The CEM500-L is an extractive online gas analyser for Continuous emission monitoring (CEMS). It is specifically dedicated to the new low level emission Regulations known as 50/30/5/3 (50 mg/Nm3 NOx, 30 mg/Nm3 SO2, 5 mg/Nm3 particles, 5 μg/Nm3 mercury) and also to chemical processes requiring low values of H2S. This new model is based on a multi-path flow cell of 1200 mm coupled to a high resolution spectrograph (0.1 nm) using an ultra-sensitive 2048 pixels CCD (charge-coupled device). It gives a high sensitivity and a longer lamp life time (3 years). The uv spectroscopy brings a higher sensitivity than Infra-red spectroscopy and also gives the possibility to measure several gases simultaneously on the same Spectrograph.
Product SpecificationModel Name/Number UniTOCBrand ImpactWeight 24 kgPower Requirements 110 - 230 V,50 Hz,70 to 105 WattMethod & detection UV oxidation & NDIRSample volume 20 mL loop (low range),5 mL loop (high range)Period of measurement 6 to 15 minMeasurement range 2 to 5000 ppb (low range),15 ppb to 20 ppm (high range)Detection accuracy 3 ppb or 2 %Ports 2 for samples | 1 for reagentRelated norms USP <643>,DIN 32645,EP 2.2.44,DIN EN 1484,CFR 21 part 11,IP 45Relative humidity 10 to 95 %Interface ports Analog (4 - 20 mA)Dimensions 400 x 300 x 600 mmInlet pressure < 1.5 barInlet pressure of gas Nitrogen: 1 to 1.5 bar,Oxygen: 3.5 to 5 barMaterial SSMaterial Grade SS 304Product DescriptionProduct Description:The uniTOC device uses the full oxidation by UV. The oxidation process can be enhanced with additional dosage of reagent (persulfate). By using the NDIR detector the uniTOC gives precise results in applications of ground water to ultrapure water. The NDIR detector is absolutely selective to carbon dioxide and therefore independent from conductivity and sample temperature. Measuring times are short and the continuous self-cleaning of the reactor avoids any cross-contamination.Since the quality of the stripped gas can be low, the use of pressurised air in combination with our air filters saves money and is optionally available.
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