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Economizer outlet, selective catalytic reduction (SCR) inlet

The gas conditions include high dust and high temperature, so analyzer/probe installation location is critical. NOx and O2 are measured at the inlet and outlet of the SCR to calculate removal efficiency. Ammonia is monitored on the outlet to insure that NH3 slip is low to meet emission limits and to limit contamination. SICK offers in-situ gas analyzers GM32, GM700 and ZIRKOR200 to measure all of these key parameters.

  • Following product families can be used
    Product family GM32
    Measure aggressive gases directly and quickly – even in ATEX zones
    • Direct, fast in-situ measurement
    • No gas sampling, no gas transport, no gas conditioning
    • Up to eight measuring components at the same time, plus process temperature and pressure
    • DOAS and CDE evaluation process
    • Numerous independent measuring ranges with consistent accuracy
    • Automatic self-test function (QAL3) without test gases
    • Overpressure encapsulated design for ATEX Zones 1 and 2
    Product family ZIRKOR200
    Already has the innovation in the cells
    • Measurement cell with extremely long service life due to innovative protection mechanism
    • Measurement cell self-monitoring
    • Fully automated adjustment mechanism integrated into the control unit
    • Version for high temperatures available
    • ZIRKOR remote app for remote access to analyzer
    • Very short response time
    • Suitability-tested according to EN 15267
    • Easy connection of process control systems

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