ON-LINE TOC-VCSH

TOC Analyzer Combustion Catalytic Oxidation/NDIR Method Model

Measured items NPOC (TOC by IC subtraction using acid sparging), TC, IC, TOC (TC-IC), TN (optional TNM-1 required)
Measurement method 680°C combustion catalytic oxidation/NDIR method
720°C 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 5°C)
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

For Research Use Only. Not for use in diagnostic procedures.

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