device is not in contact with sample gas
automatic zero and reference point check
automatic measurement and correction of soiling of optical surfaces
hermetically sealed enclosures - no flue gas diffusion to optics or electronics
optimized purge air reduces pollution, provides for long maintenance intervals
in situ measurement, continuous measurement
suitable for systems with variable stack gas speed
allows calibration to measure the smoke spot number in flue gas
heated optical window
easy installation, adjustment and maintenance without a PC
local control panel displays output signal
automatic range switching output
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>>> Tìm hiểu D-R 320