The European Brand Aqualabo STAC 2 Online BOD COD TSS NO3 Analyzer is come with High accuracy and follow all CPCB Guidlines. It is come with the xenon flash lamp, which provide it long life and accuracy. Water is largely transparent to ultraviolet and visible light. The STAC2 analyser measures the absorbance of ultraviolet light, at a broad range of wavelengths. Organic content of the sample stream absorbs UV light, and thus the measurement of UV absorbance provides an adequate indication of the organic concentration in the sample. It thereby creates a unique fingerprint of the water. [sdm_download id="4975" fancy="0"]