ≥ DN 40 (modells T & C) ≥ DN 65 (model HT) Supply voltage9 .. 30 VDC Power input < 2 W (with Profibus DP: < 3 W) Power input < 2 W (with Profibus DP: < 3 W)