Rapid measurement of TOC with a wide measurement range every 4 seconds!
✓ Rapid measurement of TOC over a wide measurement range Measurement time: 4 seconds Initial response time: 6 minutes (ICR off), 10 minutes (ICR on) 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 Inlet Flow Rate: 1.1 mL/min Sample Feed 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 substances 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 TOC measurement method for conductivity, the conductivity indicated by the carbon dioxide (carbonate ions) generated after the oxidation and decomposition of organic matter is measured to calculate the carbon concentration. The Sievers M500e enables accurate TOC measurement by using a "gas permeable membrane module," which separates carbon dioxide from the sample water into the pure water line within the analyzer through a thin Teflon film, thereby eliminating the influence of other ions.
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Company information
Since our establishment in 1967, we have been dedicated to the development and dissemination of water quality measurement devices that anyone can use quickly, easily, and with high precision. In today's world, where the effective use of water, a limited resource, is required alongside environmental conservation, we aim to be a total solution provider that responds to all water environments by utilizing our water quality measurement devices, technology, and services. Furthermore, leveraging the latest technology and years of know-how, we are committed to delivering user-friendly and reliable water quality measurement devices more affordably, quickly, and widely.