Thông số kỹ thuật:
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- Measurement item
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Total Nitrogen (TN)
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- Measurement method
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UV Absorption photometry
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- Measurement range
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0~100mg/L (Adjustable)
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- Wavelength
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220nm (275nm for compensation)
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- Measurement interval
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60 minutes (Adjustable)
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- Detection limit
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0.6mg/L F.S. or less
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- Accuracy
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±2% F.S.
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- Reproducibility
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±2% F.S.
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- Linearity
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±3% F.S.
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- Zero/Span drift
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±2% F.S.
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- Oxidation method
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120℃ persulfate thermal oxidation
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- Calibration
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Auto/manual calibration by standard solution
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- Sample/Reagent measuring method
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Step motor pulse control
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- Sample/Reagent distribution method
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7-port distribution control method (Fixed quantity injection with multi-channel valve system)
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- Operation system
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Windows 7 Pro
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- Output
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DC 4~20mA, RS-232C
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- Status display
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Normal operation, on calibration, error
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- Display
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Color LED 10.4″ (Touch screen)
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- Power
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AC 220V, 50/60Hz
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- Power consumption
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Average 150W（Maximum 450W）
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- Voltage regulation
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3% or less
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- Data storage capacity
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HDD 100G or more
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- Data output
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USB terminal
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- Enclosure/Size
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Steel, 1.5T (Except paint) / 645(W) × 439(D) × 1600(H) mm
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- Operating humidity
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RH 95% or less
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