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Carbon Measurement with IQ SENSOR NET Systems
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Carbon parameters:

TOC:
A measure for the total organically bound carbon

DOC:
Dissolved organic share of TOC

COD:
Contains all substances that can be solubilized by chemical oxidation. It is at the same time the conventional parameter for the calculation of wastewater charges

BOD:
Contains only the compounds that can be oxidated microbiologically

Online spectrometer probes

CarboVis®/NiCaVis® System

In-situ measurement – fast response
No consumables
No ecologically harmful chemicals

in-situ measurement of Nitrate, COD, TOC, DOC, BOD or SAC (254 nm): High quality spectral measurement in a waterproof version for direct process control
Highly precise spectral measurement in a 40 mm (1.57 in.) in diameter sensor. Determination of measured values by spectral processing of the scanned UV/VIS spectrum. The TSS result is generally used for internal compensation. As an option the TSS value can be displayed as second parameter.

Features in detail:

The sensor measures directly in the process medium. No sample transport, no sample preparation necessary.
No lag-time between sampling and result of the measurement. Current values immediately available.
Extremely precise measurement due to the spectral analysis of the scanned UV/VIS range.
Very effective compensation of interferences and turbidity based on the spectral information – much better than a simple dual-beam measurement!
Long operation periods by automatic air cleaning – almost maintenance-free.
Optical system works without consumables
-> low costs of ownership.

CarboVis® 700/5 IQ

Measuring Principle	Spectral measurement	in the UV/VIS range (200 - 750 nm)
Measuring Ranges in Standard Solution (potassium-hydrogenphtalate)	COD: TOC: SAC:	0.1 ... 800.0 mg/l 1 ... 500.0 mg/l 0.1 ... 600.0 1/m
Accuracy in Standard Solution	±3% of the measured value ±2.5 mg/l	(with Check algorithm)
Measuring Ranges TSS (Option)	Inlet: Effluent:	0 … 3000 mg/l TS 0.0 … 900.0 mg/l TS

CarboVis® 700/1 IQ

Measuring Principle	Spectral measurement	in the UV/VIS range (200 - 750 nm)
Measuring Ranges in Standard Solution (potassium-hydrogenphtalate)	COD: TOC: SAC:	0.5 … 4000.0 mg/l 5 … 2500.0 mg/l 0.5 … 3000.0 1/m
Accuracy in Standard Solution	±3% of the measured value ±2.5 mg/l	(with Check algorithm)
Measuring Ranges TSS (Option)	Inlet: Effluent:	0 … 15 g/l TS 0 … 4.5 g/l TS

NiCaVis® 700/5 IQ

Measuring Principle	Spectral measurement	in the UV/VIS range (200 - 750 nm)
Measuring Ranges in Standard Solution (potassium-hydrogenphtalate)	COD: TOC: SAC: NO₃-N:	0.1 ... 800.0 mg/l 1 ... 500.0 mg/l 0.1 ... 600.0 1/m 0.01 … 25.00 mg/l
Accuracy in Standard Solution	±3% of the measured value ±2.5 mg/l	(with Check algorithm)