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Combustion catalytic oxidation / NDIR method
The functionality for continuous automatic measurement has bee added to the ability of the combustion catalytic oxidation/NDIR TOC-V Series to perform high-performance, high sensitivity measurement of organic substances.
The On-line TOC-VCSH can be used for Continuous automatic high-sensitivity monitoring of water samples such as pure water and tap water.
Combines Combustion Catalytic Oxidation at 680°C and NDIR Method
Combustion catalytic oxidation at 680°C oxidizes even persistent or insoluble organic compounds. This method accurately measures any type of organic substance not affected by interfering substances or the sample properties such as pH or conductivity.
Easy Maintenance
Combustion catalytic oxidation at 680°C eliminates the need for oxidizing reagents, saving the tasks of procuring and preparing reagents. No special draining operations are needed.
Support Software for Pharmaceutical Water Management Applications
The On-line TOC-VCSH incorporates software for automatically performing tests specified by Japanese Pharmacopoeia (resolution test) and USP (system suitability test). Combining the On-line TOC-VCSH with an OCT-1 (optional) enables fully automatic testing; setting the reagent is all that is required.
Wide Variety of TOC Measurement Methods
NPOC, IC, TC and TOC (TC-IC) measurements are possible with the ON-LINE TOC-VCSH. TN measurement is also possible by adding an optional product. TOC and TN can be measured simultaneously.
Main Applications
- Management of pharmaceutical water
- Management of ultrapure and recycled water for the semiconductor industry
- Management of mains water
- l Impurity contamination management for all types of water used at plants (cooling water, recycled water, and boiler water)
| Measured items | NPOC (TOC by IC subtraction using acid sparging), TC, IC, TOC (TC-IC), TN (optional TNM-1 required) |
|---|---|
| Measurement method | 680ºC combustion catalytic oxidation/NDIR method 720ºC combustion catalytic oxidation/ chemiluminescence method (when TNM-1 is connected) |
| Measurement range | TC: 0-500 ìg/L to 0-25,000 mg/L variable IC: 0-500 ìg/L to 0-30,000 mg/L variable |
| Measurement cycle | Approx. 5 to 999 minutes (for NPOC measurement) |
| Number of measurement channels | 1 channel |
| Reproducibility | CV 1.5% max. |
| Linearity | ±2% F.S. max. |
| Zero stability | ±2% F.S. max. per day |
| Span stability | ±2% F.S. max. per day (ambient temperature fluctuations within 5ºC) |
| Calibration cycle | Variable in the range 1 to 999 hours |
| Sample injection method | Automatic injection using syringe pump/slider |
| Sample injection volume | Variable in the range 10 to 2,000 uL |
| Sample dilution function | Diluted in syringe; dilution factor: 2 to 50 |
| IC pretreatment | Automatic acidification and sparging |
| Carrier gas | High-purity air or oxygen (1 ppm max. of CO, CO2, or HC) High-purity nitrogen (1 ppm max. of CO, CO2, or HC) (when using optional nitrogen gas carrier kit) Supply pressure: Approx. 600 kPa Flow rate: 150 mL/min (230 mL/min with sparging) |
| Measurement value output | Analog output: Select from 4 to 20mA, 0 to 16mA (insulation, load resistance: 750Ù max.), and 0 to 1VDC RS-232C: Baud rate; 9,600 bps, Data length; 8 bits, Parity; none, Stop bits; 1 |
| Alarm output | Measurement value upper limit and upper upper limit alarms, system error alarm: No-voltage contact output (maximum: 5VA, 0.1A, 50V) |
| Control input | Remote stopping and starting of sample measurement and calibration |
| Sample conditions | Flow rate: Approx. 0.1 to 1 L/min Sample volume: 5 to 7 mL per measurement Temperature: 0 to 90ºC |
| Ambient temperature | 5 to 35ºC |
| Power supply | AC 100 – 127V ±10% MAX 800VA 50/60 Hz AC 200 – 240V ±10% MAX 1200VA 50/60 Hz |
| Dimensions | Approx. 440 (W) x 560 (D) x 460 (H) mm (excluding protrusions) |
| Weight | Approx. 40 kg |
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