Electro-Chemical Devices CA-6 UV spectroscopic analysers
The CA-6 UV range of spectroscopic analysers from Electro-Chemical Devices (ECD) can monitor any two selected parameters in separate measurement ranges for ammonia, nitrate or chemical oxygen demand (COD 254 nm).
CA-6 UV analysers provide an accurate, reliable and economical online sampling system to monitor harmful pollutant parameter levels. The analyser’s sensors are available in multiple parameter measurement ranges: ammonia from 0–10 mg/L or 0–1000 mg/L; nitrate from 0–30 mg/L, 0–100 mg/L, or 0–250 mg/L and COD 254 nm from 0–200 mg/L or 0–20,000 mg/L.
Each model is ordered precalibrated with either a single parameter or dual parameters. A technician can complete the installation in 15 minutes.
Each parameter is analysed based on the measurement of UV absorption in the sample according to Beer-Lambert’s Law. The absorbance of the solution or gas is measured through a quartz flow cell at a specific wavelength using a long-life Xenon lamp and photo detectors.
Accuracy is 5% for the measurement of ammonia, nitrate and COD, based on a sample temperature range of 0 to 80°C, but the sample must be liquid and not frozen. Repeatability varies based on the parameter chosen and the single or dual parameter configuration, ranging from 0.15 to 3%.
The CA-6 analyser is designed with four alarm relays. A single 4–20 mA analog output is included with 12-bit resolution. RS232 communications are provided for data download to a CSV file, with an optional RS485 Modbus communication module available.
Phone: 03 9017 8225
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