Rapid measurement of TOC with a wide measurement range every 4 seconds!
✓ Rapid measurement of TOC with a wide measurement range Measurement time: 4 seconds Response time: 3.25 minutes Measurement range: 0.20 ppb to 10 ppm ✓ Three models to choose from Lab type / Portable type / Online type ✓ Three measurement modes to choose from Online measurement / Grab measurement / Auto-sampler measurement
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basic information
Measurement principle: Wet UV oxidation + gas permeable membrane conductivity measurement method Measurement range: 0.2 ppb to 10 ppm TOC Accuracy: Within ± 3% Reproducibility: RSD below 2% Measurement time: 4 seconds Flow rate inside the analyzer: 1.1 mL/min Sample water flow rate: 50 mL/min or more Sample temperature: 5 to 95°C Sample water pressure: Up to 100 psig Interfering substances: Not affected by coexisting ions other than organic matter Calibration stability: Stable for typically 12 months Display digits: 3 digits
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Applications/Examples of results
- Electronics industry: Recovered water - Pharmaceuticals: Pharmaceutical water, cleaning validation - Diagnosis of pure water production equipment
Detailed information
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- Sievers' unique gas permeable membrane conductivity measurement method In the conductivity measurement method of the TOC analyzer, the conductivity indicated by the carbon dioxide (carbonate ions) produced after the oxidation and decomposition of organic matter is measured to calculate the carbon concentration. The Sievers M500e employs a "gas permeable membrane module," which uses a thin Teflon film to separate carbon dioxide from the sample water to the pure water line within the analyzer, enabling accurate TOC measurements by eliminating the influence of other ions.
Company information
Since our establishment in 1967, we have been committed to the development and dissemination of water quality measuring instruments that anyone can use quickly, easily, and with high precision. In today's world, where effective utilization of the limited resource of water is required alongside environmental conservation, we aim to be a total solution provider that responds to all water environments by leveraging our water quality measuring instruments, technology, and services. Additionally, we are dedicated to utilizing the latest technology and our years of expertise to deliver user-friendly and reliable water quality measuring instruments more affordably, quickly, and widely.
